Gregory Shinaman
Pain Medicine (Physical Medicine & Rehabilitation) Physician · Sacramento, CA
Gregory Shinaman is a pain medicine (physical medicine & rehabilitation) physician with a practice address in Sacramento, California, and NPI 1922749860, issued on Apr 5, 2022. Check the license (California A206693, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregory Shinaman
- Primary taxonomy
- Pain Medicine (Physical Medicine & Rehabilitation) Physician 2081P2900X
- License number
- A206693 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4860 Y St Ste 3020, Sacramento, CA 95817
- Phone
- (916) 734-1574
- Enumerated
- Apr 5, 2022
- Record last updated
- Jul 26, 2026
- Fax
- (916) 734-2975
- Entity
- Type 1 · individual
8 nearest pain medicine (physical medicine & rehabilitation) physician records → All 290 in California → Look up another NPI →
Also registered at 4860 Y St Ste 3020
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adam Betcher, MDPhysical Medicine & Rehabilitation Physician1740924976
- Charles De Mesa, D.O.Anesthesiology Physician1396064408
- Wassim Hmeidan, MDNeurology Physician1306595194
- Michael Jung, M.D., M.B.A.Pain Medicine (Anesthesiology) Physician1295125995
- Ayaz Khan, MDPhysical Medicine & Rehabilitation Physician1619438603
- Barbara Kozminski, MDPhysical Medicine & Rehabilitation Physician1972155570
Verify Gregory Shinaman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A206693Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average pain medicine (physical medicine & rehabilitation) physician in 2024
115 Medicare Part D claims for 32 beneficiaries, against an average of 1,479 among the 1,457 providers of this specialty who prescribed in Part D.
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.
Gregory Shinaman among 290 pain medicine (physical medicine & rehabilitation) physician records in California
Gregory Shinaman is one of 290 pain medicine (physical medicine & rehabilitation) physician records with a practice address in California. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 99% of them.
- NPI issued2022 · 99% of these records are older, 0% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2026 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2081P2900X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Physical Medicine & Rehabilitation) Physician providers in California
There are 290 pain medicine (physical medicine & rehabilitation) physician records in California.
All 290 in California → Every provider in Sacramento → Pain Medicine (Physical Medicine & Rehabilitation) Physician nationwide →
The 8 pain medicine (physical medicine & rehabilitation) physician records with the nearest ZIP codes
- Christopher Lee, DOSacramento, CA 958171508489501
- Kevin Nasre, DOSacramento, CA 958171043833841
- Duke Shen, DO, MENGSacramento, CA 958171275279770
- Hunter Vincent, DOSacramento, CA 958171538514153
- Elizabeth Giles, M.D.Sacramento, CA 958161598024960
- Merna Naji, MDSacramento, CA 958161003471509
- Margaret Portwood, MDSacramento, CA 958161508849084
- Sameer Sharma, M.D.Sacramento, CA 958161366734071
Common questions
What is Gregory Shinaman's NPI number?
Gregory Shinaman's National Provider Identifier (NPI) is 1922749860, issued on Apr 5, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Shinaman located?
The NPPES record lists a practice address at 4860 Y St Ste 3020, Sacramento, CA, 95817. Phone: (916) 734-1574. Providers update this record themselves, so call before visiting.
How can I verify Gregory Shinaman's license?
NPPES lists California license number A206693, 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 Gregory Shinaman prescribe under Medicare Part D?
In 2024, Gregory Shinaman had 115 Medicare Part D claims for 32 beneficiaries; the average among pain medicine (physical medicine & rehabilitation) physician prescribers was 1,479. 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.