Dr Wasim H Raja, MD - Medicare Hospitalist in Fountain Valley, CA

Dr Wasim H Raja, MD is a medicare enrolled "Internal Medicine" physician in Fountain Valley, California. He graduated from medical school in 1998 and has 26 years of diverse experience with area of expertise as Hospitalist. He is a member of the group practice Hospitalist Medicine Physicians Of California Inc, South Sound Inpatient Physicians Pllc and his current practice location is 11100 Warner Ave Ste 110, Fountain Valley, California. You can reach out to his office (for appointments etc.) via phone at (714) 486-3477.

Dr Wasim H Raja is licensed to practice in California (license number A110055) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1205022084.

Contact Information

Dr Wasim H Raja, MD
11100 Warner Ave Ste 110,
Fountain Valley, CA 92708-7500
(714) 486-3477
(833) 334-0495

Map and Direction




Physician's Profile

Full NameDr Wasim H Raja
GenderMale
SpecialityHospitalist
Experience26 Years
Location11100 Warner Ave Ste 110, Fountain Valley, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Wasim H Raja graduated from medical school in 1998
  NPI Data:
  • NPI Number: 1205022084
  • Provider Enumeration Date: 09/14/2007
  • Last Update Date: 12/18/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 6507952074
  • Enrollment ID: I20110623000432

Medical Identifiers

Medical identifiers for Dr Wasim H Raja such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1205022084NPI-NPPES
A110055MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 110055 (California)Secondary
207R00000XInternal Medicine 24295 (Nebraska)Secondary
207R00000XInternal Medicine S5744 (Texas)Secondary
207R00000XInternal Medicine 25MA10681000 (New Jersey)Secondary
207R00000XInternal Medicine DR.0062832 (Colorado)Secondary
207R00000XInternal Medicine MD61157145 (Washington)Secondary
208M00000XHospitalist DR.0062832 (Colorado)Secondary
207R00000XInternal Medicine A110055 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Whidbeyhealth Medical CenterCoupeville, WAHospital

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Wasim H Raja allows following entities to bill medicare on his behalf.
Entity NameHospitalist Medicine Physicians Of California Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1184663965
PECOS PAC ID: 8426062027
Enrollment ID: O20060202000956
Entity NameSutter Valley Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669846986
PECOS PAC ID: 9830094515
Enrollment ID: O20090311000335
Entity NameInpatient Specialists Of California Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952792475
PECOS PAC ID: 3476864448
Enrollment ID: O20150617000915
Entity NameWasim H Raja Md
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083257968
PECOS PAC ID: 2163858051
Enrollment ID: O20200213001053
Entity NameHospitalist Medicine Physicians Of California - Fremont, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1144708777
PECOS PAC ID: 2264863349
Enrollment ID: O20200505000289

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Wasim H Raja is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Wasim H Raja, MD
11100 Warner Ave Ste 110,
Fountain Valley, CA 92708-7500

Ph: (714) 486-3477
Dr Wasim H Raja, MD
11100 Warner Ave Ste 110,
Fountain Valley, CA 92708-7500

Ph: (714) 486-3477

Reviews and Comments


Internal Medicine Doctors in Fountain Valley, CA

Dr. Kristine Suzanne Olson Arthur, MD
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Practice Location: 11420 Warner Ave, Fountain Valley, CA 92708
Phone: 714-549-1300    Fax: 714-433-3100
Dr. Sajeet Singh Sawhney, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 11100 Warner Ave, Suite 218, Fountain Valley, CA 92708
Phone: 714-641-9696    Fax: 714-641-9696
Dr. Jennifer L Wong, M.D.
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Practice Location: 18111 Brookhurst St Ste 5100, Fountain Valley, CA 92708
Phone: 714-546-2238    Fax: 714-434-8145
Dr. Sithu Lin, M.D.
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Medicare: Medicare Enrolled
Practice Location: 11100 Warner Ave Ste 218, Fountain Valley, CA 92708
Phone: 714-641-9696    
Kien-an Duong, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 11420 Warner Ave, Fountain Valley, CA 92708
Phone: 714-549-1300    Fax: 714-433-3100
Mr. Satinder Swaroop, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 11180 Warner Ave, Suite #353, Fountain Valley, CA 92708
Phone: 714-751-3540    Fax: 714-751-5626
Yu-ming Ni, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 18111 Brookhurst St Ste 5100, Fountain Valley, CA 92708
Phone: 714-546-2238    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.