Dr. John M. Macksood, DO

  • Grand Blanc, MI
  • Gastroenterologist
NPI1952387797PAC ID3779559802
Medicare services, 2024
256
Medicare patients, 2024
248
Part D claims, 2024
1,169
Publications
1
Hospital affiliations
1
Practice address
One Genesys Parkway, Grand Blanc, MI 48439
Practice phone
Call (810) 606-6050
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Henry Ford Genesys Hospital

Hospital · Grand Blanc, Michigan

See all 7 affiliations

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Dr. John M. Macksood is a gastroenterologist in Grand Blanc, Michigan

Dr. Macksood practices at Henry Ford Genesys Hospital in Grand Blanc, Michigan, part of Henry Ford Health.

Dr. Macksood's NPI, 1952387797, was assigned on December 22, 2005. Dr. Macksood graduated from Michigan State University College of Osteopathic Medicine in 1993. Dr. Macksood holds Michigan license 5101012207.

NPI and contact details
Medicare PAC ID
3779559802
NPI enumeration date
December 22, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(810) 606-6050
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
59
Medical school graduation
1993

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

Dr. John M. Macksood practices at 2 locations in Grand Blanc, Michigan

Dr. Macksood's primary practice is Henry Ford Genesys Hospital, at One Genesys Parkway, Grand Blanc, MI 48439 in Genesee County. The practice phone is (810) 606-6050. Dr. Macksood also practices at Ascension Genesys Hospital, 1 Genesys Pkwy, Grand Blanc, MI 48439.

  • Henry Ford Genesys HospitalPrimary
    One Genesys Parkway, Grand Blanc, MI 48439 · Genesee CountyPhone(810) 606-6050
  • Ascension Genesys Hospital
    1 Genesys Pkwy, Grand Blanc, MI 48439 · Genesee CountyPhone(810) 603-8695

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Dr. John M. Macksood is affiliated with 4 sites of care and 3 medical groups

Dr. Macksood's primary practice is Henry Ford Genesys Hospital in Grand Blanc, Michigan, part of Henry Ford Health. The medical group on file is Flint Gastroenterology Associates. Dmand AI also links Dr. Macksood to 2 more group practices and clinics, 2 medical groups and 1 urgent care center, each named with a free account.

See all 7 affiliations for Dr. Macksood

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

Dmand AI tracks the EHR system at Dr. John M. Macksood's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Macksood practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Henry Ford Genesys HospitalAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. John M. Macksood is one of 487 gastroenterologists in Michigan

Gastroenterology is Dr. Macksood's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Macksood is licensed in Michigan.

Specialties and state licenses

  • Gastroenterology, MichiganPrimaryLicense 5101012207 · taxonomy 207RG0100X

Gastroenterologists near Dr. Macksood

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

487gastroenterologists in Michigan
7gastroenterologists in Grand Blanc

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

Dr. John M. Macksood billed Medicare for 256 services in 2024

CMS data shows 256 Medicare services from Dr. Macksood across 10 procedure codes in 2024, for 248 Medicare patients. Medicare paid $27,958 for them.

Medicare services, 2024256
Medicare patients248
Paid by Medicare$27,958
Procedure codes10

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

  • 2023
  • 2024
Office and hospital visits
2023: 1962024: 12337%
Surgery
2023: 1992024: 9552%
Other services
2023: 662024: 3842%

Where Dr. Macksood's Medicare services took place, 2024

  • In an office6224%
  • In a facility19476%

Dr. Macksood compared with the Michigan median for gastroenterologists, 2024

  • Dr. Macksood
  • Michigan median
Medicare services
256vs 32421% below
Medicare patients
248vs 2308% above
Part D claims
948vs 4242.2 times

Medians across 487 gastroenterologists in Michigan with Dmand AI profiles that report each measure.

Dr. Macksood'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. Macksood

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

Dr. John M. Macksood treated 248 Medicare patients in 2024, average age 71

CMS counts 248 Medicare patients who saw Dr. Macksood in 2024. The largest group is 65 to 74, with 124 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.47, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Macksood's median patient age at 67, with 54% women.

Medicare patients, 2024248
Average age71
Average risk score1.47
Also on Medicaid17%

Dr. Macksood's Medicare patients by age, 2024

Dr. Macksood's Medicare patients by sex, 2024

  • Women15462%
  • Men9438%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis55%
  4. Diabetes32%
  5. Anxiety31%
  6. Ischemic heart disease31%
  7. Chronic kidney disease30%
  8. Mood disorders29%

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

Dr. Macksood's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women54%
  • Men45%

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

Dr. John M. Macksood wrote 1,169 Medicare Part D claims in 2024

In 2024, Dr. Macksood wrote 1,169 Medicare Part D claims for 455 patients. 80% of them were for generic drugs. CMS names the drug for 948 of them, across 18 drugs with 11 or more claims each, at $920,903 in total drug cost. In 2023, CMS named 1,137 claims across 17 drugs.

