Lin W. Clark, M.D.
Internal Medicine Physician · Tucson, AZ
Lin W. Clark, M.D. is an internal medicine physician with a practice address in Tucson, Arizona, and NPI 1396830477, issued on Oct 4, 2006. Check the license (Arizona 65768, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Lin W. Clark
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 65768 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 5100 E Broadway Blvd, Tucson, AZ 85711
- Phone
- (520) 613-3001
- Enumerated
- Oct 4, 2006
- Record last updated
- Aug 7, 2024
- Fax
- (520) 504-6481
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 5100 E Broadway Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lin W. Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 65768Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average internal medicine physician in 2024
7,158 Medicare Part D claims for 1,086 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 185 claims were for opioids.
Most prescribed
- Atorvastatin Calcium375 claims
- Losartan Potassium294 claims
- Lisinopril277 claims
- Levothyroxine Sodium252 claims
- Amlodipine Besylate250 claims
- Gabapentin227 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.
Lin W. Clark among 2,853 internal medicine physician records in Arizona
Lin W. Clark, M.D. is one of 2,853 internal medicine physician records with a practice address in Arizona. 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 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2024 · 51% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
651 internal medicine physician records list a practice address in Tucson
They are 651 of the 18,788 NPPES records with a practice address in Tucson, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Tucson → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nicholas Bastiampillai, DOTucson, AZ 857111093750242
- Charles Giffin, MDTucson, AZ 857111932157161
- Naushaba Hasan, MDTucson, AZ 857111942298559
- Chun Wah Ho, M.D.Tucson, AZ 857111083699839
- John Kottarathil, MDTucson, AZ 857111477735439
- Walid Nader, MDTucson, AZ 857111801869219
- Winola Purushotham, M.D.Tucson, AZ 857111124294756
- Robert Rogers, MDTucson, AZ 857111871579904
Common questions
What is Lin W. Clark, M.D.'s NPI number?
Lin W. Clark, M.D.'s National Provider Identifier (NPI) is 1396830477, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lin W. Clark, M.D. located?
The NPPES record lists a practice address at 5100 E Broadway Blvd, Tucson, AZ, 85711. Phone: (520) 613-3001. Providers update this record themselves, so call before visiting.
How can I verify Lin W. Clark, M.D.'s license?
NPPES lists Arizona license number 65768, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lin W. Clark, M.D. prescribe under Medicare Part D?
In 2024, Lin W. Clark, M.D. had 7,158 Medicare Part D claims for 1,086 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.