Dr. John D. Serini, DO

  • Wyoming, MI
  • Gastroenterologist
NPI1285679589PAC ID8628099801
Medicare services, 2024
223
Medicare patients, 2024
66
Part D claims, 2024
242
Hospital affiliations
1
Industry payments
$3,175
Practice address
2093 Health SW Dr, Wyoming, MI 49519
Practice phone
Call (616) 828-5727
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Gastroenterology Consultants PLC

Wyoming, Michigan

See all 4 affiliations

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Dr. John D. Serini is a gastroenterologist in Wyoming, Michigan

Dr. Serini practices at Gastroenterology Consultants PLC in Wyoming, Michigan.

Dr. Serini's NPI, 1285679589, was assigned on June 19, 2006. Dr. Serini graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1977. Dr. Serini holds Michigan license 5101007294.

NPI and contact details
Medicare PAC ID
8628099801
NPI enumeration date
June 19, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(616) 828-5727
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
75
Medical school graduation
1977

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

Dr. John D. Serini practices at Gastroenterology Consultants PLC in Wyoming, Michigan

Dr. Serini's primary practice is Gastroenterology Consultants PLC, at 2093 Health SW Dr, Wyoming, MI 49519 in Kent County. The practice phone is (616) 828-5727.

  • Gastroenterology Consultants PLC
    2093 Health SW Dr, Wyoming, MI 49519 · Kent CountyPhone(616) 828-5727

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

Dr. John D. Serini is affiliated with 3 sites of care and 1 medical group

Dr. Serini's primary practice is Gastroenterology Consultants PLC in Wyoming, Michigan. Dr. Serini is also affiliated with Holland Hospital. The medical group on file is Gastroenterology Consultants. Dmand AI also links Dr. Serini to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Serini

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

Dmand AI tracks the EHR system at Dr. John D. Serini's practice

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

EHR by site
SiteEHR vendor and product
Gastroenterology Consultants PLCAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John D. Serini is one of 487 gastroenterologists in Michigan

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

Specialties and state licenses

  • Gastroenterology, MichiganPrimaryLicense 5101007294 · taxonomy 207RG0100X

Gastroenterologists near Dr. Serini

Counts of gastroenterologists 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. John D. Serini billed Medicare for 223 services in 2024

CMS data shows 223 Medicare services from Dr. Serini across 5 procedure codes in 2024, for 66 Medicare patients. Medicare paid $24,838 for them. Every service was in an office.

Medicare services, 2024223
Medicare patients66
Paid by Medicare$24,838
Procedure codes5

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

  • 2023
  • 2024
Surgery
2023: 882024: 845%
Other services
2023: 702024: 734%
Tests and treatments
2023: 682024: 663%

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

  • Dr. Serini
  • Michigan median
Medicare services
223vs 32431% below
Medicare patients
66vs 23071% below
Part D claims
199vs 42453% below

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

Dr. Serini'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. Serini

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Serini and other gastroenterologists in Michigan.

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

Dr. John D. Serini treated 66 Medicare patients in 2024, average age 71

CMS counts 66 Medicare patients who saw Dr. Serini in 2024. The largest group is 65 to 74, with 49 patients. 71% of them have high cholesterol, and 62% have high blood pressure. Their average risk score is 0.84, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Serini's median patient age at 67, with 49% women.

Medicare patients, 202466
Average age71
Average risk score0.84

Dr. Serini's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Serini's Medicare patients by sex, 2024

  • Women2944%
  • Men3756%

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

  1. High cholesterol71%
  2. High blood pressure62%
  3. Arthritis33%
  4. Diabetes21%
  5. Ischemic heart disease20%
  6. Anxiety18%

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

Dr. Serini'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

  • Women49%
  • Men51%

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

Dr. John D. Serini wrote 242 Medicare Part D claims in 2024

In 2024, Dr. Serini wrote 242 Medicare Part D claims for 216 patients. 56% of them were for generic drugs. CMS names the drug for 199 of them, across 2 drugs with 11 or more claims each, at $4,955 in total drug cost. In 2023, CMS named 259 claims across 2 drugs.

Part D claims, 2024242
Drugs named by CMS2
Total drug cost$4,955
Part D patients216

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

  • Generic136 claims56%
  • Brand-name106 claims44%

Dr. Serini'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2592024: 19923%

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

See all prescribing by Dr. Serini

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 D. Serini takes part in Medicare

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

Accepts Medicare assignment
Yes

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

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 D. Serini received $3,175 in industry payments from 2016 to 2025

CMS Open Payments shows 262 general payments to Dr. Serini from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Janssen Pharmaceuticals, Inc paid the most, $959.

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

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

$3.2Kin total
  • Food and beverage$3,14099%
  • Gifts$361%

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

Share is of all general payments to this clinician.

See all payments to Dr. Serini

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

Dr. John D. Serini graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville

Dr. Serini graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1977.

  1. Medical schoolAt Still University of Health Sciences, College of Osteo Med, Kirksville

Source: Dmand AI Professional Profile Data

Sources for Dr. John D. Serini'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 Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
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 D. Serini

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 D. Serini's NPI number?

Dr. John D. Serini's NPI number is 1285679589. It was assigned on June 19, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John D. Serini?

Dr. John D. Serini is a gastroenterologist in Wyoming, Michigan. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. John D. Serini practice?

Dr. Serini practices at 2093 Health SW Dr, Wyoming, MI 49519. Dr. Serini's primary practice is Gastroenterology Consultants PLC in Wyoming, Michigan. Dmand AI also links Dr. Serini to 1 group practice or clinic.

What is Dr. John D. Serini's office phone number?

The practice phone on file for Dr. Serini is (616) 828-5727.

What is Dr. John D. Serini's medical license number?

Dr. Serini holds Michigan license 5101007294.

Which hospitals is Dr. John D. Serini affiliated with?

Dr. Serini is affiliated with Holland Hospital.

What medical group is Dr. John D. Serini part of?

Dr. Serini is linked to Gastroenterology Consultants.

Does Dr. John D. Serini accept Medicare?

Yes. CMS data shows Dr. Serini billed Medicare for 223 services in 2024, and Dr. Serini accepts Medicare assignment.

How many Medicare patients does Dr. John D. Serini see?

CMS counts 66 Medicare patients who saw Dr. Serini in 2024, with an average age of 71.

What services does Dr. John D. Serini bill to Medicare?

In 2024, Dr. Serini's most billed Medicare services were medicare service (G0500), special service (99153) and surgery: digestive system (45380).

Show 4 more questionsShow fewer questions

Where did Dr. John D. Serini go to medical school?

Dr. Serini graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1977.

What drugs does Dr. John D. Serini prescribe most?

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

Has Dr. John D. Serini received payments from drug or device companies?

CMS Open Payments shows $3,175 in general payments to Dr. Serini from 16 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. John D. Serini been practicing?

Dr. Serini graduated from medical school in 1977, 49 years ago.

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