Monica Guma, MD, PHD - Medicare Rheumatology in La Jolla, CA

Monica Guma, MD, PHD is a medicare enrolled "Internal Medicine - Rheumatology" physician in La Jolla, California. She graduated from medical school in 1996 and has 28 years of diverse experience with area of expertise as Rheumatology. She is a member of the group practice Regents Of The University Of California and her current practice location is 9500 Gilman Drive, La Jolla, California. You can reach out to her office (for appointments etc.) via phone at (858) 642-3247.

Monica Guma is licensed to practice in California (license number A126993) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1346522141.

Contact Information

Monica Guma, MD, PHD
9500 Gilman Drive,
La Jolla, CA 92093
(858) 642-3247
(858) 552-7425

Map and Direction




Physician's Profile

Full NameMonica Guma
GenderFemale
SpecialityRheumatology
Experience28 Years
Location9500 Gilman Drive, La Jolla, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Monica Guma graduated from medical school in 1996
  NPI Data:
  • NPI Number: 1346522141
  • Provider Enumeration Date: 09/16/2011
  • Last Update Date: 05/07/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 8426288531
  • Enrollment ID: I20140310001906

Medical Identifiers

Medical identifiers for Monica Guma such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1346522141NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology A126993 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Uc San Diego Health Hillcrest - Hillcrest Med CtrSan diego, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Regents Of The University Of California35774767611712

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. Monica Guma allows following entities to bill medicare on her behalf.
Entity NameRegents Of The University Of California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376646869
PECOS PAC ID: 3577476761
Enrollment ID: O20031112000695

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. Monica Guma 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
Monica Guma, MD, PHD
Po Box 232410,
San Diego, CA 92193-2410

Ph: () -
Monica Guma, MD, PHD
9500 Gilman Drive,
La Jolla, CA 92093

Ph: (858) 642-3247

Reviews and Comments


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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).

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