Ralph P. Crew, D.O.
Ophthalmology Physician · Big Rapids, MI
Ralph P. Crew, D.O. is an ophthalmology physician with a practice address in Big Rapids, Michigan, and NPI 1639281934, issued on Aug 31, 2006. Check the license (Michigan RC008359, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Ralph P. Crew
- Credential
- D.O.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- RC008359 MI
Self-reported in NPPES; status is on the state search - Practice location
- 650 Linden St, Big Rapids, MI 49307
- Phone
- (231) 796-0010
- Enumerated
- Aug 31, 2006
- Record last updated
- Dec 20, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (231) 796-2496
- Medicare enrollment
- Enrolled (PECOS I20040820001026); accepts Medicare assignment
- Medical or professional school
- Ohio University, College Of Osteopathic Medicine, 1981
- Entity
- Type 1 · individual
Also registered at 650 Linden St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Peter Baar, P.A.C.Physician Assistant1467471581
- Julie Boss, DOOphthalmology Physician1740392059
- Jerome Conrad, M.D.Orthopaedic Surgery Physician1851307052
- Andria Keusch, P.A.C.Physician Assistant1225057409
- Peter Macdonald, M.D.Family Medicine Physician1699797092
- Michael Mekaru, M.D.Pediatrics Physician1073506903
Verify Ralph P. Crew in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license RC008359Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
26% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,117 Medicare Part D claims for 293 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Latanoprost339 claims
- Prednisolone Acetate185 claims
- Acetazolamide171 claims
- Timolol Maleate99 claims
- Dorzolamide-Timolol82 claims
- Dorzolamide Hcl49 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: $72.17
4 payments; by number, the most common kind was food and beverage; the largest payer was Dompe US, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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
- Rapids Ophthalmology, PCBig Rapids, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ophthalmology Physician providers in Michigan
There are 791 ophthalmology physician records in Michigan.
Other ophthalmology physician records in Michigan
- Munzer Abdulhak, M.D.Portage, MI1316155864
- Gary Abrams, MDDetroit, MI1831136431
- James Adams, MDYpsilanti, MI1871501577
- Howard Adelson, D.O.Northville, MI1982691739
- Todd Adelson, D.ONorthville, MI1124088075
- Anju Aggarwal, MDTaylor, MI1053571034
- Ashim Aggarwal, M.D.East Lansing, MI1891779286
- Himanshu Aggarwal, MDTaylor, MI1356505010
- Shareef Ahmed, MDDearborn, MI1770789646
- Michelle Akler, MDDearborn, MI1639150899
Common questions
What is Ralph P. Crew, D.O.'s NPI number?
Ralph P. Crew, D.O.'s National Provider Identifier (NPI) is 1639281934, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ralph P. Crew, D.O. located?
The NPPES record lists a practice address at 650 Linden St, Big Rapids, MI, 49307. Phone: (231) 796-0010. Providers update this record themselves, so call before visiting.
How can I verify Ralph P. Crew, D.O.'s license?
NPPES lists Michigan license number RC008359, 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 Ralph P. Crew, D.O. prescribe under Medicare Part D?
In 2024, Ralph P. Crew, D.O. had 1,117 Medicare Part D claims for 293 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.