Keir Fowler, M.D.
NPI 1700991163 · Diagnostic Radiology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keir Fowler, M.D. is a Diagnostic Radiology Physician provider in San Diego, CA (NPI 1700991163).
Provider details
- NPI number
- 1700991163
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 5185 (AK)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
8 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
3,328 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 274 | $11 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 260 | $114 |
| Ct Scan Head Or Brain Without Contrast70450 | 234 | $52 |
| X-Ray of Chest, 2 Views71046 | 193 | $14 |
| X-Ray of Chest, 2 Views71046 | 180 | $21 |
| Screening Mammography77067 | 165 | $47 |
Practice location
Mailing address
Additional practice locations (7)
- 1650 Cowles StFairbanks, AK 99701Phone: (907) 458-5660
- 1415 Ross AveEl Centro, CA 92243-4306Phone: (800) 926-8273Fax: (888) 539-8781
- 9300 Campus Point DrLa Jolla, CA 92037-1300Phone: (800) 926-8273Fax: (888) 539-8781
- 9400 Campus Point DrLa Jolla, CA 92093-1350Phone: (800) 926-8273Fax: (888) 539-8781
- 330 Lewis StSan Diego, CA 92103-2108Phone: (800) 926-8273Fax: (888) 539-8781
- 4250 1st AveSan Diego, CA 92103-2026Phone: (800) 926-8273Fax: (888) 539-8781
- 6655 Alvarado RdSan Diego, CA 92120-5208Phone: (800) 926-8273Fax: (888) 539-8781
Registry dates
- Enumerated
- 2006-08-19
- Last updated
- 2026-05-07
- Certified
- 2026-05-07
Frequently asked questions
- What is Keir Fowler's NPI number?
- Keir Fowler's National Provider Identifier (NPI) is 1700991163, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keir Fowler's specialty?
- Keir Fowler is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Keir Fowler located?
- Keir Fowler's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9000.
- What is Keir Fowler's phone number?
- The practice phone number listed in the NPPES registry for Keir Fowler is (800) 926-8273.
- Does Keir Fowler accept Medicare?
- Keir Fowler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keir Fowler's NPI active?
- Yes — Keir Fowler's NPI (1700991163) is active in the NPPES registry as of the last update on 2026-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.