Ai-Yui Tan, M.D.
NPI 1538503339 · Pulmonary Disease Physician · Marina Del Rey, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ai-Yui Tan, M.D. is a Pulmonary Disease Physician provider in Marina Del Rey, CA (NPI 1538503339).
Provider details
- NPI number
- 1538503339
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036140463 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
482 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 238 | $217 |
| Irrigation and Suction of Lung Airways to Obtain Cells Using an Endoscope31624 | 57 | $38 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 57 | $51 |
| Biopsy of Lobe of Lung Using an Endoscope, 1 Lobe31628 | 35 | $117 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 18 | $188 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$524 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 840 S Wood StChicago, IL 60612-4325Phone: (312) 996-8039
Registry dates
- Enumerated
- 2013-04-23
- Last updated
- 2022-11-18
- Certified
- 2022-11-18
Frequently asked questions
- What is Ai-Yui Tan's NPI number?
- Ai-Yui Tan's National Provider Identifier (NPI) is 1538503339, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ai-Yui Tan's specialty?
- Ai-Yui Tan is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Ai-Yui Tan located?
- Ai-Yui Tan's practice location on file with NPPES is 4650 Lincoln Blvd, Marina Del Rey, CA 90292-6306.
- What is Ai-Yui Tan's phone number?
- The practice phone number listed in the NPPES registry for Ai-Yui Tan is (310) 823-8911.
- Does Ai-Yui Tan accept Medicare?
- Ai-Yui Tan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ai-Yui Tan's NPI active?
- Yes — Ai-Yui Tan's NPI (1538503339) is active in the NPPES registry as of the last update on 2022-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.