NPPES file of Aug 9, 2026

Karthika Vempati, MD

Family Medicine Physician · Ridgefield, WA

Karthika Vempati, MD is a family medicine physician with a practice address in Ridgefield, Washington, and NPI 1659900298, issued on Apr 6, 2020. Check the license (Washington MD61420079, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659900298
Name
Karthika Vempati
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD61420079 WA
Self-reported in NPPES; status is on the state search
Practice location
5515 Pioneer St, Ridgefield, WA 98642
Phone
(360) 882-2778
Enumerated
Apr 6, 2020
Record last updated
Apr 17, 2026
Medicare enrollment
Enrolled (PECOS I20250918000480); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5515 Pioneer St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jonas Aharoni, MDInternal Medicine Physician1164659488
  2. Lacey AshleyRegistered Nurse1104761147
  3. Nazaneen Eshragh, M.D.Pediatrics Physician1154683506
  4. Robert Gonzales, M.D.Family Medicine Physician1316025224
  5. Paige Grider, PA-CPhysician Assistant1568821502
  6. Anna Lien, RNRegistered Nurse1972448900

Verify Karthika Vempati in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD61420079
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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27% fewer Medicare Part D claims than the average family medicine physician in 2024

2,589 Medicare Part D claims for 425 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 145 claims were for opioids.

  1. Karthika Vempati2,589
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium171 claims
  2. Lisinopril121 claims
  3. Levothyroxine Sodium111 claims
  4. Amlodipine Besylate91 claims
  5. Omeprazole86 claims
  6. Losartan Potassium83 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

  1. Centerwell Senior Primary Care GA PCAtlanta, GA
  2. The Vancouver Clinic Inc PSRidgefield, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Karthika Vempati among 5,534 family medicine physician records in Washington

Karthika Vempati, MD is one of 5,534 family medicine physician records with a practice address in Washington. 73% 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 88% of them.

  • NPI issued2020 · 88% of these records are older, 9% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2017 · median 2009 among the 3,294 with a school on file
  • Record last updated2026 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

6 family medicine physician records list a practice address in Ridgefield

They are 6 of the 163 NPPES records with a practice address in Ridgefield, and 5,534 family medicine physician records in Washington.

The 8 family medicine physician records with the nearest ZIP codes

  1. Arthur Clemente, M.D.Ridgefield, WA 986421467436139
  2. Josephine Drew, M.DRidgefield, WA 986421881636629
  3. Robert Gonzales, M.D.Ridgefield, WA 986421316025224
  4. Samuel Richard, MDRidgefield, WA 986421346246303
  5. Chad Spain, MDRidgefield, WA 986421093039521
  6. John Holley, M.D.Lyle, WA 986351447258157
  7. Marshal Harpe, D.O.Trout Lake, WA 986501720015761
  8. Tobin Rummel, D.O.Trout Lake, WA 986501063733293

Common questions

What is Karthika Vempati, MD's NPI number?

Karthika Vempati, MD's National Provider Identifier (NPI) is 1659900298, issued on Apr 6, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Karthika Vempati, MD located?

The NPPES record lists a practice address at 5515 Pioneer St, Ridgefield, WA, 98642. Phone: (360) 882-2778. Providers update this record themselves, so call before visiting.

How can I verify Karthika Vempati, MD's license?

NPPES lists Washington license number MD61420079, 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 Karthika Vempati, MD prescribe under Medicare Part D?

In 2024, Karthika Vempati, MD had 2,589 Medicare Part D claims for 425 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.