Vinita Jain Speir, M.D.
Obstetrics & Gynecology Physician · Newport Beach, CA
Vinita Jain Speir, M.D. is an obstetrics & gynecology physician with a practice address in Newport Beach, California, and NPI 1558542837, issued on Nov 15, 2007. Check the license (California A98823, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Vinita Jain Speir
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A98823 CA
Self-reported in NPPES; status is on the state search - Practice location
- 500 Superior Ave, Newport Beach, CA 92663
- Phone
- (949) 644-2722
- Enumerated
- Nov 15, 2007
- Record last updated
- Jun 24, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (949) 760-5438
- Medicare enrollment
- Enrolled (PECOS I20090901000623); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 500 Superior Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aaron Ahearn, MD-PHDTransplant Surgery Physician1588839997
- Angela Bohning, RNPObstetrics & Gynecology Nurse Practitioner1285001743
- Stephanie ChenAdult Health Nurse Practitioner1780317073
- Chelsea HonrathRegistered Dietitian1376005504
- Dennis Jordanides, M.D.Internal Medicine Physician1285638031
- Nisha Joseph, FNP-BCFamily Nurse Practitioner1548930274
Verify Vinita Jain Speir in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A98823Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
255 Medicare Part D claims for 64 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Progesterone60 claims
- Estradiol56 claims
- Estradiol (Twice Weekly)24 claims
- Premarin19 claims
- Yuvafem14 claims
- Venlafaxine Hcl Er11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $156.90
5 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. 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.
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
- Hoag ClinicNewport Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Vinita Jain Speir among 5,088 obstetrics & gynecology physician records in California
Vinita Jain Speir, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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 48% of them.
- NPI issued2007 · 48% of these records are older, 38% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2005 · median 2004 among the 2,700 with a school on file
- Record last updated2015 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Newport Beach → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Richard Agnew, MD OB GYNNewport Beach, CA 926631629089206
- William Clayton, MDNewport Beach, CA 926631366525586
- Bernard Feldman, M.DNewport Beach, CA 926631558380048
- Rhonda Flora, M.D.Newport Beach, CA 926631720160583
- Deborah Grouse, MDNewport Beach, CA 926631669408076
- Chai-Lin Hsu, M.D.Newport Beach, CA 926631336191386
- Lisa Karamardian, M.D.Newport Beach, CA 926631922053644
- Patricia Keresztes-Korber, M.DNewport Beach, CA 926631780616805
Common questions
What is Vinita Jain Speir, M.D.'s NPI number?
Vinita Jain Speir, M.D.'s National Provider Identifier (NPI) is 1558542837, issued on Nov 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Vinita Jain Speir, M.D. located?
The NPPES record lists a practice address at 500 Superior Ave, Newport Beach, CA, 92663. Phone: (949) 644-2722. Providers update this record themselves, so call before visiting.
How can I verify Vinita Jain Speir, M.D.'s license?
NPPES lists California license number A98823, 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 Vinita Jain Speir, M.D. prescribe under Medicare Part D?
In 2024, Vinita Jain Speir, M.D. had 255 Medicare Part D claims for 64 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Vinita Jain Speir, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.