Gregorio Tan, MD
Cardiovascular Disease Physician · Kalamazoo, MI
Gregorio Tan, MD is a cardiovascular disease physician with a practice address in Kalamazoo, Michigan, and NPI 1316926751, issued on Jan 13, 2006. Check the license (Michigan 4301067381, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Gregorio Tan
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 4301067381 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1722 Shaffer St, Kalamazoo, MI 49048
- Phone
- (269) 381-3963
- Enumerated
- Jan 13, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (269) 381-2809
- Medicaid ID
- 4387885 MI
- Medicare enrollment
- Enrolled (PECOS I20040712001404); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 860 in Michigan → Look up another NPI →
Also registered at 1722 Shaffer St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paulette Banghart, LMSWClinical Social Worker1831398379
- Amy Bensett, PAPhysician Assistant1699875781
- Rebecca Blades, NPNurse Practitioner1588916316
- Frank Chen, MDClinical Cardiac Electrophysiology Physician1861406555
- Denise Crawford, MSW, RSWSocial Worker1386688430
- William DyerPsychologist1033229034
Verify Gregorio Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301067381Check 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% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
2,970 Medicare Part D claims for 479 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Metoprolol Succinate374 claims
- Eliquis272 claims
- Atorvastatin Calcium226 claims
- Metoprolol Tartrate208 claims
- Xarelto189 claims
- Rosuvastatin Calcium139 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 97.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $116.37
4 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 16,686 providers of this specialty with any payment received $3,819.56 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 2 group practices
- Ascension Borgess HospitalKalamazoo, MI
- Ascension Medical Group PromedPortage, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregorio Tan among 860 cardiovascular disease physician records in Michigan
Gregorio Tan, MD is one of 860 cardiovascular disease physician records with a practice address in Michigan. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 20% of them.
- NPI issued2006 · 20% of these records are older, 44% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1979 · median 1999 among the 606 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Michigan
There are 860 cardiovascular disease physician records in Michigan.
All 860 in Michigan → Every provider in Kalamazoo → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- William Campbell, MDKalamazoo, MI 490481811972334
- Philip Dawson, MDKalamazoo, MI 490481477538494
- Umakant Doctor, M.D.Kalamazoo, MI 490481649273855
- Ryan Jamoua, M.D.Kalamazoo, MI 490481255695987
- Anthony KingKalamazoo, MI 490481194700104
- Min Luo, D.O.Kalamazoo, MI 490481962663906
- Joseph Prano, D.O.Kalamazoo, MI 490481124447347
- Alicia WilliamsKalamazoo, MI 490481649256314
Common questions
What is Gregorio Tan, MD's NPI number?
Gregorio Tan, MD's National Provider Identifier (NPI) is 1316926751, issued on Jan 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregorio Tan, MD located?
The NPPES record lists a practice address at 1722 Shaffer St, Kalamazoo, MI, 49048. Phone: (269) 381-3963. Providers update this record themselves, so call before visiting.
How can I verify Gregorio Tan, MD's license?
NPPES lists Michigan license number 4301067381, 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 Gregorio Tan, MD prescribe under Medicare Part D?
In 2024, Gregorio Tan, MD had 2,970 Medicare Part D claims for 479 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Gregorio Tan, MD's MIPS final score?
The 2023 MIPS final score is 97.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.