John Yasmer, D.O.
NPI 1295934727 · Diagnostic Radiology Physician · Claremont, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Yasmer, D.O. is a Diagnostic Radiology Physician provider in Claremont, CA (NPI 1295934727).
Provider details
- NPI number
- 1295934727
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 10068 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,450 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) |
|---|---|---|
| Ct Scan of Chest Without Contrast71250 | 817 | $76 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 279 | $107 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 264 | $179 |
| Blood Creatinine Level82565 | 252 | $5 |
| Ct Scan of Abdomen and Pelvis Before and After Contrast74178 | 199 | $200 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 145 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-14
- Last updated
- 2014-11-20
Frequently asked questions
- What is John Yasmer's NPI number?
- John Yasmer's National Provider Identifier (NPI) is 1295934727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Yasmer's specialty?
- John Yasmer is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Yasmer located?
- John Yasmer's practice location on file with NPPES is 2058 N Mills Ave Ste 341, Claremont, CA 91711-2812.
- What is John Yasmer's phone number?
- The practice phone number listed in the NPPES registry for John Yasmer is (909) 293-9327.
- Does John Yasmer accept Medicare?
- John Yasmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Yasmer's NPI active?
- Yes — John Yasmer's NPI (1295934727) is active in the NPPES registry as of the last update on 2014-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.