Gregory E. Shinkwin, D.D.S. , M.S.
Endodontics · Modesto, CA
Gregory E. Shinkwin, D.D.S. , M.S. is an endodontics with a practice address in Modesto, California, and NPI 1255547204, issued on May 15, 2007. Check the license (California 35779, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory E. Shinkwin
- Credential
- D.D.S. , M.S.
- Primary taxonomy
- Endodontics 1223E0200X
- License number
- 35779 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1601 Mchenry Village Way, Modesto, CA 95350
- Phone
- (209) 524-9950
- Enumerated
- May 15, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (209) 524-9954
- Entity
- Type 1 · individual
8 nearest endodontics records → All 1,018 in California → Look up another NPI →
Also registered at 1601 Mchenry Village Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Fitzpatrick, DDSGeneral Practice Dentistry1811065527
- Raminder Pandher, D.M.D.General Practice Dentistry1912047259
Verify Gregory E. Shinkwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 35779Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average endodontics in 2024
100 Medicare Part D claims for 82 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin69 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.
Gregory E. Shinkwin among 1,018 endodontics records in California
Gregory E. Shinkwin, D.D.S. , M.S. is one of 1,018 endodontics records with a practice address in California. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 27% of them.
- NPI issued2007 · 27% of these records are older, 42% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endodontics providers in California
There are 1,018 endodontics records in California.
All 1,018 in California → Every provider in Modesto → Endodontics nationwide →
The 8 endodontics records with the nearest ZIP codes
- Christina Lee Zertuche, DDSModesto, CA 953501346520046
- Marty Lipsey, D.D.S., M.S.Modesto, CA 953501700889706
- Matthew Rowan, D.D.S., M.S.D.Merced, CA 953481013054188
- Ramneek Batth, DMDModesto, CA 953551619463312
- Vikram Brar, DDS,MSDModesto, CA 953551760663413
- Yujie Huang, DDS, PHDModesto, CA 953561801463708
- Yung-Ming Kang, DDS CAGS DSCDModesto, CA 953561518160043
- Ahmad Alnatour, DDSManteca, CA 953371578795126
Common questions
What is Gregory E. Shinkwin, D.D.S. , M.S.'s NPI number?
Gregory E. Shinkwin, D.D.S. , M.S.'s National Provider Identifier (NPI) is 1255547204, issued on May 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory E. Shinkwin, D.D.S. , M.S. located?
The NPPES record lists a practice address at 1601 Mchenry Village Way, Modesto, CA, 95350. Phone: (209) 524-9950. Providers update this record themselves, so call before visiting.
How can I verify Gregory E. Shinkwin, D.D.S. , M.S.'s license?
NPPES lists California license number 35779, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory E. Shinkwin, D.D.S. , M.S. prescribe under Medicare Part D?
In 2024, Gregory E. Shinkwin, D.D.S. , M.S. had 100 Medicare Part D claims for 82 beneficiaries; the average among endodontics prescribers was 121. 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.