NPPES file of Aug 9, 2026

Michael Stephen Green, M.D.

Obstetrics & Gynecology Physician · Oxnard, CA

Michael Stephen Green, M.D. is an obstetrics & gynecology physician with a practice address in Oxnard, California, and NPI 1780631002, issued on May 30, 2006. Check the license (California G80363, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780631002
Name
Michael Stephen Green
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
G80363 CA
Self-reported in NPPES; status is on the state search
Practice location
2361 E Vineyard Ave, Oxnard, CA 93036
Phone
(805) 981-3770
Enumerated
May 30, 2006
Record last updated
Oct 6, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(805) 981-3767
Medicaid IDs
RHM08608F CA
RHM08609F CA
RHM18553H CA
ZZT40394F CA
Medicare enrollment
Enrolled (PECOS I20050608000363); accepts Medicare assignment
Medical or professional school
Saint Louis University School Of Medicine, 1993
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 2361 E Vineyard Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Wendy AmaroDiabetes Educator Registered Nurse1396346748
  2. Cristina Armijo, M.D.Pediatrics Physician1710931258
  3. Elisabeth Barbosa, M.D.Otolaryngology Physician1972600260
  4. Paul Cisarik, MDInternal Medicine Physician1952515421
  5. Ming Heng, M.D.Internal Medicine Physician1780638460
  6. Arantxa Medina-AlegriaRegistered Dietitian1922858190

Verify Michael Stephen Green in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G80363
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

79% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

35 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Michael Green35
  2. Specialty average165

Most prescribed

  1. Dotti12 claims
  2. Progesterone12 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: $80,648.86

142 payments; by number, the most common kind was compensation for serving as faculty or as a speaker for a medical education program; the largest payer was Organon Llc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Green$80,649
  2. Specialty average$1,031

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

  1. San Bernardino Mountains Community Hospital DistrictLake Arrowhead, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Obstetrics & Gynecology Physician providers in California

There are 5,088 obstetrics & gynecology physician records in California.

Other obstetrics & gynecology physician records in California

  1. Ingrid Aalami, MDSan Jose, CA1952376550
  2. Avisa Abaian- Eagar, M.D.Orange, CA1316057755
  3. Derek Abbassi, MDWalnut Creek, CA1841364155
  4. Ahmed Abdelaziz, MDSanta Maria, CA1790039733
  5. Alireza Abdollah Shamshirsaz, M.D.Palo Alto, CA1881804235
  6. Nicole Abell, DOVentura, CA1811243603
  7. Zachary AbelsonLos Angeles, CA1689237414
  8. Ray Abinader, M.D.Loma Linda, CA1770901548
  9. Tarek Abou El Kheir, M.D.San Bernardino, CA1477521789
  10. Nada Abou-HaibaLos Angeles, CA1134067549

Common questions

What is Michael Stephen Green, M.D.'s NPI number?

Michael Stephen Green, M.D.'s National Provider Identifier (NPI) is 1780631002, issued on May 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Stephen Green, M.D. located?

The NPPES record lists a practice address at 2361 E Vineyard Ave, Oxnard, CA, 93036. Phone: (805) 981-3770. Providers update this record themselves, so call before visiting.

How can I verify Michael Stephen Green, M.D.'s license?

NPPES lists California license number G80363, 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 Michael Stephen Green, M.D. prescribe under Medicare Part D?

In 2024, Michael Stephen Green, M.D. had 35 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. 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.