Doctor profile · Federal record

Dr. Heather Grantz, NP

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

  • NPI 1669856142
  • Accepts Medicare
  • MIPS 93.8 / 100 · 2023
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
145 Michigan St Ne Ste 3140
Grand Rapids, MI 495032562
(616) 391-9945
Mailing address
100 Michigan St Ne, Mc 845
Grand Rapids, MI 495032560

Credentials & registration

NPPES · NUCC
NPI registered
July 2015 — 11 yrs on file
Profile last updated
August 15, 2022
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State license (1)
Michigan #4704284671

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669856142. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
229
Distinct HCPCS
4
Medicare allowed
$20,742
HCPCS Description Services Patients Avg allowed
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 118 39 $106
99497 Advance care planning, first 30 minutes 58 45 $69
99498 Advance care planning, each additional 30 minutes 42 35 $60
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 11 11 $155

In context: peer comparison

Among 10 peers in Grand Rapids Adult Health Nurse Practitioner, average services per provider: 50. This provider delivers 4.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
268
Patients
69
Total drug cost
$9,721
Drug Type Claims Patients Total cost
Morphine Sulfate ER (Morphine Sulfate) Brand 47 14 $1,829
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 41 18 $1,439
Oxycodone Hcl Generic 33 12 $917
Trazodone Hcl Generic 31 11 $172
Morphine Sulfate Generic 27 14 $534
Atorvastatin Calcium Generic 25 0 $367
Gabapentin Generic 19 0 $326
Citalopram Hbr (Citalopram Hydrobromide) Brand 12 0 $58
Buprenorphine Generic 11 0 $3,674
Lidocaine Generic 11 0 $189

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Heather Grantz's medical specialty?
Dr. Heather Grantz practices Adult Health Nurse Practitioner in Grand Rapids, MI.
Where does Dr. Heather Grantz practice?
Dr. Heather Grantz practices at 145 Michigan St Ne Ste 3140, Grand Rapids, MI 495032562. Office phone: 6163919945.
What is Dr. Heather Grantz's NPI?
Dr. Heather Grantz's National Provider Identifier (NPI) is 1669856142, issued by NPPES.
Does Dr. Heather Grantz accept Medicare assignment?
Yes. Dr. Heather Grantz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Heather Grantz commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with moderate level of medical decision making (HCPCS 99349); Advance care planning (HCPCS 99497); Advance care planning (HCPCS 99498). Source: CMS Medicare Physician & Other Practitioners file.