Chenen Hsieh, M.D.
NPI 1366708141 · Psychiatry Physician · Amityville, NY
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chenen Hsieh, M.D. is a Psychiatry Physician provider in Amityville, NY (NPI 1366708141).
Provider details
- NPI number
- 1366708141
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 301493 (LA)
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 tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
245 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 | 214 | $87 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 16 | $90 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 15 | $146 |
Typical Medicare-allowed amounts for these services range $87–$146 (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.
Practice location
Mailing address
Additional practice locations (1)
- 35 Broadway Ste 104Hicksville, NY 11801-4284Phone: (516) 216-9893
Registry dates
- Enumerated
- 2012-04-06
- Last updated
- 2024-11-06
- Certified
- 2024-11-06
Frequently asked questions
- What is Chenen Hsieh's NPI number?
- Chenen Hsieh's National Provider Identifier (NPI) is 1366708141, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chenen Hsieh's specialty?
- Chenen Hsieh is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Chenen Hsieh located?
- Chenen Hsieh's practice location on file with NPPES is 400 Sunrise Hwy, Amityville, NY 11701-2508.
- What is Chenen Hsieh's phone number?
- The practice phone number listed in the NPPES registry for Chenen Hsieh is (646) 417-2172.
- Does Chenen Hsieh accept Medicare?
- Chenen Hsieh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chenen Hsieh's NPI active?
- Yes — Chenen Hsieh's NPI (1366708141) is active in the NPPES registry as of the last update on 2024-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.