Crystal Angela Ruemenapp, O.D.
Optometrist · East Tawas, MI
Crystal Angela Ruemenapp, O.D. is an optometrist with a practice address in East Tawas, Michigan, and NPI 1225636095, issued on Oct 14, 2020. Check the license (Michigan 4901005466, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Crystal Angela Ruemenapp
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 4901005466 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1691 E US 23 Ste 2, East Tawas, MI 48730
- Phone
- (989) 362-9546
- Enumerated
- Oct 14, 2020
- Record last updated
- Oct 14, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (989) 362-9567
- Medicare enrollment
- Enrolled (PECOS I20210608003558); accepts Medicare assignment
- Medical or professional school
- Ferris State College - College Of Optometry, 2020
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,963 in Michigan → Look up another NPI →
Verify Crystal Angela Ruemenapp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 4901005466Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average optometrist in 2024
165 Medicare Part D claims for 45 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Latanoprost70 claims
- Brimonidine Tartrate27 claims
- Timolol Maleate26 claims
- Doxycycline Hyclate14 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.
Crystal Angela Ruemenapp among 1,963 optometrist records in Michigan
Crystal Angela Ruemenapp, O.D. is one of 1,963 optometrist records with a practice address in Michigan. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 83% of them.
- NPI issued2020 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2020 · median 2009 among the 1,121 with a school on file
- Record last updated2020 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 optometrist record lists a practice address in East Tawas
They are 1 of the 108 NPPES records with a practice address in East Tawas, and 1,963 optometrist records in Michigan.
All 1,963 in Michigan → Every provider in East Tawas → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Daniel Smith, ODE Tawas, MI 487301215029350
- Jay Bosco, ODEssexville, MI 487321649274101
- Angela Lounsbury, O.D.Cass City, MI 487261841553245
- Christopher Zehnder, ODFrankenmuth, MI 487341679578124
- Claire Starling, ODCaro, MI 487231013561299
- Carol Starling, ODCaro, MI 487231043268030
- Benjamin Dietrich, O.D.Harrisville, MI 487401073952297
- Teresa Ennis-Decker, O.D.Millington, MI 487461154322956
Common questions
What is Crystal Angela Ruemenapp, O.D.'s NPI number?
Crystal Angela Ruemenapp, O.D.'s National Provider Identifier (NPI) is 1225636095, issued on Oct 14, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Crystal Angela Ruemenapp, O.D. located?
The NPPES record lists a practice address at 1691 E US 23 Ste 2, East Tawas, MI, 48730. Phone: (989) 362-9546. Providers update this record themselves, so call before visiting.
How can I verify Crystal Angela Ruemenapp, O.D.'s license?
NPPES lists Michigan license number 4901005466, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Crystal Angela Ruemenapp, O.D. prescribe under Medicare Part D?
In 2024, Crystal Angela Ruemenapp, O.D. had 165 Medicare Part D claims for 45 beneficiaries; the average among optometrist prescribers was 277. 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.