Philip Lam, D.O.
Psychiatry Physician · Tucson, AZ
Philip Lam, D.O. is a psychiatry physician with a practice address in Tucson, Arizona, and NPI 1588011985, issued on May 16, 2016. Check the license (Arizona 008483, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Philip Lam
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 008483 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2800 E Ajo Way, Tucson, AZ 85713
- Phone
- (520) 694-1234
- Enumerated
- May 16, 2016
- Record last updated
- Jul 11, 2025
- Fax
- (520) 874-7539
- Medicare enrollment
- Enrolled (PECOS I20200519001597); accepts Medicare assignment
- Medical or professional school
- Arizona College Of Osteopathic Medicine Mid Western University, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 942 in Arizona → Look up another NPI →
Also registered at 2800 E Ajo Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Abdulaziz Almulhim, PHARMDPharmacist1063931194
- Beyann Alzoubi, MDPsychiatry Physician1528757887
Verify Philip Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 008483Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% more Medicare Part D claims than the average psychiatry physician in 2024
1,519 Medicare Part D claims for 114 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Aripiprazole92 claims
- Clozapine90 claims
- Buspirone Hcl81 claims
- Quetiapine Fumarate74 claims
- Sertraline Hcl53 claims
- Duloxetine Hcl51 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.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- B-Umg Integrated Health Clinic LLCTucson, AZ
- Banner-University Medical GroupTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Philip Lam among 942 psychiatry physician records in Arizona
Philip Lam, D.O. is one of 942 psychiatry physician records with a practice address in Arizona. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 75% of them.
- NPI issued2016 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 41% of these records are
- Graduated2016 · median 2007 among the 382 with a school on file
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
266 psychiatry physician records list a practice address in Tucson
They are 266 of the 18,788 NPPES records with a practice address in Tucson, and 942 psychiatry physician records in Arizona.
All 942 in Arizona → Every provider in Tucson → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Nelda Akinbile, M.D.Tucson, AZ 857131023112745
- Thomas Bartuska, MDTucson, AZ 857131801972245
- Martha Burkholder, M.D.Tucson, AZ 857131740260173
- Wenhui Cai, MD, PHDTucson, AZ 857131679657910
- Daniel Fredman, M.D.Tucson, AZ 857131700984127
- Virgil Hancock, M.D.Tucson, AZ 857131265510481
- Andrzej Honory, MDTucson, AZ 857131033105002
- Peter Kowalski, MDTucson, AZ 857131639107444
Common questions
What is Philip Lam, D.O.'s NPI number?
Philip Lam, D.O.'s National Provider Identifier (NPI) is 1588011985, issued on May 16, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Philip Lam, D.O. located?
The NPPES record lists a practice address at 2800 E Ajo Way, Tucson, AZ, 85713. Phone: (520) 694-1234. Providers update this record themselves, so call before visiting.
How can I verify Philip Lam, D.O.'s license?
NPPES lists Arizona license number 008483, 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 Philip Lam, D.O. prescribe under Medicare Part D?
In 2024, Philip Lam, D.O. had 1,519 Medicare Part D claims for 114 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Philip Lam, D.O.'s MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.