James Singer, M.D.
NPI 1407843204 · Nephrology Physician · Ft Collins, CO
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Singer, M.D. is a Nephrology Physician provider in Ft Collins, CO (NPI 1407843204).
Provider details
- NPI number
- 1407843204
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 6029A (WY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
160 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 35 Minutes99232 | 68 | $77 |
| Hemodialysis Procedure With Physician Evaluation90935 | 62 | $69 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 30 | $116 |
Typical Medicare-allowed amounts for these services range $69–$116 (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.
Practice location
Mailing address
Additional practice locations (1)
- 2301 House Ave Ste 201Cheyenne, WY 82001-3177Phone: (307) 638-7757
Registry dates
- Enumerated
- 2005-10-05
- Last updated
- 2022-12-06
- Certified
- 2022-12-06
Frequently asked questions
- What is James Singer's NPI number?
- James Singer's National Provider Identifier (NPI) is 1407843204, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Singer's specialty?
- James Singer is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is James Singer located?
- James Singer's practice location on file with NPPES is 1600 Specht Point Rd, Ft Collins, CO 80525-4311.
- What is James Singer's phone number?
- The practice phone number listed in the NPPES registry for James Singer is (970) 493-7733.
- Does James Singer accept Medicare?
- James Singer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Singer's NPI active?
- Yes — James Singer's NPI (1407843204) is active in the NPPES registry as of the last update on 2022-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.