Cheresa Ng, MD
NPI 1902851504 · Obstetrics & Gynecology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cheresa Ng, MD is a Obstetrics & Gynecology Physician provider in San Francisco, CA (NPI 1902851504).
Provider details
- NPI number
- 1902851504
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- G81035 (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
20 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
468 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 308 | $153 |
| Fitting and Insertion of Vaginal Support Device57160 | 44 | $89 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 44 | $79 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 37 | $197 |
| Ultrasound Scan of Uterus, Ovaries, Tubes, Cervix and Pelvic Area Through Vagina76830 | 22 | $157 |
| Biopsy of Lining of Uterus And/Or Removal of Polyp Using an Endoscope58558 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clotrimazole/Betamethasone Dipbrand: Clotrimazole-Betamethasone | 108 | 71 |
| Estradiol | 62 | 30 |
| Fluconazole | 37 | 24 |
| Ciprofloxacin Hcl | 33 | 28 |
| Metronidazole | 28 | 19 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 19 | 13 |
| Estrogens, Conjugatedbrand: Premarin | 19 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$182 across 4 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
- 2006-05-23
- Last updated
- 2019-12-26
- Certified
- 2019-12-26
Frequently asked questions
- What is Cheresa Ng's NPI number?
- Cheresa Ng's National Provider Identifier (NPI) is 1902851504, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cheresa Ng's specialty?
- Cheresa Ng is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Cheresa Ng located?
- Cheresa Ng's practice location on file with NPPES is 2250 Hayes St Ste 408, San Francisco, CA 94117-1078.
- What is Cheresa Ng's phone number?
- The practice phone number listed in the NPPES registry for Cheresa Ng is (415) 221-6668.
- Does Cheresa Ng accept Medicare?
- Cheresa Ng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cheresa Ng's NPI active?
- Yes — Cheresa Ng's NPI (1902851504) is active in the NPPES registry as of the last update on 2019-12-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.