Dr. Michael Walter Fill, DO

  • Jackson, MI
  • Emergency medicine physician
NPI1487866976PAC ID3779633722
Medicare services, 2024
808
Medicare patients, 2024
561
Part D claims, 2024
147
Publications
34
Hospital affiliations
2
Practice address
205 N East Ave, Jackson, MI 49201
Practice phone
Call (517) 788-4800
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Henry Ford Jackson Hospital

Hospital · Jackson, Michigan

See all 5 affiliations

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Dr. Michael Walter Fill is an emergency medicine physician in Jackson, Michigan

Dr. Fill practices at Henry Ford Jackson Hospital in Jackson, Michigan, part of Henry Ford Health.

Dr. Fill's NPI, 1487866976, was assigned on May 4, 2007. Dr. Fill graduated from Lake Erie College of Osteopathic Medicine, Erie in 2005. Dr. Fill holds Michigan license 5101016586.

NPI and contact details
Medicare PAC ID
3779633722
NPI enumeration date
May 4, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(517) 788-4800
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
47
Medical school graduation
2005

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

Dr. Michael Walter Fill practices at Henry Ford Jackson Hospital in Jackson, Michigan

Dr. Fill's primary practice is Henry Ford Jackson Hospital, at 205 N East Ave, Jackson, MI 49201 in Jackson County. The practice phone is (517) 788-4800.

Source: Dmand AI Affiliation Data

Dr. Michael Walter Fill is affiliated with 2 sites of care and 3 medical groups

Dr. Fill's primary practice is Henry Ford Jackson Hospital in Jackson, Michigan, part of Henry Ford Health. Dr. Fill is also affiliated with Henry Ford Providence Southfield Hospital. The medical group on file is Independent Emergency Physicians. Dmand AI also links Dr. Fill to 2 more medical groups, each named with a free account.

See all 5 affiliations for Dr. Fill

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Michael Walter Fill's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fill practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Henry Ford Jackson HospitalAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael Walter Fill is one of 2,045 emergency medicine physicians in Michigan

Emergency medicine is Dr. Fill's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Fill is licensed in Michigan.

Specialties and state licenses

  • Emergency medicine, MichiganPrimaryLicense 5101016586 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Fill

Counts of emergency medicine physicians 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. Michael Walter Fill billed Medicare for 808 services in 2024

CMS data shows 808 Medicare services from Dr. Fill across 10 procedure codes in 2024, for 561 Medicare patients. Medicare paid $75,619 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024808
Medicare patients561
Paid by Medicare$75,619
Procedure codes10

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

  • 2023
  • 2024
Office and hospital visits
2023: 5832024: 6196%
Tests and treatments
2023: 2722024: 18931%

Dr. Fill compared with the Michigan median for emergency medicine physicians, 2024

  • Dr. Fill
  • Michigan median
Medicare services
808vs 2343.5 times
Medicare patients
561vs 2142.6 times
Part D claims
29vs 4637% below

Medians across 1,937 emergency medicine physicians in Michigan with Dmand AI profiles that report each measure.

Dr. Fill'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. Fill

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fill and other emergency medicine physicians in Michigan.

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

Dr. Michael Walter Fill treated 561 Medicare patients in 2024, average age 73

CMS counts 561 Medicare patients who saw Dr. Fill in 2024. The largest group is 75 to 84, with 190 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 31% are also on Medicaid. Their average risk score is 2.01, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Fill's median patient age at 60, with 54% women.

Medicare patients, 2024561
Average age73
Average risk score2.01
Also on Medicaid31%

Dr. Fill's Medicare patients by age, 2024

Dr. Fill's Medicare patients by sex, 2024

  • Women31356%
  • Men24844%

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

  1. High blood pressure75%
  2. High cholesterol72%
  3. Arthritis53%
  4. Ischemic heart disease46%
  5. Mood disorders46%
  6. Anxiety42%
  7. Depression41%
  8. Heart failure41%

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

Dr. Fill's patients across all payers

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

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women54%
  • Men46%

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

Dr. Michael Walter Fill wrote 147 Medicare Part D claims in 2024

In 2024, Dr. Fill wrote 147 Medicare Part D claims for 99 patients. 91% of them were for generic drugs. CMS names the drug for 29 of them, across 2 drugs with 11 or more claims each, at $110 in total drug cost. In 2023, CMS named 38 claims across 3 drugs.

Part D claims, 2024147
Drugs named by CMS2
Total drug cost$110
Part D patients99

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

  • Generic134 claims91%
  • Brand-name and other13 claims9%

Dr. Fill'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. Fill's Part D claims, 2024

  • Antibiotics18%27 of 147 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: 382024: 2924%

Drugs named by CMS: 2 in 2024, 3 in 2023.

