James Fenlon, D.O.
NPI 1750725602 · Anesthesiology Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Fenlon, D.O. is a Anesthesiology Physician provider in Phoenix, AZ (NPI 1750725602).
Provider details
- NPI number
- 1750725602
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 63419 (WI)
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
13 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
146 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) |
|---|---|---|
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 52 | $149 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 21 | $142 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 15 | $51 |
| Anesthesia for Total Hip Replacement01214 | 13 | $351 |
| Anesthesia for Procedure on Gallbladder, Pancreas, Or Liver Using an Endoscope00732 | 12 | $211 |
| Anesthesia for Extensive Surgery on Spine00670 | 11 | $592 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$33 across 1 record (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
- 2013-04-23
- Last updated
- 2021-12-22
- Certified
- 2021-12-21
Frequently asked questions
- What is James Fenlon's NPI number?
- James Fenlon's National Provider Identifier (NPI) is 1750725602, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Fenlon's specialty?
- James Fenlon is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is James Fenlon located?
- James Fenlon's practice location on file with NPPES is 645 E Missouri Ave, Phoenix, AZ 85012-1369.
- What is James Fenlon's phone number?
- The practice phone number listed in the NPPES registry for James Fenlon is (608) 262-8900.
- Does James Fenlon accept Medicare?
- James Fenlon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Fenlon's NPI active?
- Yes — James Fenlon's NPI (1750725602) is active in the NPPES registry as of the last update on 2021-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.