Gretchen Koller, DO
Student in an Organized Health Care Education/Training Program · Detroit, MI
Gretchen Koller, DO is a student in an organized health care education/training program with a practice address in Detroit, Michigan, and NPI 1821771536, issued on Aug 9, 2023. Check the license with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gretchen Koller
- Credential
- DO
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 2799 W Grand Blvd, Detroit, MI 48202
- Phone
- (313) 916-2600
- Enumerated
- Aug 9, 2023
- Record last updated
- Jun 12, 2026
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 8,265 in Michigan → Look up another NPI →
Also registered at 2799 W Grand Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Muhammad Abbas, MDStudent in an Organized Health Care Education/Training Program1417607474
- Omar Abbas, MDAnatomic Pathology & Clinical Pathology Physician1417687450
- Ammaar Abbasi, M.D.Student in an Organized Health Care Education/Training Program1558005157
- Josianne Abboud, MDAnesthesiology Physician1912342791
- Sai Abburi, DOStudent in an Organized Health Care Education/Training Program1124962915
Verify Gretchen Koller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $15.44
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 13,278 providers of this specialty with any payment received $608.08 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.
Gretchen Koller among 8,265 student in an organized health care education/training program records in Michigan
Gretchen Koller, DO is one of 8,265 student in an organized health care education/training program records with a practice address in Michigan. 34% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 31% of them.
- NPI issued2023 · 31% of these records are older, 57% newer
- In a Medicare fileYes · 34% of these records are
- In the CMS Doctors and Clinicians fileNo · 3% of these records are
- Record last updated2026 · 18% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,351 student in an organized health care education/training program records list a practice address in Detroit
They are 2,351 of the 19,832 NPPES records with a practice address in Detroit, and 8,265 student in an organized health care education/training program records in Michigan.
All 8,265 in Michigan → Every provider in Detroit → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Hardeep Chahil, D.O.Detroit, MI 482021023435211
- April Chisholm, M.S.Detroit, MI 482021750572418
- Leslie Danley, M.D.Detroit, MI 482021881746980
- Nischal Gandreti, M.D.Detroit, MI 482021073739132
- Haidong Huang, M.DDetroit, MI 482021689923351
- Kirandeep Hundal, M.D.Detroit, MI 482021669715272
- Nida Husain, D.O.Detroit, MI 482021235496563
- Anja Jaehne, MDDetroit, MI 482021306189998
Common questions
What is Gretchen Koller, DO's NPI number?
Gretchen Koller, DO's National Provider Identifier (NPI) is 1821771536, issued on Aug 9, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Gretchen Koller, DO located?
The NPPES record lists a practice address at 2799 W Grand Blvd, Detroit, MI, 48202. Phone: (313) 916-2600. Providers update this record themselves, so call before visiting.
How can I verify Gretchen Koller, DO's license?
Search the Michigan board that licenses this profession; the NPPES record confirms identity 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.