Richard Frederick, M.D.
NPI 1720009160 · Gastroenterology Physician · San Francisco, CA
Provider details
- NPI number
- 1720009160
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A71441 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
14 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
990 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 290 | $132 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 241 | $162 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 213 | $180 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 48 | $193 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 39 | $220 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21,359 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
Additional practice locations (13)
- 1601 Esplanade Ste 3Chico, CA 95926-3370Phone: (415) 600-1020Fax: (415) 600-1005
- 2367 Harrison AveEureka, CA 95501-3216Phone: (707) 445-9015Fax: (707) 445-9014
- 1189 E Herndon AveFresno, CA 93720-3167Phone: (916) 732-4380Fax: (916) 739-0893
- 1401 Spanos Ct Ste 125Modesto, CA 95355-2814Phone: (415) 600-1000Fax: (415) 558-7051
- 101 Rowland Way Ste 220Novato, CA 94945-5056Phone: (415) 600-1020Fax: (415) 600-1005
- 3300 Webster St Ste 202Oakland, CA 94609-3120Phone: (510) 208-1777Fax: (510) 208-1776
- 795 El Camino RealPalo Alto, CA 94301-2302Phone: (415) 600-1020Fax: (415) 600-1005
- 1315 Alhambra Blvd Ste 210Sacramento, CA 95816-5246Phone: (916) 732-4380
Registry dates
- Enumerated
- 2006-07-21
- Last updated
- 2021-08-26
- Certified
- 2020-12-04
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.