Callie Ann Hart
- Medicare patients, 2024
- 227
- Part D claims, 2024
- 1,180
- Hospital affiliations
- 3
- Industry payments
- $1,471
- Medical group
- 1
- Practice address
- 1650 Ramblewood Dr, East Lansing, MI 48823
- Practice phone
- Call (517) 332-1200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Michigan Gastroenterology Institute
East Lansing, Michigan
Find Callie Hart'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.
Callie Ann Hart is a physician assistant in East Lansing, Michigan
Callie Hart practices at Michigan Gastroenterology Institute in East Lansing, Michigan.
Callie Hart's NPI, 1104458942, was assigned on February 10, 2020. Callie Hart graduated from Central Michigan College of Medicine in 2020. Callie Hart holds Michigan license 5315222249.
- NPI
- 1104458942NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325443096
- NPI enumeration date
- February 10, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (517) 332-1200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Callie Ann Hart practices at Michigan Gastroenterology Institute in East Lansing, Michigan
Callie Hart's primary practice is Michigan Gastroenterology Institute, at 1650 Ramblewood Dr, East Lansing, MI 48823 in Ingham County. The practice phone is (517) 332-1200.
- Michigan Gastroenterology Institute1650 Ramblewood Dr, East Lansing, MI 48823 · Ingham CountyPhone(517) 332-1200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Callie Ann Hart is affiliated with 5 sites of care and 1 medical group
Callie Hart's primary practice is Michigan Gastroenterology Institute in East Lansing, Michigan. Callie Hart is also affiliated with University of Michigan Health-Sparrow Lansing. The medical group on file is Center for Digestive Health. Dmand AI also links Callie Hart to 2 more hospitals and 1 group practice or clinic, each 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 Callie Ann Hart's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Callie Hart practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Michigan Gastroenterology Institute | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Callie Ann Hart is one of 5,857 physician assistants in Michigan
Physician assistant is Callie Hart's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Callie Hart is licensed in Michigan.
Specialties and state licenses
- Physician assistant, MichiganPrimary
Physician assistants near Callie Hart
Counts of physician assistants 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
Callie Ann Hart treated 227 Medicare patients in 2024, average age 71
CMS counts 227 Medicare patients who saw Callie Hart in 2024. The largest group is 65 to 74, with 85 patients. 71% of them have high blood pressure, and 70% have high cholesterol. 28% are also on Medicaid. Their average risk score is 1.70, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Callie Hart's median patient age at 62, with 72% women.
Callie Hart's Medicare patients by age, 2024
Callie Hart's Medicare patients by sex, 2024
- Women15669%
- Men7131%
Chronic conditions among Callie Hart's Medicare patients, 2024
- High blood pressure71%
- High cholesterol70%
- Arthritis57%
- Anxiety41%
- Mood disorders38%
- Depression36%
- Diabetes34%
- Ischemic heart disease29%
Share of Medicare patients with each condition. A patient can have several.
Callie Hart's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women72%
- Men28%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Callie Ann Hart wrote 1,180 Medicare Part D claims in 2024
In 2024, Callie Hart wrote 1,180 Medicare Part D claims for 310 patients. 78% of them were for generic drugs.
Callie Hart's Part D claims by kind of drug, 2024
- Generic921 claims78%
- Brand-name and other259 claims22%
Drug classes CMS tracks in Callie Hart's Part D claims, 2024
- Antibiotics3%40 of 1,180 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Callie Ann Hart takes part in Medicare
Callie Hart accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Callie Ann Hart received $1,471 in industry payments in 2025
CMS Open Payments shows 86 general payments to Callie Hart from 19 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $374.
Companies that paid Callie Hart the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Callie Ann Hart graduated from Central Michigan College of Medicine
Callie Hart graduated from Central Michigan College of Medicine in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Callie Ann Hart'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 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 (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) |
| Industry payments | Open Payments (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 Callie Ann Hart
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Callie Ann Hart's NPI number?
Callie Ann Hart's NPI number is 1104458942. It was assigned on February 10, 2020, and it is active in the NPI Registry.
What does Callie Ann Hart specialize in?
Callie Ann Hart is a physician assistant in East Lansing, Michigan. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Callie Ann Hart practice?
Callie Hart practices at 1650 Ramblewood Dr, East Lansing, MI 48823. Callie Hart's primary practice is Michigan Gastroenterology Institute in East Lansing, Michigan. Dmand AI also links Callie Hart to 2 hospitals and 1 group practice or clinic.
What is Callie Ann Hart's office phone number?
The practice phone on file for Callie Hart is (517) 332-1200.
What is Callie Ann Hart's medical license number?
Callie Hart holds Michigan license 5315222249.
Which hospitals is Callie Ann Hart affiliated with?
Callie Hart is affiliated with University of Michigan Health-Sparrow Lansing. Dmand AI links Callie Hart to 2 more hospitals.
What medical group is Callie Ann Hart part of?
Callie Hart is linked to Center for Digestive Health.
Does Callie Ann Hart accept Medicare?
Yes. CMS lists Callie Hart as accepting Medicare assignment.
How many Medicare patients does Callie Ann Hart see?
CMS counts 227 Medicare patients who saw Callie Hart in 2024, with an average age of 71.
Where did Callie Ann Hart go to medical school?
Callie Hart graduated from Central Michigan College of Medicine in 2020.
Has Callie Ann Hart received payments from drug or device companies?
CMS Open Payments shows $1,471 in general payments to Callie Hart from 19 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Callie Ann Hart been practicing?
Callie Hart graduated from medical school in 2020, 6 years ago.
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