NPPES file of Aug 9, 2026

Navin N. Nayak, MD

Internal Medicine Physician · Clackamas, OR

Navin N. Nayak, MD is an internal medicine physician with a practice address in Clackamas, Oregon, and NPI 1063467181, issued on May 24, 2006. Check the license (Oregon MD36436, as entered in NPPES) on the Oregon Medical Board; 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
1063467181
Name
Navin N. Nayak
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD36436 OR
Self-reported in NPPES; status is on the state search
Practice location
9290 SE Sunnybrook Blvd, Clackamas, OR 97015
Phone
(503) 215-2110
Enumerated
May 24, 2006
Record last updated
Oct 2, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(503) 215-2115
Medicaid ID
027715 OR
Medicare enrollment
Enrolled (PECOS I20060501000527); accepts Medicare assignment
Medical or professional school
University Of Pittsburgh School Of Medicine, 2000
Telehealth
Offers telehealth (CMS)
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 9290 SE Sunnybrook Blvd

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

  1. Erika Barber, MDGeriatric Medicine (Internal Medicine) Physician1881861748
  2. Edmund Beck, MDFamily Medicine Physician1508894718
  3. Jennifer Beemer, N.P.Adult Health Nurse Practitioner1730529629
  4. Mary Brown, MDPediatrics Physician1073559704
  5. Stephanie Cha, MDInternal Medicine Physician1902832371
  6. Michelle Combs, PYS.D.Clinical Psychologist1053716621

Verify Navin N. Nayak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD36436
    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 Oregon 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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3.2 times the Medicare Part D claims of the average internal medicine physician in 2024

10,110 Medicare Part D claims for 666 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 301 claims were for opioids.

  1. Navin Nayak10,110
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium826 claims
  2. Amlodipine Besylate460 claims
  3. Levothyroxine Sodium379 claims
  4. Losartan Potassium357 claims
  5. Omeprazole319 claims
  6. Rosuvastatin Calcium309 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 one group practice

  1. Providence Health And Services OregonClackamas, OR

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

Navin N. Nayak among 2,116 internal medicine physician records in Oregon

Navin N. Nayak, MD is one of 2,116 internal medicine physician records with a practice address in Oregon. 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 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 54% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2000 · median 2008 among the 1,232 with a school on file
  • Record last updated2020 · 58% 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 Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

101 internal medicine physician records list a practice address in Clackamas

They are 101 of the 2,098 NPPES records with a practice address in Clackamas, and 2,116 internal medicine physician records in Oregon.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Lisa Ashcraft, MDClackamas, OR 970151801851746
  2. Kirthika Balakrishnan, MDClackamas, OR 970151881655256
  3. Stephanie Cha, MDClackamas, OR 970151902832371
  4. Alla Comardelle, M.D.Clackamas, OR 970151558397034
  5. Gregory Garcia, MDClackamas, OR 970151922036219
  6. Randall Gore, M.D.Clackamas, OR 970151639163447
  7. Gene Hong, M.D.Clackamas, OR 970151417905506
  8. Chieko Misaki, M.D.Clackamas, OR 970151225093172

Common questions

What is Navin N. Nayak, MD's NPI number?

Navin N. Nayak, MD's National Provider Identifier (NPI) is 1063467181, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Navin N. Nayak, MD located?

The NPPES record lists a practice address at 9290 SE Sunnybrook Blvd, Clackamas, OR, 97015. Phone: (503) 215-2110. Providers update this record themselves, so call before visiting.

How can I verify Navin N. Nayak, MD's license?

NPPES lists Oregon license number MD36436, 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 Navin N. Nayak, MD prescribe under Medicare Part D?

In 2024, Navin N. Nayak, MD had 10,110 Medicare Part D claims for 666 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.