Julia Serge Greer, M.D.
Gastroenterology Physician · Novi, MI
Julia Serge Greer, M.D. is a gastroenterology physician with a practice address in Novi, Michigan, and NPI 1437154200, issued on Jun 16, 2005. Check the license (Michigan 4301073544, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Julia Serge Greer
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 4301073544 MI
Self-reported in NPPES; status is on the state search - Practice location
- 26850 Providence Pkwy, Novi, MI 48374
- Phone
- (248) 662-4110
- Enumerated
- Jun 16, 2005
- Record last updated
- Apr 22, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (248) 662-4120
- Medicaid ID
- 4721580 MI
- Medicare enrollment
- Enrolled (PECOS I20050428000437); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 550 in Michigan → Look up another NPI →
Also registered at 26850 Providence Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael Balon, M.D.Family Medicine Physician1144297805
- Aarti Batavia, M.S., R.D., C.L.T.Registered Dietitian1831493717
- Anita Bodiya, M.D.Family Medicine Physician1619944741
Verify Julia Serge Greer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301073544Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average gastroenterology physician in 2024
845 Medicare Part D claims for 243 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Omeprazole330 claims
- Pantoprazole Sodium99 claims
- Famotidine60 claims
- Budesonide Dr34 claims
- Mesalamine29 claims
- Ursodiol26 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $18.40
1 payment: food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Comprehensive GI Solutions PLLCFarmington Hills, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Julia Serge Greer among 550 gastroenterology physician records in Michigan
Julia Serge Greer, M.D. is one of 550 gastroenterology physician records with a practice address in Michigan. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1993 · median 2003 among the 415 with a school on file
- Record last updated2014 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Michigan
There are 550 gastroenterology physician records in Michigan.
All 550 in Michigan → Every provider in Novi → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Ihab Kassab, MDNovi, MI 483741942695853
- Neam Mahmood, MDNovi, MI 483741982269254
- Laurence Stawick, M.D.Novi, MI 483741710953914
- Najwa El-NachefNovi, MI 483771336266493
- Jason Schairer, M.D.Novi, MI 483771811017353
- Iana Stonier, M.D.Novi, MI 483771750813234
- Harold Tobes, D.O.Lake Orion, MI 483621679917074
- Dina Bain, DOClarkston, MI 483461790274686
Common questions
What is Julia Serge Greer, M.D.'s NPI number?
Julia Serge Greer, M.D.'s National Provider Identifier (NPI) is 1437154200, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Julia Serge Greer, M.D. located?
The NPPES record lists a practice address at 26850 Providence Pkwy, Novi, MI, 48374. Phone: (248) 662-4110. Providers update this record themselves, so call before visiting.
How can I verify Julia Serge Greer, M.D.'s license?
NPPES lists Michigan license number 4301073544, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Julia Serge Greer, M.D. prescribe under Medicare Part D?
In 2024, Julia Serge Greer, M.D. had 845 Medicare Part D claims for 243 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.