Lai Sum, NP
NPI 1922016435 · Nurse Practitioner · New York, NY
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lai Sum, NP is a Nurse Practitioner provider in New York, NY (NPI 1922016435).
Provider details
- NPI number
- 1922016435
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 340294 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 234 | 35 |
| Ammonium Lactate | 154 | 22 |
| Amlodipine Besylate | 129 | 20 |
| Metoprolol Succinate | 110 | 15 |
| Famotidine | 109 | 16 |
| Diclofenac Sodium | 93 | 15 |
| Losartan Potassium | 86 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-03
- Last updated
- 2015-02-26
Frequently asked questions
- What is Lai Sum's NPI number?
- Lai Sum's National Provider Identifier (NPI) is 1922016435, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lai Sum's specialty?
- Lai Sum is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lai Sum located?
- Lai Sum's practice location on file with NPPES is 450 N End Ave, New York, NY 10282-1105.
- What is Lai Sum's phone number?
- The practice phone number listed in the NPPES registry for Lai Sum is (212) 619-4112.
- Does Lai Sum accept Medicare?
- Lai Sum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lai Sum's NPI active?
- Yes — Lai Sum's NPI (1922016435) is active in the NPPES registry as of the last update on 2015-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.