Evan Diehl, M.D.
NPI 1255626925 · Internal Medicine Physician · Cedar Rapids, IA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Evan Diehl, M.D. is a Internal Medicine Physician provider in Cedar Rapids, IA (NPI 1255626925).
Provider details
- NPI number
- 1255626925
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- R9165 (IA)
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
15 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
469 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 50 Minutes99233 | 162 | $109 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 155 | $72 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 57 | $105 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 41 | $45 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 32 | $74 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-06-10
- Last updated
- 2014-06-24
Frequently asked questions
- What is Evan Diehl's NPI number?
- Evan Diehl's National Provider Identifier (NPI) is 1255626925, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Evan Diehl's specialty?
- Evan Diehl is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Evan Diehl located?
- Evan Diehl's practice location on file with NPPES is 1026 a Ave Ne, Cedar Rapids, IA 52402-5036.
- What is Evan Diehl's phone number?
- The practice phone number listed in the NPPES registry for Evan Diehl is (319) 369-7995.
- Does Evan Diehl accept Medicare?
- Evan Diehl is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Evan Diehl's NPI active?
- Yes — Evan Diehl's NPI (1255626925) is active in the NPPES registry as of the last update on 2014-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.