Philip Lam, D.O.
NPI 1588011985 · Psychiatry Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Philip Lam, D.O. is a Psychiatry Physician provider in Tucson, AZ (NPI 1588011985).
Provider details
- NPI number
- 1588011985
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 008483 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
186 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 75 | $115 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 47 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 34 | $94 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 30 | $68 |
Typical Medicare-allowed amounts for these services range $16–$115 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Aripiprazole | 92 | 18 |
| Clozapine | 90 | — |
| Buspirone Hcl | 81 | 21 |
| Quetiapine Fumarate | 74 | 16 |
| Sertraline Hcl | 53 | 13 |
| Duloxetine Hcl | 51 | 15 |
| Clonazepam | 50 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-05-16
- Last updated
- 2025-07-11
- Certified
- 2025-07-11
Frequently asked questions
- What is Philip Lam's NPI number?
- Philip Lam's National Provider Identifier (NPI) is 1588011985, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Philip Lam's specialty?
- Philip Lam is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Philip Lam located?
- Philip Lam's practice location on file with NPPES is 2800 E Ajo Way, Tucson, AZ 85713-6204.
- What is Philip Lam's phone number?
- The practice phone number listed in the NPPES registry for Philip Lam is (520) 694-1234.
- Does Philip Lam accept Medicare?
- Philip Lam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Philip Lam's NPI active?
- Yes — Philip Lam's NPI (1588011985) is active in the NPPES registry as of the last update on 2025-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.