Doctor profile · Federal record

Dr. Heather Gantzer, MD

Internal Medicine Physician (CMS: Emergency Medicine) · St Louis Park, MN

  • NPI 1639154404
  • Accepts Medicare
  • 41 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3850 Park Nicollet Blvd
St Louis Park, MN 554162527
(952) 993-2000
Mailing address
8170 33Rd Ave S # MS 21110Q
Bloomington, MN 554254516

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
June 10, 2021
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Minnesota #31600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639154404. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,537
Distinct HCPCS
10
Medicare allowed
$118,857
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 525 221 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 241 169 $125
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 181 140 $8
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 181 181 $126
85610 Blood test, clotting time 165 18 $4
99215 Established patient office or other outpatient visit, 40-54 minutes 121 99 $174
80061 Blood test, lipids (cholesterol and triglycerides) 119 111 $13
82565 Blood creatinine level 110 95 $5
83036 Hemoglobin a1c level 99 82 $10
82947 Blood glucose (sugar) level 93 90 $4

In context: peer comparison

Among 24 peers in St Louis Park Internal Medicine Physician, average services per provider: 436. This provider delivers 5.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,114
Patients
1,148
Total drug cost
$79,923
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 665 176 $13,764
Losartan Potassium Generic 519 136 $11,866
Levothyroxine Sodium Generic 488 118 $10,873
Amlodipine Besylate Generic 340 97 $5,580
Hydrochlorothiazide Generic 318 94 $2,230
Simvastatin Generic 309 81 $5,116
Omeprazole Generic 267 84 $5,184
Lisinopril Generic 262 77 $4,339
Metoprolol Succinate Generic 187 50 $4,398
Rosuvastatin Calcium Generic 183 59 $5,420

Frequently asked questions

Auto-generated from federal data
What is Dr. Heather Gantzer's medical specialty?
Dr. Heather Gantzer practices Internal Medicine Physician in St Louis Park, MN.
Where does Dr. Heather Gantzer practice?
Dr. Heather Gantzer practices at 3850 Park Nicollet Blvd, St Louis Park, MN 554162527. Office phone: 9529932000.
What is Dr. Heather Gantzer's NPI?
Dr. Heather Gantzer's National Provider Identifier (NPI) is 1639154404, issued by NPPES.
Does Dr. Heather Gantzer accept Medicare assignment?
Yes. Dr. Heather Gantzer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Heather Gantzer commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); 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.