Grant Peterson, MD
NPI 1881905370 · Internal Medicine Physician · Ankeny, IA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grant Peterson, MD is a Internal Medicine Physician provider in Ankeny, IA (NPI 1881905370).
Provider details
- NPI number
- 1881905370
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 6336 (NE)
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
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
2,415 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 444 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 358 | $118 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 302 | $58 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 217 | $84 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 196 | $119 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 128 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 496 | 152 |
| Amlodipine Besylate | 314 | 87 |
| Levothyroxine Sodium | 248 | 61 |
| Losartan Potassium | 226 | 65 |
| Tamsulosin Hcl | 188 | 53 |
| Omeprazole | 183 | 54 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-29
- Last updated
- 2014-10-13
Frequently asked questions
- What is Grant Peterson's NPI number?
- Grant Peterson's National Provider Identifier (NPI) is 1881905370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grant Peterson's specialty?
- Grant Peterson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Grant Peterson located?
- Grant Peterson's practice location on file with NPPES is 2515 Sw State St, Ankeny, IA 50023-7079.
- What is Grant Peterson's phone number?
- The practice phone number listed in the NPPES registry for Grant Peterson is (515) 964-6929.
- Does Grant Peterson accept Medicare?
- Grant Peterson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grant Peterson's NPI active?
- Yes — Grant Peterson's NPI (1881905370) is active in the NPPES registry as of the last update on 2014-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.