Sharon Isabelle Martinez, PA
Physician Assistant · Montclair, CA
Sharon Isabelle Martinez, PA is a physician assistant with a practice address in Montclair, California, and NPI 1528681368, issued on May 27, 2020. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sharon Isabelle Martinez
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 5050 San Bernardino St, Montclair, CA 91763
- Phone
- (909) 281-5800
- Enumerated
- May 27, 2020
- Record last updated
- Mar 22, 2022
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 5050 San Bernardino St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sharon Isabelle Martinez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average physician assistant in 2024
357 Medicare Part D claims for 65 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Amlodipine Besylate21 claims
- Atorvastatin Calcium18 claims
- Albuterol Sulfate Hfa17 claims
- Gabapentin14 claims
- Losartan Potassium12 claims
- Levothyroxine Sodium11 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.
Sharon Isabelle Martinez among 14,451 physician assistant records in California
Sharon Isabelle Martinez, PA is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 62% of them.
- NPI issued2020 · 62% of these records are older, 33% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2022 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 physician assistant records list a practice address in Montclair
They are 15 of the 1,301 NPPES records with a practice address in Montclair, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Montclair → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Danielle Barrett, PA-CMontclair, CA 917631467821363
- Janice BaughmanMontclair, CA 917631548926066
- Krystal CamachoMontclair, CA 917631649981721
- Kyungsoo Go, PA-CMontclair, CA 917631720514466
- Manjot Hundal, PA-CMontclair, CA 917631992301832
- Michelle Matyseck, PAMontclair, CA 917631093115941
- Daniel McCulloughMontclair, CA 917631992259071
- Lindsay Murphy, P.A-CMontclair, CA 917631700169547
Common questions
What is Sharon Isabelle Martinez, PA's NPI number?
Sharon Isabelle Martinez, PA's National Provider Identifier (NPI) is 1528681368, issued on May 27, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Sharon Isabelle Martinez, PA located?
The NPPES record lists a practice address at 5050 San Bernardino St, Montclair, CA, 91763. Phone: (909) 281-5800. Providers update this record themselves, so call before visiting.
How can I verify Sharon Isabelle Martinez, PA's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Sharon Isabelle Martinez, PA prescribe under Medicare Part D?
In 2024, Sharon Isabelle Martinez, PA had 357 Medicare Part D claims for 65 beneficiaries; the average among physician assistant prescribers was 830. 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.