Louisa Chan, PMHNP
NPI 1215458708 · Psychiatric/Mental Health Nurse Practitioner · New York, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louisa Chan, PMHNP is a Psychiatric/Mental Health Nurse Practitioner provider in New York, NY (NPI 1215458708).
Provider details
- NPI number
- 1215458708
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP
- Sex
- Female
- Sole proprietor
- No
- License
- 717787 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 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
1,615 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 Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 976 | $71 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 308 | $102 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 274 | $126 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 57 | $172 |
Typical Medicare-allowed amounts for these services range $71–$172 (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 (2)
- 150 E 85th StApt 9bNew York, NY 10028Phone: (510) 857-3927
- 150 E 85th St Apt 9bNew York, NY 10028-2302Phone: (510) 857-3927
Registry dates
- Enumerated
- 2017-07-05
- Last updated
- 2018-08-06
Frequently asked questions
- What is Louisa Chan's NPI number?
- Louisa Chan's National Provider Identifier (NPI) is 1215458708, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louisa Chan's specialty?
- Louisa Chan is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Louisa Chan located?
- Louisa Chan's practice location on file with NPPES is 125 Broad St # 3, New York, NY 10004.
- What is Louisa Chan's phone number?
- The practice phone number listed in the NPPES registry for Louisa Chan is (510) 857-3927.
- Does Louisa Chan accept Medicare?
- Louisa Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louisa Chan's NPI active?
- Yes — Louisa Chan's NPI (1215458708) is active in the NPPES registry as of the last update on 2018-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.