Mary Catherine Ridgeway, MD
Internal Medicine Physician · Wenatchee, WA
Mary Catherine Ridgeway, MD is an internal medicine physician with a practice address in Wenatchee, Washington, and NPI 1477585875, issued on Jul 7, 2006. Check the license (Washington MD00041079, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Mary Catherine Ridgeway
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD00041079 WA
Self-reported in NPPES; status is on the state search - Practice location
- 820 N Chelan Ave, Wenatchee, WA 98801
- Phone
- (509) 663-8711
- Enumerated
- Jul 7, 2006
- Record last updated
- May 13, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 1477585875 WA
- Medicare enrollment
- Enrolled (PECOS I20100113000451); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 820 N Chelan Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Catherine Ridgeway in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00041079Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average internal medicine physician in 2024
8,889 Medicare Part D claims for 546 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 683 claims were for opioids.
Most prescribed
- Atorvastatin Calcium391 claims
- Omeprazole358 claims
- Lisinopril331 claims
- Levothyroxine Sodium324 claims
- Losartan Potassium311 claims
- Metoprolol Succinate265 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.
Bills Medicare through 2 group practices
- Central Washington Health Services AssociationWenatchee, WA
- Wenatchee Valley HospitalEphrata, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Catherine Ridgeway among 3,079 internal medicine physician records in Washington
Mary Catherine Ridgeway, MD is one of 3,079 internal medicine physician records with a practice address in Washington. 75% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1999 · median 2006 among the 1,852 with a school on file
- Record last updated2014 · 63% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 internal medicine physician records list a practice address in Wenatchee
They are 42 of the 2,290 NPPES records with a practice address in Wenatchee, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Wenatchee → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Brent Barber, M.D.Wenatchee, WA 988011023014065
- Charles Bricker, MDWenatchee, WA 988011871520536
- Lisa Burgett, M.D.Wenatchee, WA 988011891731139
- Gail Feinman, MDWenatchee, WA 988011639106388
- Russell Havlicek, MDWenatchee, WA 988011861423741
- Alicia Hodge, M.D.Wenatchee, WA 988011720036411
- Toby Long, M.D.Wenatchee, WA 988011033116215
- Paul Miller, MDWenatchee, WA 988011992744106
Common questions
What is Mary Catherine Ridgeway, MD's NPI number?
Mary Catherine Ridgeway, MD's National Provider Identifier (NPI) is 1477585875, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Catherine Ridgeway, MD located?
The NPPES record lists a practice address at 820 N Chelan Ave, Wenatchee, WA, 98801. Phone: (509) 663-8711. Providers update this record themselves, so call before visiting.
How can I verify Mary Catherine Ridgeway, MD's license?
NPPES lists Washington license number MD00041079, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Catherine Ridgeway, MD prescribe under Medicare Part D?
In 2024, Mary Catherine Ridgeway, MD had 8,889 Medicare Part D claims for 546 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.