Heidi M. Ehrhardt
- Medicare services, 2024
- 148
- Medicare patients, 2024
- 83
- Part D claims, 2024
- 2,611
- MIPS score, 2024
- 86
- Hospital affiliations
- 1
- Practice address
- 1500 E Medical Center Dr, Ann Arbor, MI 48109
- Practice phone
- Call (734) 936-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Hospital in Ann Arbor
Ann Arbor, Michigan
Find Heidi Ehrhardt's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Heidi M. Ehrhardt is an internist in Ann Arbor, Michigan
Heidi Ehrhardt practices at University Hospital in Ann Arbor in Ann Arbor, Michigan.
Heidi Ehrhardt's NPI, 1538126354, was assigned on April 26, 2006. Heidi Ehrhardt graduated from Wright State University Boonshoft School of Medicine in 1994. Heidi Ehrhardt holds Kentucky license 48489.
- NPI
- 1538126354NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820060254
- NPI enumeration date
- April 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (734) 936-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Heidi M. Ehrhardt practices at University Hospital in Ann Arbor in Ann Arbor, Michigan
Heidi Ehrhardt's primary practice is University Hospital in Ann Arbor, at 1500 E Medical Center Dr, Ann Arbor, MI 48109 in Washtenaw County. The practice phone is (734) 936-4000.
- University Hospital in Ann Arbor1500 E Medical Center Dr, Ann Arbor, MI 48109 · Washtenaw CountyPhone(734) 936-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Heidi M. Ehrhardt is affiliated with 3 sites of care and 1 medical group
Heidi Ehrhardt's primary practice is University Hospital in Ann Arbor in Ann Arbor, Michigan. Heidi Ehrhardt is also affiliated with University of Kentucky Albert B. Chandler Hospital. The medical group on file is University of Kentucky General Pediatrics. Dmand AI also links Heidi Ehrhardt to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Heidi M. Ehrhardt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Heidi Ehrhardt practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Hospital in Ann Arbor | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Heidi M. Ehrhardt is one of 4,804 internists in Michigan
Internal medicine is Heidi Ehrhardt's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Heidi Ehrhardt is licensed in Kentucky.
Specialties and state licenses
- Internal medicine, KentuckyPrimary
Internists near Heidi Ehrhardt
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
Heidi M. Ehrhardt billed Medicare for 148 services in 2024
CMS data shows 148 Medicare services from Heidi Ehrhardt across 2 procedure codes in 2024, all of them office visits, for 83 Medicare patients. Medicare paid $9,089 for them. Every service was in a facility, such as a hospital, rather than an office.
Heidi Ehrhardt's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1712024: 14813%
Heidi Ehrhardt compared with the Michigan median for internists, 2024
- Heidi Ehrhardt
- Michigan median
- Medicare services
- 148vs 42365% below
- Medicare patients
- 83vs 15948% below
- Part D claims
- 1,976vs 3146.3 times
Medians across 4,524 internists in Michigan with Dmand AI profiles that report each measure.
Heidi Ehrhardt'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Heidi M. Ehrhardt treated 83 Medicare patients in 2024, average age 68
CMS counts 83 Medicare patients who saw Heidi Ehrhardt in 2024. The largest group is 65 to 74, with 41 patients. 72% of them have high blood pressure, and 61% have high cholesterol. 31% are also on Medicaid. Their average risk score is 1.26, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Heidi Ehrhardt's median patient age at 63, with 53% women.
Heidi Ehrhardt's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Heidi Ehrhardt's Medicare patients by sex, 2024
- Women5465%
- Men2935%
Chronic conditions among Heidi Ehrhardt's Medicare patients, 2024
- High blood pressure72%
- High cholesterol61%
- Arthritis40%
- Anxiety36%
- Mood disorders34%
- Depression30%
- Chronic kidney disease28%
- Diabetes27%
Share of Medicare patients with each condition. A patient can have several.
Heidi Ehrhardt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Heidi M. Ehrhardt wrote 2,611 Medicare Part D claims in 2024
In 2024, Heidi Ehrhardt wrote 2,611 Medicare Part D claims for 224 patients. 86% of them were for generic drugs. CMS names the drug for 1,976 of them, across 64 drugs with 11 or more claims each, at $75,865 in total drug cost. In 2023, CMS named 2,305 claims across 72 drugs.
Heidi Ehrhardt's Part D claims by kind of drug, 2024
- Generic2,252 claims86%
- Brand-name325 claims12%
- Other34 claims1%
Heidi Ehrhardt'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 Heidi Ehrhardt's Part D claims, 2024
- Opioids4%99 of 2,611 claims
- Antibiotics1%17 of 2,611 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: 2,3052024: 1,97614%
Drugs named by CMS: 64 in 2024, 72 in 2023.
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
Heidi M. Ehrhardt scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Heidi Ehrhardt for performance year 2024, reported as part of a group. Heidi Ehrhardt accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Heidi Ehrhardt's MIPS scores, performance year 2024
- 86of 100Final score
- 68.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Heidi M. Ehrhardt graduated from Wright State University Boonshoft School of Medicine
Heidi Ehrhardt graduated from Wright State University Boonshoft School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Heidi M. Ehrhardt's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Heidi M. Ehrhardt
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Heidi M. Ehrhardt's NPI number?
Heidi M. Ehrhardt's NPI number is 1538126354. It was assigned on April 26, 2006, and it is active in the NPI Registry.
What does Heidi M. Ehrhardt specialize in?
Heidi M. Ehrhardt is an internist in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Heidi M. Ehrhardt practice?
Heidi Ehrhardt practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. Heidi Ehrhardt's primary practice is University Hospital in Ann Arbor in Ann Arbor, Michigan. Dmand AI also links Heidi Ehrhardt to 1 group practice or clinic.
What is Heidi M. Ehrhardt's office phone number?
The practice phone on file for Heidi Ehrhardt is (734) 936-4000.
What is Heidi M. Ehrhardt's medical license number?
Heidi Ehrhardt holds Kentucky license 48489.
Which hospitals is Heidi M. Ehrhardt affiliated with?
Heidi Ehrhardt is affiliated with University of Kentucky Albert B. Chandler Hospital.
What medical group is Heidi M. Ehrhardt part of?
Heidi Ehrhardt is linked to University of Kentucky General Pediatrics.
Does Heidi M. Ehrhardt accept Medicare?
Yes. CMS data shows Heidi Ehrhardt billed Medicare for 148 services in 2024, and Heidi Ehrhardt accepts Medicare assignment.
What is Heidi M. Ehrhardt's MIPS score?
Heidi Ehrhardt's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Heidi M. Ehrhardt see?
CMS counts 83 Medicare patients who saw Heidi Ehrhardt in 2024, with an average age of 68.
Show 4 more questionsShow fewer questions
What services does Heidi M. Ehrhardt bill to Medicare?
In 2024, Heidi Ehrhardt's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).
Where did Heidi M. Ehrhardt go to medical school?
Heidi Ehrhardt graduated from Wright State University Boonshoft School of Medicine in 1994.
What drugs does Heidi M. Ehrhardt prescribe most?
In 2024 Medicare Part D data, Heidi Ehrhardt's most prescribed drugs by claims were Gabapentin, Atorvastatin Calcium and Levothyroxine Sodium.
How long has Heidi M. Ehrhardt been practicing?
Heidi Ehrhardt graduated from medical school in 1994, 32 years ago.
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