Huifen Feng
NPI 1669859351 · Psychiatry Physician · New York, NY
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Huifen Feng is a Psychiatry Physician provider in New York, NY (NPI 1669859351).
Provider details
- NPI number
- 1669859351
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 295061 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
114 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 70 | $108 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 33 | $73 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 11 | $185 |
Typical Medicare-allowed amounts for these services range $73–$185 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 127 | — |
| Olanzapine | 102 | 15 |
| Mirtazapine | 76 | 12 |
| Clonazepam | 73 | — |
| Escitalopram Oxalate | 73 | — |
| Fluoxetine Hcl | 67 | — |
| Sertraline Hcl | 63 |
Practice location
Mailing address
Additional practice locations (2)
- 100 Woods RdValhalla, NY 10595-1530Phone: (914) 493-1939
- 100 Woods RdValhalla, NY 10595-1530Phone: (914) 493-1939
Registry dates
- Enumerated
- 2015-05-01
- Last updated
- 2019-08-02
Frequently asked questions
- What is Huifen Feng's NPI number?
- Huifen Feng's National Provider Identifier (NPI) is 1669859351, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Huifen Feng's specialty?
- Huifen Feng is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Huifen Feng located?
- Huifen Feng's practice location on file with NPPES is 100 E 77th St, New York, NY 10075.
- What is Huifen Feng's phone number?
- The practice phone number listed in the NPPES registry for Huifen Feng is (212) 434-2000.
- Does Huifen Feng accept Medicare?
- Huifen Feng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Huifen Feng's NPI active?
- Yes — Huifen Feng's NPI (1669859351) is active in the NPPES registry as of the last update on 2019-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.