Chi Tsay, M.d.p.c
NPI 1609844414 · Anesthesiology Physician · Monterey Park, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chi Tsay, M.d.p.c is a Anesthesiology Physician organization in Monterey Park, CA (NPI 1609844414).
Provider details
- NPI number
- 1609844414
- Entity type
- Organization
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Chi Tsay, President(626) 573-2222
- License
- A37475 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-08
- Last updated
- 2024-09-13
- Certified
- 2024-09-13
Frequently asked questions
- What is Chi Tsay, M.d.p.c's NPI number?
- Chi Tsay, M.d.p.c's National Provider Identifier (NPI) is 1609844414, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Chi Tsay, M.d.p.c?
- Chi Tsay, M.d.p.c is classified in the NPPES registry as Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Chi Tsay, M.d.p.c located?
- Chi Tsay, M.d.p.c's practice location on file with NPPES is 525 N Garfield Ave, Monterey Park, CA 91754-1202.
- What is Chi Tsay, M.d.p.c's phone number?
- The practice phone number listed in the NPPES registry for Chi Tsay, M.d.p.c is (626) 573-2222.
- Does Chi Tsay, M.d.p.c accept Medicare?
- Chi Tsay, M.d.p.c is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Chi Tsay, M.d.p.c?
- The authorized official listed on Chi Tsay, M.d.p.c's NPPES record is Chi Tsay, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Chi Tsay, M.d.p.c's NPI active?
- Yes — Chi Tsay, M.d.p.c's NPI (1609844414) is active in the NPPES registry as of the last update on 2024-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.