Nancy Andes Towbin, MD
Gynecology Physician · Yorba Linda, CA
Nancy Andes Towbin, MD is a gynecology physician with a practice address in Yorba Linda, California, and NPI 1235233222, issued on Sep 11, 2006. Check the license (California G74730, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nancy Andes Towbin
- Credential
- MD
- Primary taxonomy
- Gynecology Physician 207VG0400X
- License number
- G74730 CA
Self-reported in NPPES; status is on the state search - Practice location
- 16671 Yorba Linda Blvd, Yorba Linda, CA 92886
- Phone
- (714) 447-4800
- Enumerated
- Sep 11, 2006
- Record last updated
- Aug 11, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (714) 447-1098
- Medicare enrollment
- Enrolled (PECOS I20040309000792); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gynecology physician records → All 369 in California → Look up another NPI →
Also registered at 16671 Yorba Linda Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Keith Martin, M.D.Gastroenterology Physician1649280546
Verify Nancy Andes Towbin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G74730Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10.2 times the Medicare Part D claims of the average gynecology physician in 2024
3,055 Medicare Part D claims for 490 beneficiaries, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Estradiol337 claims
- Progesterone336 claims
- Estradiol (Twice Weekly)291 claims
- Zolpidem Tartrate163 claims
- Rosuvastatin Calcium159 claims
- Levothyroxine Sodium109 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): 83.6 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: $36.84
1 payment: food and beverage; the largest payer was Hologic Sales and Service, LLC. The 1,398 providers of this specialty with any payment received $2,469.88 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 2 group practices
- Regents OF The University OF CaliforniaOrange, CA
- Regents OF The University OF CaliforniaOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy Andes Towbin among 369 gynecology physician records in California
Nancy Andes Towbin, MD is one of 369 gynecology physician records with a practice address in California. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 40% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated1991 · median 1995 among the 141 with a school on file
- Record last updated2016 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VG0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecology Physician providers in California
There are 369 gynecology physician records in California.
All 369 in California → Every provider in Yorba Linda → Gynecology Physician nationwide →
The 8 gynecology physician records with the nearest ZIP codes
- Leita Harris, MDCorona, CA 928811114118023
- Nathaniel Denicola, MDOrange, CA 928681225205651
- Karen Noblett, MDOrange, CA 928681821178096
- Naghmeh Salamat-Saberi, MDOrange, CA 928681558441709
- Jennefer Russo, M.D.Orange, CA 928661023033081
- Richard Goldman, MDVilla Park, CA 928611558594994
- Ban Doan, M.DGarden Grove, CA 928441346201696
- Jongsook Park, MDGarden Grove, CA 928431821052630
Common questions
What is Nancy Andes Towbin, MD's NPI number?
Nancy Andes Towbin, MD's National Provider Identifier (NPI) is 1235233222, issued on Sep 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Andes Towbin, MD located?
The NPPES record lists a practice address at 16671 Yorba Linda Blvd, Yorba Linda, CA, 92886. Phone: (714) 447-4800. Providers update this record themselves, so call before visiting.
How can I verify Nancy Andes Towbin, MD's license?
NPPES lists California license number G74730, 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 Nancy Andes Towbin, MD prescribe under Medicare Part D?
In 2024, Nancy Andes Towbin, MD had 3,055 Medicare Part D claims for 490 beneficiaries; the average among gynecology physician prescribers was 299. Part D covers Medicare prescriptions only.
What is Nancy Andes Towbin, MD's MIPS final score?
The 2023 MIPS final score is 83.6 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.