Nadine Barbara Hanna, M.D.
Obstetrics & Gynecology Physician · Walnut Creek, CA
Nadine Barbara Hanna, M.D. is an obstetrics & gynecology physician with a practice address in Walnut Creek, California, and NPI 1043244007, issued on Jul 10, 2006. Check the license (California A68399, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nadine Barbara Hanna
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A68399 CA
Self-reported in NPPES; status is on the state search - Practice location
- 112 LA Casa Via Ste 200, Walnut Creek, CA 94598
- Phone
- (925) 933-4747
- Enumerated
- Jul 10, 2006
- Record last updated
- Jan 7, 2025
- Fax
- (925) 933-1638
- Medicare enrollment
- Enrolled (PECOS I20090218000547); accepts Medicare assignment
- Medical or professional school
- Medical College Of Pennsylvania, 1997
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 112 LA Casa Via Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emily Cruz, NPNurse Practitioner1740783778
- Vincent Dimaggio, M.D.Specialist1215959366
- Patricia Geraghty, N.P.Women's Health Nurse Practitioner1316067952
- Luman Hughes, M.D.Obstetrics & Gynecology Physician1124040274
- Judith Jones, N.P.Women's Health Nurse Practitioner1346361060
- Gerald Katz, M.D.Obstetrics & Gynecology Physician1306868450
Verify Nadine Barbara Hanna in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A68399Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
564 Medicare Part D claims for 210 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 13 claims were for opioids.
Most prescribed
- Estradiol201 claims
- Progesterone57 claims
- Estradiol (Twice Weekly)33 claims
- Yuvafem33 claims
- Valacyclovir27 claims
- Nitrofurantoin Mono-Macro26 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: $271.76
15 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
- Bass Medical GroupWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nadine Barbara Hanna among 5,088 obstetrics & gynecology physician records in California
Nadine Barbara Hanna, 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1997 · median 2004 among the 2,700 with a school on file
- Record last updated2025 · 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).
56 obstetrics & gynecology physician records list a practice address in Walnut Creek
They are 56 of the 6,170 NPPES records with a practice address in Walnut Creek, and 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Walnut Creek → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Rosemary DelgadoWalnut Creek, CA 945981235140500
- Anh Do, MDWalnut Creek, CA 945981548362122
- Tanees Edraki, MDWalnut Creek, CA 945981881644482
- Yaron Friedman, M.D.Walnut Creek, CA 945981730104704
- Luman Hughes, M.D.Walnut Creek, CA 945981124040274
- Sari Kasper, D.O.Walnut Creek, CA 945981194739110
- Gerald Katz, M.D.Walnut Creek, CA 945981306868450
- Mindy Plotkin, MDWalnut Creek, CA 945981588742050
Common questions
What is Nadine Barbara Hanna, M.D.'s NPI number?
Nadine Barbara Hanna, M.D.'s National Provider Identifier (NPI) is 1043244007, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nadine Barbara Hanna, M.D. located?
The NPPES record lists a practice address at 112 LA Casa Via Ste 200, Walnut Creek, CA, 94598. Phone: (925) 933-4747. Providers update this record themselves, so call before visiting.
How can I verify Nadine Barbara Hanna, M.D.'s license?
NPPES lists California license number A68399, 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 Nadine Barbara Hanna, M.D. prescribe under Medicare Part D?
In 2024, Nadine Barbara Hanna, M.D. had 564 Medicare Part D claims for 210 beneficiaries; 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.