Nadine Hanna, M.D.
NPI 1043244007 · Obstetrics & Gynecology Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nadine Hanna, M.D. is a Obstetrics & Gynecology Physician provider in Walnut Creek, CA (NPI 1043244007).
Provider details
- NPI number
- 1043244007
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A68399 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
387 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 102 | $109 |
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 96 | $47 |
| Screening Papanicolaou Smear; Obtaining, Preparing and Conveyance of Cervical Or Vaginal Smear to LaboratoryQ0091 | 63 | $56 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 49 | $69 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 33 | $133 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 201 | 98 |
| Progesterone, Micronizedbrand: Progesterone | 57 | 16 |
| Estradiolbrand: Estradiol (twice Weekly) | 33 | 11 |
| Estradiolbrand: Yuvafem | 33 | 12 |
| Valacyclovir Hclbrand: Valacyclovir | 27 | 11 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 26 | 22 |
| Misoprostol | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$272 across 15 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-10
- Last updated
- 2025-01-07
- Certified
- 2025-01-07
Frequently asked questions
- What is Nadine Hanna's NPI number?
- Nadine Hanna's National Provider Identifier (NPI) is 1043244007, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nadine Hanna's specialty?
- Nadine Hanna is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Nadine Hanna located?
- Nadine Hanna's practice location on file with NPPES is 112 La Casa Via Ste 200, Walnut Creek, CA 94598-3011.
- What is Nadine Hanna's phone number?
- The practice phone number listed in the NPPES registry for Nadine Hanna is (925) 933-4747.
- Does Nadine Hanna accept Medicare?
- Nadine Hanna is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nadine Hanna's NPI active?
- Yes — Nadine Hanna's NPI (1043244007) is active in the NPPES registry as of the last update on 2025-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.