See all prescribing by Dr. Fill

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

How Dr. Michael Walter Fill takes part in Medicare

Dr. Fill 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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Dr. Michael Walter Fill has 34 publications on record

Dmand AI links 34 papers to Dr. Fill, published from 2011 to 2024. 2016 was the busiest year, with 4. The most frequent topics are Calcium, Ryanodine Receptor Calcium Release Channel and Calcium Signaling. Dr. Fill has published most often in Circ Res. Dr. Fill's most frequent co-authors are Silvia Priori, MD, PhD, Gelique Ayala, MD and Richard W. Byrne, MD.

Papers34
Years published2011 to 2024

Dr. Fill's papers by year, 2014 to 2024

Topics Dr. Fill writes about most

  • Calcium
  • Ryanodine Receptor Calcium Release Channel
  • Calcium Signaling
  • Sarcoplasmic Reticulum
  • Arrhythmias, Cardiac
  • Myocytes, Cardiac
  • HEK293 Cells
  • Ion Channel Gating

Dr. Fill's most frequent co-authors

Recent publications by Dr. Fill

See all 34 publications and co-authors

See who Dr. Fill researches with

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

How network discovery works

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

Dr. Michael Walter Fill received $371 in industry payments from 2016 to 2023

CMS Open Payments shows 17 general payments to Dr. Fill from 7 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $93.

General payments to Dr. Fill by program year, 2016 to 2023

Companies that paid Dr. Fill the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Fill

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Michael Walter Fill graduated from Lake Erie College of Osteopathic Medicine, Erie

Dr. Fill graduated from Lake Erie College of Osteopathic Medicine, Erie in 2005.

  1. Medical schoolLake Erie College of Osteopathic Medicine, Erie

Source: Dmand AI Professional Profile Data

Sources for Dr. Michael Walter Fill'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 DataDmand AI Org Hierarchy 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
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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. Michael Walter Fill

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. Michael Walter Fill's NPI number?

Dr. Michael Walter Fill's NPI number is 1487866976. It was assigned on May 4, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael Walter Fill?

Dr. Michael Walter Fill is an emergency medicine physician in Jackson, Michigan. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Michael Walter Fill practice?

Dr. Fill practices at 205 N East Ave, Jackson, MI 49201. Dr. Fill's primary practice is Henry Ford Jackson Hospital in Jackson, Michigan, part of Henry Ford Health. Dmand AI also links Dr. Fill to 2 medical groups.

What is Dr. Michael Walter Fill's office phone number?

The practice phone on file for Dr. Fill is (517) 788-4800.

What is Dr. Michael Walter Fill's medical license number?

Dr. Fill holds Michigan license 5101016586.

Which hospitals is Dr. Michael Walter Fill affiliated with?

Dr. Fill practices at Henry Ford Jackson Hospital in Jackson, Michigan. Dr. Fill is also affiliated with Henry Ford Providence Southfield Hospital.

What medical group is Dr. Michael Walter Fill part of?

Dr. Fill is linked to Independent Emergency Physicians. Dmand AI links Dr. Fill to 2 more medical groups.

Does Dr. Michael Walter Fill accept Medicare?

Yes. CMS data shows Dr. Fill billed Medicare for 808 services in 2024, and Dr. Fill accepts Medicare assignment.

How many Medicare patients does Dr. Michael Walter Fill see?

CMS counts 561 Medicare patients who saw Dr. Fill in 2024, with an average age of 73.

What services does Dr. Michael Walter Fill bill to Medicare?

In 2024, Dr. Fill's most billed Medicare services were emergency department visit (99285), heart test or procedure (93042) and emergency department visit (99284).

Show 6 more questionsShow fewer questions

Where did Dr. Michael Walter Fill go to medical school?

Dr. Fill graduated from Lake Erie College of Osteopathic Medicine, Erie in 2005.

What drugs does Dr. Michael Walter Fill prescribe most?

In 2024 Medicare Part D data, Dr. Fill's most prescribed drugs by claims were Ibuprofen and Ondansetron ODT.

Has Dr. Michael Walter Fill received payments from drug or device companies?

CMS Open Payments shows $371 in general payments to Dr. Fill from 7 companies from 2016 to 2023. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Michael Walter Fill been practicing?

Dr. Fill graduated from medical school in 2005, 21 years ago.

Does Dr. Michael Walter Fill do research?

Dmand AI links 34 publications to Dr. Fill, published from 2011 to 2024.

Who does Dr. Michael Walter Fill publish with?

Dr. Fill's most frequent co-authors are Silvia Priori, MD, PhD (2 shared papers), Gelique Ayala, MD (1 shared paper) and Richard W. Byrne, MD (1 shared paper).

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