Shields Brewster Abernathy, M.D.
Allergy & Immunology (Internal Medicine) Physician · Templeton, CA
Shields Brewster Abernathy, M.D. is an allergy & immunology (internal medicine) physician with a practice address in Templeton, California, and NPI 1508886235, issued on Jul 19, 2006. Check the license (California G42752, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Shields Brewster Abernathy
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology (Internal Medicine) Physician 207RA0201X
- License number
- G42752 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1050 Las Tablas RD, Templeton, CA 93465
- Phone
- (805) 434-1000
- Enumerated
- Jul 19, 2006
- Record last updated
- Mar 21, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (805) 434-3265
- Medicaid ID
- 00G427520 CA
- Entity
- Type 1 · individual
8 nearest allergy & immunology (internal medicine) physician records → All 81 in California → Look up another NPI →
Also registered at 1050 Las Tablas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Shields Brewster Abernathy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G42752Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average allergy & immunology (internal medicine) physician in 2024
69 Medicare Part D claims, against an average of 789 among the 429 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Shields Brewster Abernathy among 81 allergy & immunology (internal medicine) physician records in California
Shields Brewster Abernathy, M.D. is one of 81 allergy & immunology (internal medicine) physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 68% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2017 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology (Internal Medicine) Physician providers in California
There are 81 allergy & immunology (internal medicine) physician records in California.
All 81 in California → Every provider in Templeton → Allergy & Immunology (Internal Medicine) Physician nationwide →
The 8 allergy & immunology (internal medicine) physician records with the nearest ZIP codes
- Lawrence Awai, M.D.Clovis, CA 936191629510235
- Belle Peralejo, M.D.Fresno, CA 937201104031327
- Liza Presser Belkin, M.D.Santa Barbara, CA 931111982709036
- Osman Numair, MDSalinas, CA 939011073900106
- Frederick GuilfordLos Altos, CA 940221548345770
- Joseph Nguyen, MDOrange, CA 928681225217425
- Monica TsaiOrange, CA 928681598176497
- Brian Lipson, M.D.Rewood City, CA 940631821179391
Common questions
What is Shields Brewster Abernathy, M.D.'s NPI number?
Shields Brewster Abernathy, M.D.'s National Provider Identifier (NPI) is 1508886235, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shields Brewster Abernathy, M.D. located?
The NPPES record lists a practice address at 1050 Las Tablas RD, Templeton, CA, 93465. Phone: (805) 434-1000. Providers update this record themselves, so call before visiting.
How can I verify Shields Brewster Abernathy, M.D.'s license?
NPPES lists California license number G42752, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Shields Brewster Abernathy, M.D. prescribe under Medicare Part D?
In 2024, Shields Brewster Abernathy, M.D. had 69 Medicare Part D claims; the average among allergy & immunology (internal medicine) physician prescribers was 789. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.