James Sondheimer, MD
NPI 1992745897 · Nephrology Physician · Detroit, MI
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Sondheimer, MD is a Nephrology Physician provider in Detroit, MI (NPI 1992745897).
Provider details
- NPI number
- 1992745897
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301046362 (MI)
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
365 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 35 Minutes99232 | 121 | $75 |
| Dialysis Procedure Including 1 Evaluation90945 | 52 | $82 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 39 | $337 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 38 | $124 |
| Hemodialysis Procedure With Physician Evaluation90935 | 33 | $68 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 31 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carvedilol | 52 | 16 |
| Sevelamer Carbonate | 49 | 15 |
| Amlodipine Besylate | 38 | 13 |
| Losartan Potassium | 36 | — |
| Atorvastatin Calcium | 30 | — |
| Hydralazine Hcl | 25 | — |
| Calcium Acetate | 24 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$46 across 2 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 (1)
- 400 Mack AveDetroit, MI 48201-2136Phone: (313) 448-9650Fax: (313) 448-9979
Registry dates
- Enumerated
- 2006-06-08
- Last updated
- 2022-03-01
- Certified
- 2022-03-01
Frequently asked questions
- What is James Sondheimer's NPI number?
- James Sondheimer's National Provider Identifier (NPI) is 1992745897, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Sondheimer's specialty?
- James Sondheimer is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is James Sondheimer located?
- James Sondheimer's practice location on file with NPPES is 4160 John R, Detroit, MI 48201-2020.
- What is James Sondheimer's phone number?
- The practice phone number listed in the NPPES registry for James Sondheimer is (313) 745-4525.
- Does James Sondheimer accept Medicare?
- James Sondheimer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Sondheimer's NPI active?
- Yes — James Sondheimer's NPI (1992745897) is active in the NPPES registry as of the last update on 2022-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.