James Angelo Sharkoff, M.D.
Internal Medicine Physician · Stanton, CA
James Angelo Sharkoff, M.D. is an internal medicine physician with a practice address in Stanton, California, and NPI 1891893061, issued on Sep 20, 2006. Check the license (California A66728, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James Angelo Sharkoff
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A66728 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8045 Cerritos Ave, Stanton, CA 90680
- Phone
- (714) 828-2444
- Enumerated
- Sep 20, 2006
- Record last updated
- Apr 3, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (714) 816-0529
- Medicaid ID
- 00A66728 CA
- Medicare enrollment
- Enrolled (PECOS I20120301000462); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 1995
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 8045 Cerritos Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Donald Sharkoff, M.D.Family Medicine Physician1316048226
Verify James Angelo Sharkoff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A66728Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,957 Medicare Part D claims for 287 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 12 claims were for opioids.
Most prescribed
- Lisinopril261 claims
- Metformin Hcl187 claims
- Hydrochlorothiazide153 claims
- Atorvastatin Calcium142 claims
- Losartan Potassium134 claims
- Amlodipine Besylate124 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.
Bills Medicare through one group practice
- Chest And Critical Care Consultants A Medical GroupTustin, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Angelo Sharkoff among 17,696 internal medicine physician records in California
James Angelo Sharkoff, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1995 · median 2004 among the 11,065 with a school on file
- Record last updated2017 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Stanton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Dane Copeland, M.D.Santa Fe Springs, CA 906701356409726
- Parveen Ahmed, M.D.Pico Rivera, CA 906601669480745
- David Ding, MDPico Rivera, CA 906601144583758
- Gemma Ko, M.D.Pico Rivera, CA 906601437167715
- Lam Nguyen, M.D.Pico Rivera, CA 906601538594122
- Khalid Nur, M.D.Pico Rivera, CA 906601235147521
- Dagmara Olsen, MDPico Rivera, CA 906601356912059
- Manmohan Chawla, M.D.Artesia, CA 907011932375623
Common questions
What is James Angelo Sharkoff, M.D.'s NPI number?
James Angelo Sharkoff, M.D.'s National Provider Identifier (NPI) is 1891893061, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Angelo Sharkoff, M.D. located?
The NPPES record lists a practice address at 8045 Cerritos Ave, Stanton, CA, 90680. Phone: (714) 828-2444. Providers update this record themselves, so call before visiting.
How can I verify James Angelo Sharkoff, M.D.'s license?
NPPES lists California license number A66728, 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 James Angelo Sharkoff, M.D. prescribe under Medicare Part D?
In 2024, James Angelo Sharkoff, M.D. had 2,957 Medicare Part D claims for 287 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.