Paul Lee, M.D.
NPI 1023561172 · Internal Medicine Physician · Pasadena, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Paul Lee, M.D. is a Internal Medicine Physician provider in Pasadena, CA (NPI 1023561172).
Provider details
- NPI number
- 1023561172
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
595 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 304 | $82 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 81 | $135 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 64 | $120 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 41 | $101 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 37 | $51 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-07-25
- Last updated
- 2020-07-29
- Certified
- 2020-07-29
Frequently asked questions
- What is Paul Lee's NPI number?
- Paul Lee's National Provider Identifier (NPI) is 1023561172, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Lee's specialty?
- Paul Lee is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Paul Lee located?
- Paul Lee's practice location on file with NPPES is 100 W California Blvd, Pasadena, CA 91105-3010.
- What is Paul Lee's phone number?
- The practice phone number listed in the NPPES registry for Paul Lee is (626) 397-5000.
- Does Paul Lee accept Medicare?
- Paul Lee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Paul Lee's NPI active?
- Yes — Paul Lee's NPI (1023561172) is active in the NPPES registry as of the last update on 2020-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.