Mary Lam, NP
NPI 1699373076 · Family Nurse Practitioner · Chestnut Hill, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Lam, NP is a Family Nurse Practitioner provider in Chestnut Hill, MA (NPI 1699373076).
Provider details
- NPI number
- 1699373076
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- RN2318841 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 173 | 78 |
| Ipratropium Bromide | 88 | 32 |
| Azelastine Hcl | 66 | 16 |
| Omeprazole | 50 | 23 |
| Famotidine | 36 | 12 |
| Mupirocin | 26 | 21 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 22 | 21 |
| Budesonide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$25 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-10-16
- Last updated
- 2022-11-07
- Certified
- 2022-11-07
Frequently asked questions
- What is Mary Lam's NPI number?
- Mary Lam's National Provider Identifier (NPI) is 1699373076, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Lam's specialty?
- Mary Lam is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Lam located?
- Mary Lam's practice location on file with NPPES is 1244 Boylston St, Chestnut Hill, MA 02467-2116.
- What is Mary Lam's phone number?
- The practice phone number listed in the NPPES registry for Mary Lam is (617) 383-6800.
- Does Mary Lam accept Medicare?
- Mary Lam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Lam's NPI active?
- Yes — Mary Lam's NPI (1699373076) is active in the NPPES registry as of the last update on 2022-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.