Luis G. Ortiz, MD
Internal Medicine Physician · Kalamazoo, MI
Luis G. Ortiz, MD is an internal medicine physician with a practice address in Kalamazoo, Michigan, and NPI 1245200716, issued on Jan 25, 2006. Check the license (Michigan 4301053328, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Luis G. Ortiz
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4301053328 MI
Self-reported in NPPES; status is on the state search - Practice location
- 5629 Stadium Dr, Kalamazoo, MI 49009
- Phone
- (269) 544-3276
- Enumerated
- Jan 25, 2006
- Record last updated
- Nov 27, 2023
- Fax
- (269) 544-3288
- Medicaid ID
- 4178016 MI
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 5629 Stadium Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Maureen Dobbie, NPNurse Practitioner1154392439
- Colleen Dodich, MDPediatrics Physician1699989384
- Kelli Dodson-Hunt, DOPediatrics Physician1851594659
Verify Luis G. Ortiz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301053328Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average internal medicine physician in 2024
6,987 Medicare Part D claims for 563 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 212 claims were for opioids.
Most prescribed
- Atorvastatin Calcium520 claims
- Levothyroxine Sodium332 claims
- Amlodipine Besylate308 claims
- Rosuvastatin Calcium267 claims
- Lisinopril169 claims
- Tamsulosin Hcl167 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.
Luis G. Ortiz among 5,735 internal medicine physician records in Michigan
Luis G. Ortiz, MD is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
158 internal medicine physician records list a practice address in Kalamazoo
They are 158 of the 6,553 NPPES records with a practice address in Kalamazoo, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Kalamazoo → Internal Medicine Physician nationwide →
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- Katherine Bolton, DOKalamazoo, MI 490091780113258
- Albert Cabala, MDKalamazoo, MI 490091124098694
- Sara Custodio, M.D.Kalamazoo, MI 490091417162173
- Stephen Dallas, M.D., M.A.Kalamazoo, MI 490091356393482
- Branko Grinfeld, M.D.Kalamazoo, MI 490091356436976
Common questions
What is Luis G. Ortiz, MD's NPI number?
Luis G. Ortiz, MD's National Provider Identifier (NPI) is 1245200716, issued on Jan 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Luis G. Ortiz, MD located?
The NPPES record lists a practice address at 5629 Stadium Dr, Kalamazoo, MI, 49009. Phone: (269) 544-3276. Providers update this record themselves, so call before visiting.
How can I verify Luis G. Ortiz, MD's license?
NPPES lists Michigan license number 4301053328, 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 Luis G. Ortiz, MD prescribe under Medicare Part D?
In 2024, Luis G. Ortiz, MD had 6,987 Medicare Part D claims for 563 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.