Part D claims, 20241,169
Drugs named by CMS18
Total drug cost$920,903
Part D patients455

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

  • Generic931 claims80%
  • Brand-name238 claims20%

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

  • Antibiotics2%20 of 1,169 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: 1,1372024: 94817%

Drugs named by CMS: 18 in 2024, 17 in 2023.

See all prescribing by Dr. Macksood

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. John M. Macksood takes part in Medicare

Dr. Macksood accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. John M. Macksood has 1 publication on record

Dmand AI links 1 paper to Dr. Macksood in 2020. Dr. Macksood's most frequent co-authors are Matthew P. Chadwick, DO and Leonid Mironovich Shamban, DO.

Papers1

Dr. Macksood's most frequent co-authors

Recent publications by Dr. Macksood

See all 1 publications and co-authors

See who Dr. Macksood researches with

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

How network discovery works

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

Dr. John M. Macksood received $2,885 in industry payments from 2016 to 2025

CMS Open Payments shows 199 general payments to Dr. Macksood from 23 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Abbvie Inc. paid the most, $1,385.

General payments to Dr. Macksood by program year, 2016 to 2025

General payments to Dr. Macksood by kind, 2016 to 2025

$2.9Kin total
  • Food and beverage$2,81097%
  • Education$753%

Companies that paid Dr. Macksood the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Macksood

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

Dr. John M. Macksood graduated from Michigan State University College of Osteopathic Medicine

Dr. Macksood graduated from Michigan State University College of Osteopathic Medicine in 1993.

  1. Medical schoolMichigan State University College of Osteopathic Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. John M. Macksood'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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)Doctors and Clinicians Utilization Data (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. John M. Macksood

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. John M. Macksood's NPI number?

Dr. John M. Macksood's NPI number is 1952387797. It was assigned on December 22, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. John M. Macksood?

Dr. John M. Macksood is a gastroenterologist in Grand Blanc, Michigan. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. John M. Macksood practice?

Dr. Macksood practices at One Genesys Parkway, Grand Blanc, MI 48439. Dr. Macksood also practices at 1 Genesys Pkwy, Grand Blanc, MI 48439. Dr. Macksood's primary practice is Henry Ford Genesys Hospital in Grand Blanc, Michigan, part of Henry Ford Health. Dmand AI also links Dr. Macksood to 2 group practices and clinics, 2 medical groups and 1 urgent care center.

What is Dr. John M. Macksood's office phone number?

The practice phone on file for Dr. Macksood is (810) 606-6050.

What is Dr. John M. Macksood's medical license number?

Dr. Macksood holds Michigan license 5101012207.

Which hospitals is Dr. John M. Macksood affiliated with?

Dr. Macksood practices at Henry Ford Genesys Hospital in Grand Blanc, Michigan.

What medical group is Dr. John M. Macksood part of?

Dr. Macksood is linked to Flint Gastroenterology Associates. Dmand AI links Dr. Macksood to 2 more medical groups.

Does Dr. John M. Macksood accept Medicare?

Yes. CMS data shows Dr. Macksood billed Medicare for 256 services in 2024, and Dr. Macksood accepts Medicare assignment.

How many Medicare patients does Dr. John M. Macksood see?

CMS counts 248 Medicare patients who saw Dr. Macksood in 2024, with an average age of 71.

What services does Dr. John M. Macksood bill to Medicare?

In 2024, Dr. Macksood's most billed Medicare services were hospital inpatient care (99222), surgery: digestive system (45385) and office visit, established patient (99213).

Show 6 more questionsShow fewer questions

Where did Dr. John M. Macksood go to medical school?

Dr. Macksood graduated from Michigan State University College of Osteopathic Medicine in 1993.

What drugs does Dr. John M. Macksood prescribe most?

In 2024 Medicare Part D data, Dr. Macksood's most prescribed drugs by claims were Peg 3350-Electrolyte, Omeprazole and Famotidine.

Has Dr. John M. Macksood received payments from drug or device companies?

CMS Open Payments shows $2,885 in general payments to Dr. Macksood from 23 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. John M. Macksood been practicing?

Dr. Macksood graduated from medical school in 1993, 33 years ago.

Does Dr. John M. Macksood do research?

Dmand AI links 1 publication to Dr. Macksood.

Who does Dr. John M. Macksood publish with?

Dr. Macksood's most frequent co-authors are Matthew P. Chadwick, DO (1 shared paper) and Leonid Mironovich Shamban, DO (1 shared paper).

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