Benjamin Griffin, MD
NPI 1568726529 · Nephrology Physician · Iowa City, IA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benjamin Griffin, MD is a Nephrology Physician provider in Iowa City, IA (NPI 1568726529).
Provider details
- NPI number
- 1568726529
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 56561 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
506 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 | 173 | $73 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 89 | $90 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 75 | $109 |
| Hemodialysis Procedure With Physician Evaluation90935 | 74 | $65 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 48 | $159 |
| Critical Care, First 30-74 Minutes99291 | 35 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 38 | 12 |
| Empagliflozinbrand: Jardiance | 37 | — |
| Amlodipine Besylate | 30 | 11 |
| Losartan Potassium | 28 | — |
| Spironolactone | 28 | — |
| Furosemide | 24 | — |
| Carvedilol | 22 |
Practice location
Mailing address
Additional practice locations (2)
- 1375 E 19th AveDenver, CO 80218-1114Phone: (303) 338-4545
- 200 1st St SwRochester, MN 55905-0001Phone: (507) 284-2511
Registry dates
- Enumerated
- 2012-06-25
- Last updated
- 2019-07-15
Frequently asked questions
- What is Benjamin Griffin's NPI number?
- Benjamin Griffin's National Provider Identifier (NPI) is 1568726529, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Griffin's specialty?
- Benjamin Griffin is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Benjamin Griffin located?
- Benjamin Griffin's practice location on file with NPPES is 200 Hawkins Dr, Iowa City, IA 52242.
- What is Benjamin Griffin's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Griffin is (319) 384-8197.
- Does Benjamin Griffin accept Medicare?
- Benjamin Griffin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benjamin Griffin's NPI active?
- Yes — Benjamin Griffin's NPI (1568726529) is active in the NPPES registry as of the last update on 2019-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.