Doctor profile · Federal record

Dr. Ryan Grandgenett, MD

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Ames, IA

  • NPI 1316999865
  • Accepts Medicare
  • 25 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1018 Duff Ave, McFarland Clinic PC
Ames, IA 500103014
(515) 663-8621
fax (515) 663-8620
Mailing address
Po Box 3014, McFarland Clinic PC 1215 Duff Ave
Ames, IA 500103014

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
November 13, 2020
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Iowa #37407 · Wisconsin #44886020
Medicaid
IA #1316999865

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316999865. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,637
Distinct HCPCS
10
Medicare allowed
$184,517
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 642 322 $84
36415 Insertion of needle into vein for collection of blood sample 526 310 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 389 287 $8
80053 Blood test, comprehensive group of blood chemicals 335 269 $10
80061 Blood test, lipids (cholesterol and triglycerides) 263 250 $13
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 236 236 $123
83036 Hemoglobin a1c level 228 140 $9
99214 Established patient office or other outpatient visit, 30-39 minutes 195 142 $121
84443 Blood test, thyroid stimulating hormone (tsh) 138 107 $16
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 103 20 $59

In context: peer comparison

Among 10 peers in Ames Family Medicine Physician, average services per provider: 111. This provider delivers 42× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$29
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $14.66
Amgen INC. 1 $14.20

By nature of payment

Education
$15
Food and Beverage
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,795
Patients
854
Total drug cost
$215,979
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 692 166 $7,409
Omeprazole Generic 416 92 $4,575
Lisinopril Generic 414 94 $2,802
Amlodipine Besylate Generic 342 88 $2,566
Levothyroxine Sodium Generic 328 59 $3,303
Losartan Potassium Generic 239 55 $2,524
Pantoprazole Sodium Generic 179 37 $1,905
Hydrochlorothiazide Generic 177 42 $528
Metformin Hcl ER (Metformin Hcl) Brand 165 42 $1,618
Metoprolol Succinate Generic 151 37 $3,042

Frequently asked questions

Auto-generated from federal data
What is Dr. Ryan Grandgenett's medical specialty?
Dr. Ryan Grandgenett practices Family Medicine Physician in Ames, IA.
Where does Dr. Ryan Grandgenett practice?
Dr. Ryan Grandgenett practices at 1018 Duff Ave, Ames, IA 500103014. Office phone: 5156638621.
What is Dr. Ryan Grandgenett's NPI?
Dr. Ryan Grandgenett's National Provider Identifier (NPI) is 1316999865, issued by NPPES.
Does Dr. Ryan Grandgenett accept Medicare assignment?
Yes. Dr. Ryan Grandgenett accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan Grandgenett commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025). Source: CMS Medicare Physician & Other Practitioners file.