NPPES file of Aug 9, 2026

Tammy Lin

Family Medicine Physician · Gresham, OR

Tammy Lin is a family medicine physician with a practice address in Gresham, Oregon, and NPI 1508229303, issued on Mar 30, 2016. Check the license 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
1508229303
Name
Tammy Lin
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A153237 CA
Self-reported in NPPES; status is on the state search
Practice location
3321 SW 2ND St, Gresham, OR 97030
Phone
(868) 515-3500
Enumerated
Mar 30, 2016
Record last updated
Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20191031003063); accepts Medicare assignment
Medical or professional school
University Of Michigan Medical School, 2016
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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Verify Tammy Lin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical BoardCheck 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

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6% fewer Medicare Part D claims than the average family medicine physician in 2024

3,340 Medicare Part D claims for 623 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 117 claims were for opioids.

  1. Tammy Lin3,340
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium267 claims
  2. Losartan Potassium145 claims
  3. Levothyroxine Sodium128 claims
  4. Rosuvastatin Calcium126 claims
  5. Lisinopril122 claims
  6. Amlodipine Besylate116 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. Southern California Permanente Medical GroupPanorama City, CA

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

29 family medicine physician records list a practice address in Gresham

They are 29 of the 1,934 NPPES records with a practice address in Gresham, and 2,847 family medicine physician records in Oregon.

Other family medicine physician records in Oregon

  1. Roxana Abbott, DOPortland, OR1275799082
  2. David Abdun-Nur, M.D.Grants Pass, OR1396737847
  3. Traci Ackron, D.O.Hillsboro, OR1336588789
  4. Orlando Acosta, MDHood River, OR1912990375
  5. Michele Adamcak, D.O.Tigard, OR1114097227
  6. Standley Adamek, DOTigard, OR1144515230
  7. Harry Adamo, MDSpringfield, OR1235191412
  8. Allyson AdamsClackamas, OR1043899537
  9. Caroline Adams, MDGresham, OR1164840815
  10. Justin Adams, M.D.Medford, OR1760616866

Common questions

What is Tammy Lin's NPI number?

Tammy Lin's National Provider Identifier (NPI) is 1508229303, issued on Mar 30, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Tammy Lin located?

The NPPES record lists a practice address at 3321 SW 2ND St, Gresham, OR, 97030. Phone: (868) 515-3500. Providers update this record themselves, so call before visiting.

How can I verify Tammy Lin's license?

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 Tammy Lin prescribe under Medicare Part D?

In 2024, Tammy Lin had 3,340 Medicare Part D claims for 623 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.