Catherine Sherman, D.O.
NPI 1710299185 · Internal Medicine Physician · Colton, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Sherman, D.O. is a Internal Medicine Physician provider in Colton, CA (NPI 1710299185).
Provider details
- NPI number
- 1710299185
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 20A10939 (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
15 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
656 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 | 507 | $122 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 84 | $120 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 65 | $177 |
Typical Medicare-allowed amounts for these services range $120–$177 (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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 27 | 17 |
| Sitagliptin Phosphatebrand: Januvia | 25 | — |
| Atorvastatin Calcium | 25 | 23 |
| Amlodipine Besylate | 24 | 16 |
| Levothyroxine Sodium | 17 | — |
| Famotidine | 16 | — |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-07-13
- Last updated
- 2010-07-13
Frequently asked questions
- What is Catherine Sherman's NPI number?
- Catherine Sherman's National Provider Identifier (NPI) is 1710299185, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Sherman's specialty?
- Catherine Sherman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Sherman located?
- Catherine Sherman's practice location on file with NPPES is 400 N Pepper Ave, Colton, CA 92324-1801.
- What is Catherine Sherman's phone number?
- The practice phone number listed in the NPPES registry for Catherine Sherman is (909) 580-1000.
- Does Catherine Sherman accept Medicare?
- Catherine Sherman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Sherman's NPI active?
- Yes — Catherine Sherman's NPI (1710299185) is active in the NPPES registry as of the last update on 2010-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.