Stephen Frederick Gregorius, M.D.
Orthopaedic Surgery Physician · Salinas, CA
Stephen Frederick Gregorius, M.D. is an orthopaedic surgery physician with a practice address in Salinas, California, and NPI 1760660062, issued on Feb 8, 2008. Check the license (California A100715, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephen Frederick Gregorius
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- A100715 CA
Self-reported in NPPES; status is on the state search - Practice location
- 611 Abbott St Ste 101, Salinas, CA 93901
- Phone
- (831) 757-3041
- Enumerated
- Feb 8, 2008
- Record last updated
- Feb 20, 2024
- Medicare enrollment
- Enrolled (PECOS I20220727003163); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2006
- Entity
- Type 1 · individual
Also registered at 611 Abbott St Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Anthony, P.A.Surgical Physician Assistant1841365202
- John BonanoOrthopaedic Surgery Physician1457884116
- Colleen CampbellPhysician Assistant1336676956
- Albert Doornik, MDSports Medicine (Orthopaedic Surgery) Physician1912933953
- Thomas Doverspike, PA-CPhysician Assistant1982522785
- Thomas German, M DOrthopaedic Surgery Physician1710050182
Verify Stephen Frederick Gregorius in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A100715Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
49 Medicare Part D claims for 32 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 23 claims were for opioids.
Most prescribed
- Meloxicam15 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.
Industry payments in 2024: $109.54
1 payment: food and beverage; the largest payer was Stryker Corporation. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Kalispell Regional Medical Center IncKalispell, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Orthopaedic Surgery Physician providers in California
There are 2,276 orthopaedic surgery physician records in California.
Other orthopaedic surgery physician records in California
- Karim Abdollahi, M.D.Laguna Beach, CA1942240403
- Michael Abdulian, MDGlendale, CA1649469628
- Hussein Abdulrassoul, MDRiverside, CA1972123891
- Douglas Abeles, MDCastro Valley, CA1508961582
- Anthony Abene, MDSan Jose, CA1457437964
- Torgom Abraamyan, M.D.Van Nuys, CA1013370410
- Monther AbuhantashSan Francisco, CA1447041512
- Joshua Acebo, MDPalo Alto, CA1396373734
- Daniel Acevedo, M.D.Thousand Oaks, CA1184856122
- John Adams, MDLos Angeles, CA1215914114
Common questions
What is Stephen Frederick Gregorius, M.D.'s NPI number?
Stephen Frederick Gregorius, M.D.'s National Provider Identifier (NPI) is 1760660062, issued on Feb 8, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Frederick Gregorius, M.D. located?
The NPPES record lists a practice address at 611 Abbott St Ste 101, Salinas, CA, 93901. Phone: (831) 757-3041. Providers update this record themselves, so call before visiting.
How can I verify Stephen Frederick Gregorius, M.D.'s license?
NPPES lists California license number A100715, 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 Stephen Frederick Gregorius, M.D. prescribe under Medicare Part D?
In 2024, Stephen Frederick Gregorius, M.D. had 49 Medicare Part D claims for 32 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.