Joseph Tjan
NPI 1588676019 · Anesthesiology Physician · New York, NY
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Tjan is a Anesthesiology Physician provider in New York, NY (NPI 1588676019).
Provider details
- NPI number
- 1588676019
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 186223 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
243 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) |
|---|---|---|
| Anesthesia for Lens Surgery00142 | 110 | $82 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 42 | $83 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 24 | $108 |
| Anesthesia for Other Procedure on Eye00140 | 21 | $114 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 20 | $80 |
| Anesthesia for Procedure on Eyelid00103 | 13 | $109 |
| Anesthesia for Other Procedure on Skin of Arms, Legs, and Front Body |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$174 across 7 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
Registry dates
- Enumerated
- 2006-08-13
- Last updated
- 2024-11-19
- Certified
- 2024-11-19
Frequently asked questions
- What is Joseph Tjan's NPI number?
- Joseph Tjan's National Provider Identifier (NPI) is 1588676019, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Tjan's specialty?
- Joseph Tjan is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Tjan located?
- Joseph Tjan's practice location on file with NPPES is 525 E 68th St, New York, NY 10021-4870.
- What is Joseph Tjan's phone number?
- The practice phone number listed in the NPPES registry for Joseph Tjan is (212) 746-2846.
- Does Joseph Tjan accept Medicare?
- Joseph Tjan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Tjan's NPI active?
- Yes — Joseph Tjan's NPI (1588676019) is active in the NPPES registry as of the last update on 2024-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.