Craig A. Mayr, MD, PHD
Obstetrics & Gynecology Physician · Corvallis, OR
Craig A. Mayr, MD, PHD is an obstetrics & gynecology physician with a practice address in Corvallis, Oregon, and NPI 1437487238, issued on Dec 7, 2009. Check the license (Oregon MD223752, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Craig A. Mayr
- Credential
- MD, PHD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- MD223752 OR
A115060 CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 NW Walnut Blvd Ste 300, Corvallis, OR 97330
- Phone
- (541) 768-4680
- Enumerated
- Dec 7, 2009
- Record last updated
- Mar 21, 2025
- Medicare enrollment
- Enrolled (PECOS I20250225002554); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 400 NW Walnut Blvd Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Bell, PA-CPhysician Assistant1699220228
- Linda Fox, M.D.Obstetrics & Gynecology Physician1366488041
- Zoryana Thompson, PA-CMedical Physician Assistant1285815985
Verify Craig A. Mayr in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD223752Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
434 Medicare Part D claims for 176 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 47 claims were for opioids.
Most prescribed
- Nitrofurantoin Mono-Macro76 claims
- Estradiol64 claims
- Ondansetron Odt45 claims
- Myrbetriq43 claims
- Sulfamethoxazole-Trimethoprim42 claims
- Hydromorphone Hcl40 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: $595.78
6 payments; by number, the most common kind was food and beverage; the largest payer was Caldera Medical, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- Good Samaritan Hospital CorvallisCorvallis, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Obstetrics & Gynecology Physician providers in Oregon
There are 654 obstetrics & gynecology physician records in Oregon.
Other obstetrics & gynecology physician records in Oregon
- Heather Abe, DOBeaverton, OR1265745947
- Diana Ackerman, M.D.Bend, OR1518910710
- Samantha Adkins, MDMilwaukie, OR1790905164
- Michael Adler, MDNewport, OR1033100532
- Elaine Adsit, MDHood River, OR1427048214
- Mary Afsari-Howard, D.O.Portland, OR1356500821
- Asma Ahmad, MDPortland, OR1366466500
- Mary Ann Ahmed, M.D.Bend, OR1265436851
- Stephanie Ahmed, MDPortland, OR1447269170
- Shashi Ajmani, MDRedmond, OR1740255504
Common questions
What is Craig A. Mayr, MD, PHD's NPI number?
Craig A. Mayr, MD, PHD's National Provider Identifier (NPI) is 1437487238, issued on Dec 7, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Craig A. Mayr, MD, PHD located?
The NPPES record lists a practice address at 400 NW Walnut Blvd Ste 300, Corvallis, OR, 97330. Phone: (541) 768-4680. Providers update this record themselves, so call before visiting.
How can I verify Craig A. Mayr, MD, PHD's license?
NPPES lists Oregon license number MD223752, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Craig A. Mayr, MD, PHD prescribe under Medicare Part D?
In 2024, Craig A. Mayr, MD, PHD had 434 Medicare Part D claims for 176 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.