David Kenneth Trefflich, MD - Medicare Internal Medicine in Santa Maria, CA

David Kenneth Trefflich, MD is a medicare enrolled "Internal Medicine" physician in Santa Maria, California. He went to University Of California, Irvine, California College Of Medicine and graduated in 2013 and has 11 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Community Health Centers Of The Central Coast Inc and his current practice location is 430 S Blosser Rd, Santa Maria, California. You can reach out to his office (for appointments etc.) via phone at (805) 361-8900.

David Kenneth Trefflich is licensed to practice in California (license number A170337) 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 1861836942.

Contact Information

David Kenneth Trefflich, MD
430 S Blosser Rd,
Santa Maria, CA 93458-4908
(805) 361-8900
(805) 361-8990

Map and Direction




Physician's Profile

Full NameDavid Kenneth Trefflich
GenderMale
SpecialityInternal Medicine
Experience11 Years
Location430 S Blosser Rd, Santa Maria, 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:
  • David Kenneth Trefflich attended and graduated from University Of California, Irvine, California College Of Medicine in 2013
  NPI Data:
  • NPI Number: 1861836942
  • Provider Enumeration Date: 04/19/2013
  • Last Update Date: 10/28/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 7810125325
  • Enrollment ID: I20201030000924

Medical Identifiers

Medical identifiers for David Kenneth Trefflich such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1861836942NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A170337 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Dignity Health Home HealthSanta maria, CAHome health agency
Marian Regional Medical CenterSanta maria, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Community Health Centers Of The Central Coast Inc741686812055

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. David Kenneth Trefflich allows following entities to bill medicare on his behalf.
Entity NameCommunity Health Centers Of The Central Coast Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1336166248
PECOS PAC ID: 7416868120
Enrollment ID: O20040115001161

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. David Kenneth Trefflich 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
David Kenneth Trefflich, MD
2050 S Blosser Rd,
Santa Maria, CA 93458-7310

Ph: (805) 361-8030
David Kenneth Trefflich, MD
430 S Blosser Rd,
Santa Maria, CA 93458-4908

Ph: (805) 361-8900

Reviews and Comments


Internal Medicine Doctors in Santa Maria, CA

Dr. Paul A Lussier, D.O.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 117 W Bunny Ave, Santa Maria, CA 93458
Phone: 805-739-3890    Fax: 805-347-7697
Mr. Muthiyaliah Babu, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 1401 E Main St, Santa Maria, CA 93454
Phone: 805-349-0198    Fax: 805-349-9004
Wei Bai, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1325 E Church St Ste 301, Santa Maria, CA 93454
Phone: 805-349-9393    Fax: 805-349-1155
Dr. Siri Atma Singh Khalsa, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1400 E Church St, Santa Maria, CA 93454
Phone: 805-739-3215    
Dr. Barry Steven Feldman, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1400 E Church St, Santa Maria, CA 93454
Phone: 805-739-3000    Fax: 970-667-0847
Dr. Jose Jumil Yongco, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2115 Centerpointe Pkwy, Santa Maria, CA 93455
Phone: 805-346-7230    Fax: 805-346-7272
Dr. Eric William Jahnke Sr., MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 361 Town Center West Suite 101, Santa Maria, CA 93458
Phone: 805-922-6581    Fax: 805-922-7052

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.