James Hoff, M.D.
NPI 1598859654 · Internal Medicine Physician · Lodi, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Hoff, M.D. is a Internal Medicine Physician provider in Lodi, CA (NPI 1598859654).
Provider details
- NPI number
- 1598859654
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G50029 (CA)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,514 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 742 | $136 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 566 | $15 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 420 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 159 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 95 | $96 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 86 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 131 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ezetimibe | 438 | 109 |
| Atorvastatin Calcium | 362 | 94 |
| Levothyroxine Sodium | 327 | 74 |
| Rosuvastatin Calcium | 224 | 50 |
| Empagliflozinbrand: Jardiance | 184 | 35 |
| Amlodipine Besylate | 182 | 45 |
| Tirzepatide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,050 across 176 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
- 2006-10-03
- Last updated
- 2009-05-20
Frequently asked questions
- What is James Hoff's NPI number?
- James Hoff's National Provider Identifier (NPI) is 1598859654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Hoff's specialty?
- James Hoff is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Hoff located?
- James Hoff's practice location on file with NPPES is 999 S Fairmont Ave, Lodi, CA 95240-5100.
- What is James Hoff's phone number?
- The practice phone number listed in the NPPES registry for James Hoff is (209) 366-2060.
- Does James Hoff accept Medicare?
- James Hoff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Hoff's NPI active?
- Yes — James Hoff's NPI (1598859654) is active in the NPPES registry as of the last update on 2009-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.