Carmen Cobb-Walch
NPI 1447526454 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carmen Cobb-Walch is a Internal Medicine Physician provider in San Francisco, CA (NPI 1447526454).
Provider details
- NPI number
- 1447526454
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- A160929 (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
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
173 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 63 | $132 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 27 | $87 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 26 | $193 |
| Prolonged Hospital Inpatient Or Observation Care Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By ThG0316 | 24 | $34 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 20 | $145 |
Practice location
Mailing address
Additional practice locations (1)
- 95 Third Street2nd Floor Suite #223San Francisco, CA 94103-3103Phone: (510) 200-8182Fax: (415) 965-4204
Registry dates
- Enumerated
- 2012-03-24
- Last updated
- 2026-06-03
- Certified
- 2026-06-03
Frequently asked questions
- What is Carmen Cobb-Walch's NPI number?
- Carmen Cobb-Walch's National Provider Identifier (NPI) is 1447526454, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carmen Cobb-Walch's specialty?
- Carmen Cobb-Walch is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Carmen Cobb-Walch located?
- Carmen Cobb-Walch's practice location on file with NPPES is 550 16th St, San Francisco, CA 94158-2545.
- What is Carmen Cobb-Walch's phone number?
- The practice phone number listed in the NPPES registry for Carmen Cobb-Walch is (414) 266-2000.
- Does Carmen Cobb-Walch accept Medicare?
- Carmen Cobb-Walch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carmen Cobb-Walch's NPI active?
- Yes — Carmen Cobb-Walch's NPI (1447526454) is active in the NPPES registry as of the last update on 2026-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.