William Ratigan Ranger, M.D.
Vascular Surgery Physician · Kalamazoo, MI
William Ratigan Ranger, M.D. is a vascular surgery physician with a practice address in Kalamazoo, Michigan, and NPI 1235121989, issued on Aug 18, 2005. Check the license (Michigan 4301058472, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- William Ratigan Ranger
- Credential
- M.D.
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License numbers
- 4301058472 MI
WR05847 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1815 Henson Ave, Kalamazoo, MI 49048
- Phone
- (269) 492-6500
- Enumerated
- Aug 18, 2005
- Record last updated
- Jan 31, 2023
- Fax
- (269) 492-6461
- Medicaid IDs
- 4211489 MI
1235121989 MI - Medicare enrollment
- Enrolled (PECOS I20090116000275); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 199 in Michigan → Look up another NPI →
Also registered at 1815 Henson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Bauman, ACNP-BCAcute Care Nurse Practitioner1720375710
- Krishna Jain, M.D.Vascular Surgery Physician1013972769
- Daniel Johnston, MDVascular Surgery Physician1235337726
- Tammy Klemens, N.P.Nurse Practitioner1598952970
- John Munn, M.D.Vascular Surgery Physician1700841459
- Mark Rummel, M.D.Vascular Surgery Physician1285698134
Verify William Ratigan Ranger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301058472Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average vascular surgery physician in 2024
226 Medicare Part D claims for 68 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Clopidogrel113 claims
- Eliquis32 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: $1,165.37
35 payments; by number, the most common kind was food and beverage; the largest payer was Philips North America LLC. The 4,059 providers of this specialty with any payment received $6,178.00 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
- Paragon Health PCKalamazoo, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Ratigan Ranger among 199 vascular surgery physician records in Michigan
William Ratigan Ranger, M.D. is one of 199 vascular surgery physician records with a practice address in Michigan. 80% 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, 88% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1990 · median 2002 among the 134 with a school on file
- Record last updated2023 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in Michigan
There are 199 vascular surgery physician records in Michigan.
All 199 in Michigan → Every provider in Kalamazoo → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- Krishna Jain, M.D.Kalamazoo, MI 490481013972769
- Daniel Johnston, MDKalamazoo, MI 490481235337726
- James McLaren, MDKalamazoo, MI 490481710943725
- John Munn, M.D.Kalamazoo, MI 490481700841459
- Sean Obrien, MDKalamazoo, MI 490481952368896
- Mark Rummel, M.D.Kalamazoo, MI 490481285698134
- Subhash Thakur, MDMarshall, MI 490681770770216
- Abedel Abushmaies, MDBattle Creek, MI 490151003875840
Common questions
What is William Ratigan Ranger, M.D.'s NPI number?
William Ratigan Ranger, M.D.'s National Provider Identifier (NPI) is 1235121989, issued on Aug 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Ratigan Ranger, M.D. located?
The NPPES record lists a practice address at 1815 Henson Ave, Kalamazoo, MI, 49048. Phone: (269) 492-6500. Providers update this record themselves, so call before visiting.
How can I verify William Ratigan Ranger, M.D.'s license?
NPPES lists Michigan license number 4301058472, 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 William Ratigan Ranger, M.D. prescribe under Medicare Part D?
In 2024, William Ratigan Ranger, M.D. had 226 Medicare Part D claims for 68 beneficiaries; the average among vascular surgery physician prescribers was 201. 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.