Cheryl Ewing, MD
NPI 1710935028 · Surgical Oncology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Surgical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cheryl Ewing, MD is a Surgical Oncology Physician provider in San Francisco, CA (NPI 1710935028).
Provider details
- NPI number
- 1710935028
- Entity type
- Individual
- Primary specialty
- Surgical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G86024 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
216 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 51 | $109 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 50 | $74 |
| Partial Removal of Breast19301 | 33 | $737 |
| Biopsy Or Removal of Deep Lymph Nodes of Underarm38525 | 25 | $275 |
| Imaging of Lymph Nodes During Surgery38900 | 25 | $150 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-05
- Last updated
- 2019-05-30
Frequently asked questions
- What is Cheryl Ewing's NPI number?
- Cheryl Ewing's National Provider Identifier (NPI) is 1710935028, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cheryl Ewing's specialty?
- Cheryl Ewing is listed in the NPPES registry with a primary specialty of Surgical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Cheryl Ewing located?
- Cheryl Ewing's practice location on file with NPPES is 1600 Divisadero St, San Francisco, CA 94143-0001.
- What is Cheryl Ewing's phone number?
- The practice phone number listed in the NPPES registry for Cheryl Ewing is (415) 353-7111.
- Does Cheryl Ewing accept Medicare?
- Cheryl Ewing is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cheryl Ewing's NPI active?
- Yes — Cheryl Ewing's NPI (1710935028) is active in the NPPES registry as of the last update on 2019-05-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.