Doctor profile · Federal record

Dr. Molly Tiesenga, APRN

Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Gerontology Nurse Practitioner · Grand Rapids, MI

  • NPI 1063977932
  • Accepts Medicare
  • MIPS 93.8 / 100 · 2023
  • 8 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
426 Michigan St Ne
Grand Rapids, MI 495035609
(616) 267-8338
Mailing address
100 Michigan St Ne # Mc845
Grand Rapids, MI 495032560

Credentials & registration

NPPES · NUCC
NPI registered
February 2019 — 7 yrs on file
Profile last updated
April 3, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State licenses (2)
Oregon #10021431 · Michigan #4704313324

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063977932. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
293
Distinct HCPCS
6
Medicare allowed
$23,733
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 158 113 $102
99213 Established patient office or other outpatient visit, 20-29 minutes 42 38 $73
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 37 37 $104
83036 Hemoglobin a1c level 31 27 $9
G0008 Administration of influenza virus vaccine 14 14 $29
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing 11 11 $5

In context: peer comparison

Among 10 peers in this city , average services per provider: 50. This provider delivers 5.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,023
Patients
411
Total drug cost
$19,631
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 161 67 $3,453
Levothyroxine Sodium Generic 101 34 $1,859
Lisinopril Generic 88 34 $1,018
Amlodipine Besylate Generic 85 32 $976
Losartan Potassium Generic 75 32 $1,471
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 70 23 $1,493
Omeprazole Generic 61 28 $1,222
Gabapentin Generic 58 29 $1,838
Metoprolol Succinate Generic 57 22 $1,590
Hydrochlorothiazide Generic 50 19 $360

Frequently asked questions

Auto-generated from federal data
What is Dr. Molly Tiesenga's medical specialty?
Dr. Molly Tiesenga practices Adult Health Nurse Practitioner in Grand Rapids, MI.
Where does Dr. Molly Tiesenga practice?
Dr. Molly Tiesenga practices at 426 Michigan St Ne, Grand Rapids, MI 495035609. Office phone: 6162678338.
What is Dr. Molly Tiesenga's NPI?
Dr. Molly Tiesenga's National Provider Identifier (NPI) is 1063977932, issued by NPPES.
Does Dr. Molly Tiesenga accept Medicare assignment?
Yes. Dr. Molly Tiesenga accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Molly Tiesenga commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.