Samuel Rayapati, M.D
Internal Medicine Physician · Walla Walla, WA
Samuel Rayapati, M.D is an internal medicine physician with a practice address in Walla Walla, Washington, and NPI 1235225285, issued on Oct 5, 2006. Check the license on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Samuel Rayapati
- Credential
- M.D
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 037345 GA
Self-reported in NPPES; status is on the state search - Practice location
- 77 Wainwright Dr, Walla Walla, WA 99362
- Phone
- (509) 525-5200
- Enumerated
- Oct 5, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (509) 526-6204
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 77 Wainwright Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carlos Acevedo, MDNeurology Physician1619059870
- Heather Adkins, LISCWClinical Social Worker1003202854
- Katelyn AguilarRegistered Nurse1184592941
- Mara Alonso, RNRegistered Nurse1346108396
- Alessa Anderson, AGNP-CPrimary Care Nurse Practitioner1649905324
- Amy Anderson, RNAmbulatory Care Registered Nurse1841487188
Verify Samuel Rayapati in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical CommissionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average internal medicine physician in 2024
373 Medicare Part D claims for 42 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Quetiapine Fumarate25 claims
- Furosemide20 claims
- Eliquis19 claims
- Buspirone Hcl17 claims
- Atorvastatin Calcium13 claims
- Pantoprazole Sodium13 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.
Samuel Rayapati among 3,079 internal medicine physician records in Washington
Samuel Rayapati, M.D 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 fileNo · 60% of these records are
- Record last updated2007 · 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).
37 internal medicine physician records list a practice address in Walla Walla
They are 37 of the 1,276 NPPES records with a practice address in Walla Walla, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Walla Walla → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kevin Andrews, MDWalla Walla, WA 993621174513873
- Eric Ball, M.D.Walla Walla, WA 993621275507485
- Karen Geheb, M.D.Walla Walla, WA 993621972532745
- Dan Grinstead, M.D.Walla Walla, WA 993621881668010
- Philip Hooper, MDWalla Walla, WA 993621154307742
- Eric Jauhiainen, M.D.Walla Walla, WA 993621235103466
- Stevie Mazyck, MDWalla Walla, WA 993621902835697
- Patricia McIlvaine, M.D.Walla Walla, WA 993621689648594
Common questions
What is Samuel Rayapati, M.D's NPI number?
Samuel Rayapati, M.D's National Provider Identifier (NPI) is 1235225285, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Samuel Rayapati, M.D located?
The NPPES record lists a practice address at 77 Wainwright Dr, Walla Walla, WA, 99362. Phone: (509) 525-5200. Providers update this record themselves, so call before visiting.
How can I verify Samuel Rayapati, M.D's license?
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 Samuel Rayapati, M.D prescribe under Medicare Part D?
In 2024, Samuel Rayapati, M.D had 373 Medicare Part D claims for 42 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.