Dr. Heather E. Gantzer, MD

  • Minneapolis, MN
  • Internist
NPI1639154404PAC ID7618066127
Medicare services, 2024
2,360
Medicare patients, 2024
284
Part D claims, 2024
7,230
Publications
11
Hospital affiliations
1
Practice address
3800 Park Nicollet Blvd, Saint Louis Park, MN 55416
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Park Nicollet Child and Family Behavioral Health Center - HOPD

Acute Care Hospital outpatient department · Saint Louis Park, Minnesota

See all 7 affiliations

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Dr. Heather E. Gantzer is an internist in Minneapolis, Minnesota

Dr. Gantzer practices at Park Nicollet Child and Family Behavioral Health Center - HOPD in Saint Louis Park, Minnesota.

Dr. Gantzer's NPI, 1639154404, was assigned on December 14, 2005. Dr. Gantzer holds Minnesota license 31600.

NPI and contact details
Medicare PAC ID
7618066127
NPI enumeration date
December 14, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
67
Medical school graduation
1985

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Heather E. Gantzer practices at Park Nicollet Child and Family Behavioral Health Center - HOPD in Saint Louis Park, Minnesota

Dr. Gantzer's primary practice is Park Nicollet Child and Family Behavioral Health Center - HOPD, at 3800 Park Nicollet Blvd, Saint Louis Park, MN 55416.

  • Park Nicollet Child and Family Behavioral Health Center - HOPD
    3800 Park Nicollet Blvd, Saint Louis Park, MN 55416

Source: Dmand AI Affiliation Data

Dr. Heather E. Gantzer is affiliated with 6 sites of care and 1 medical group

Dr. Gantzer's primary practice is Park Nicollet Child and Family Behavioral Health Center - HOPD in Saint Louis Park, Minnesota. Dr. Gantzer is also affiliated with Methodist Hospital. The medical group on file is Park Nicollet Clinic. Dmand AI also links Dr. Gantzer to 1 more clinical lab, 1 group practice or clinic, 1 home health agency and 1 hospice, each named with a free account. Dr. Gantzer's employer is on file too: a hospital.

See all 7 affiliations for Dr. Gantzer

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Heather E. Gantzer's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gantzer practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Park Nicollet Child and Family Behavioral Health Center - HOPDAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Heather E. Gantzer is one of 2,322 internists in Minnesota

Internal medicine is Dr. Gantzer's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Gantzer is licensed in Minnesota.

Specialties and state licenses

  • Internal medicine, MinnesotaPrimaryLicense 31600 · taxonomy 207R00000X

Internists near Dr. Gantzer

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Heather E. Gantzer billed Medicare for 2,360 services in 2024

CMS data shows 2,360 Medicare services from Dr. Gantzer across 29 procedure codes in 2024, for 284 Medicare patients. Medicare paid $99,395 for them. Every service was in an office.

Medicare services, 20242,360
Medicare patients284
Paid by Medicare$99,395
Procedure codes29

Dr. Gantzer's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Lab and pathology
2023: 1,0452024: 86118%
Office and hospital visits
2023: 5972024: 52712%
Surgery
2023: 5252024: 41920%
Other services
2023: 2842024: 33719%
Tests and treatments
2023: 862024: 216151%

Dr. Gantzer compared with the Minnesota median for internists, 2024

  • Dr. Gantzer
  • Minnesota median
Medicare services
2,360vs 3367.0 times
Medicare patients
284vs 14892% above
Part D claims
6,678vs 14446.4 times

Medians across 2,238 internists in Minnesota with Dmand AI profiles that report each measure.

Dr. Gantzer's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Gantzer

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Heather E. Gantzer treated 284 Medicare patients in 2024, average age 78

CMS counts 284 Medicare patients who saw Dr. Gantzer in 2024. The largest group is 75 to 84, with 113 patients. 75% of them have high cholesterol, and 67% have high blood pressure. Their average risk score is 1.06, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Gantzer's median patient age at 75, with 88% women.

Medicare patients, 2024284
Average age78
Average risk score1.06

Dr. Gantzer's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Gantzer's Medicare patients by sex, 2024

  • Women24085%
  • Men4415%

Chronic conditions among Dr. Gantzer's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure67%
  3. Arthritis41%
  4. Mood disorders30%
  5. Depression27%
  6. Osteoporosis26%
  7. Anxiety22%
  8. Atrial fibrillation16%

Share of Medicare patients with each condition. A patient can have several.

