James Simmons, D.O.
NPI 1043519853 · Hospitalist Physician · Fresno, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Simmons, D.O. is a Hospitalist Physician provider in Fresno, CA (NPI 1043519853).
Provider details
- NPI number
- 1043519853
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 20A12478 (CA)
Specialties & taxonomies
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
15 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
949 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 | 484 | $116 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 162 | $170 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 150 | $77 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 127 | $113 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 13 | $80 |
| Advance Care Planning, First 30 Minutes99497 | 13 | $74 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Escitalopram Oxalate | 26 | — |
| Tamsulosin Hcl | 16 | — |
| Levothyroxine Sodium | 14 | — |
| Atorvastatin Calcium | 13 | 13 |
| Apixabanbrand: Eliquis | 13 | 12 |
| Furosemide | 12 | 12 |
| Hydrocodone/Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$309 across 3 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
- 2011-03-18
- Last updated
- 2018-11-01
Frequently asked questions
- What is James Simmons's NPI number?
- James Simmons's National Provider Identifier (NPI) is 1043519853, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Simmons's specialty?
- James Simmons is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is James Simmons located?
- James Simmons's practice location on file with NPPES is 155 N Fresno St, Fresno, CA 93701-2302.
- What is James Simmons's phone number?
- The practice phone number listed in the NPPES registry for James Simmons is (559) 499-6500.
- Does James Simmons accept Medicare?
- James Simmons is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Simmons's NPI active?
- Yes — James Simmons's NPI (1043519853) is active in the NPPES registry as of the last update on 2018-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.