Marisa Lam
NPI 1477927093 · Adult Health Nurse Practitioner · New York, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marisa Lam is a Adult Health Nurse Practitioner provider in New York, NY (NPI 1477927093).
Provider details
- NPI number
- 1477927093
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 607177 (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
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
65 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 28 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test85027 | 15 | $6 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 11 | $10 |
| Manual Urinalysis Test With Examination Using Microscope, Automated81001 | 11 | $3 |
Typical Medicare-allowed amounts for these services range $3–$10 (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 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 219 | 49 |
| Atorvastatin Calcium | 132 | 46 |
| Amlodipine Besylate | 110 | 35 |
| Fluticasone Propionate | 92 | 27 |
| Rosuvastatin Calcium | 79 | 25 |
| Lisinopril | 77 | 25 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-11-19
- Last updated
- 2015-11-20
Frequently asked questions
- What is Marisa Lam's NPI number?
- Marisa Lam's National Provider Identifier (NPI) is 1477927093, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marisa Lam's specialty?
- Marisa Lam is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marisa Lam located?
- Marisa Lam's practice location on file with NPPES is 227 Madison St, New York, NY 10002-7537.
- What is Marisa Lam's phone number?
- The practice phone number listed in the NPPES registry for Marisa Lam is (212) 238-7000.
- Does Marisa Lam accept Medicare?
- Marisa Lam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marisa Lam's NPI active?
- Yes — Marisa Lam's NPI (1477927093) is active in the NPPES registry as of the last update on 2015-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.