Hung Ninh, M.D.
NPI 1558319335 · Obstetrics & Gynecology Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hung Ninh, M.D. is a Obstetrics & Gynecology Physician provider in San Jose, CA (NPI 1558319335).
Provider details
- NPI number
- 1558319335
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G49994 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
306 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 179 | $110 |
| Screening Papanicolaou Smear; Obtaining, Preparing and Conveyance of Cervical Or Vaginal Smear to LaboratoryQ0091 | 51 | $57 |
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 50 | $48 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 26 | $134 |
Typical Medicare-allowed amounts for these services range $48–$134 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 110 | 62 |
| Amlodipine Besylate | 76 | 45 |
| Losartan Potassium | 73 | 42 |
| Metformin Hcl | 51 | 25 |
| Alendronate Sodium | 50 | 27 |
| Hydrocortisone | 47 | 25 |
| Tamsulosin Hcl | 32 | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-04
- Last updated
- 2008-05-23
Frequently asked questions
- What is Hung Ninh's NPI number?
- Hung Ninh's National Provider Identifier (NPI) is 1558319335, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hung Ninh's specialty?
- Hung Ninh is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Hung Ninh located?
- Hung Ninh's practice location on file with NPPES is 1661 Burdette Dr, San Jose, CA 95121-1613.
- What is Hung Ninh's phone number?
- The practice phone number listed in the NPPES registry for Hung Ninh is (408) 531-9735.
- Does Hung Ninh accept Medicare?
- Hung Ninh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hung Ninh's NPI active?
- Yes — Hung Ninh's NPI (1558319335) is active in the NPPES registry as of the last update on 2008-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.