Dr. Gantzer's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women88%
  • Men12%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Heather E. Gantzer wrote 7,230 Medicare Part D claims in 2024

In 2024, Dr. Gantzer wrote 7,230 Medicare Part D claims for 672 patients. 88% of them were for generic drugs. CMS names the drug for 6,678 of them, across 99 drugs with 11 or more claims each, at $373,373 in total drug cost. In 2023, CMS named 6,731 claims across 102 drugs.

Part D claims, 20247,230
Drugs named by CMS99
Total drug cost$373,373
Part D patients672

Dr. Gantzer's Part D claims by kind of drug, 2024

  • Generic6,395 claims88%
  • Brand-name793 claims11%
  • Other42 claims1%

Dr. Gantzer's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Gantzer's Part D claims, 2024

  • Opioids1%90 of 7,230 claims
  • Antibiotics2%111 of 7,230 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 6,7312024: 6,6781%

Drugs named by CMS: 99 in 2024, 102 in 2023.

See all prescribing by Dr. Gantzer

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Heather E. Gantzer offers telehealth to Medicare patients

Dr. Gantzer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gantzer as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Heather E. Gantzer has 11 publications on record

Dmand AI links 11 papers to Dr. Gantzer, published from 2017 to 2022. 2018 was the busiest year, with 4. The most frequent topics are Societies, Medical. Dr. Gantzer has published most often in Ann Intern Med. Dr. Gantzer's most frequent co-authors are Sue Scher Bornstein, MD, Beth R. Nalitt, MD and Lavanya Viswanathan, MD.

Papers11
Years published2017 to 2022

Dr. Gantzer's papers by year, 2017 to 2022

Topics Dr. Gantzer writes about most

  • Societies, Medical

Dr. Gantzer's most frequent co-authors

Recent publications by Dr. Gantzer

See all 11 publications and co-authors

See who Dr. Gantzer researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gantzer works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Sources for Dr. Heather E. Gantzer's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Heather E. Gantzer

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Heather E. Gantzer's NPI number?

Dr. Heather E. Gantzer's NPI number is 1639154404. It was assigned on December 14, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Heather E. Gantzer?

Dr. Heather E. Gantzer is an internist in Minneapolis, Minnesota. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Heather E. Gantzer practice?

Dr. Gantzer practices at 3800 Park Nicollet Blvd, Saint Louis Park, MN 55416. Dr. Gantzer's primary practice is Park Nicollet Child and Family Behavioral Health Center - HOPD in Saint Louis Park, Minnesota. Dmand AI also links Dr. Gantzer to 1 clinical lab, 1 group practice or clinic, 1 home health agency and 1 hospice.

What is Dr. Heather E. Gantzer's medical license number?

Dr. Gantzer holds Minnesota license 31600.

Which hospitals is Dr. Heather E. Gantzer affiliated with?

Dr. Gantzer is affiliated with Methodist Hospital.

What medical group is Dr. Heather E. Gantzer part of?

Dr. Gantzer is linked to Park Nicollet Clinic.

Does Dr. Heather E. Gantzer accept Medicare?

Yes. CMS data shows Dr. Gantzer billed Medicare for 2,360 services in 2024, and Dr. Gantzer accepts Medicare assignment.

Does Dr. Heather E. Gantzer offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Gantzer as offering telehealth services.

How many Medicare patients does Dr. Heather E. Gantzer see?

CMS counts 284 Medicare patients who saw Dr. Gantzer in 2024, with an average age of 78.

What services does Dr. Heather E. Gantzer bill to Medicare?

In 2024, Dr. Gantzer's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and lab and pathology test (85025).

Show 4 more questionsShow fewer questions

What drugs does Dr. Heather E. Gantzer prescribe most?

In 2024 Medicare Part D data, Dr. Gantzer's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Levothyroxine Sodium.

How long has Dr. Heather E. Gantzer been practicing?

Dr. Gantzer graduated from medical school in 1985, 41 years ago.

Does Dr. Heather E. Gantzer do research?

Dmand AI links 11 publications to Dr. Gantzer, published from 2017 to 2022.

Who does Dr. Heather E. Gantzer publish with?

Dr. Gantzer's most frequent co-authors are Sue Scher Bornstein, MD (5 shared papers), Beth R. Nalitt, MD (3 shared papers) and Lavanya Viswanathan, MD (3 shared papers).

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