Lillian Derosa, PMHNP-BC, BSN, RN
NPI 1609384221 · Psychiatric/Mental Health Nurse Practitioner · Canton, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lillian Derosa, PMHNP-BC, BSN, RN is a Psychiatric/Mental Health Nurse Practitioner provider in Canton, MA (NPI 1609384221).
Provider details
- NPI number
- 1609384221
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP-BC, BSN, RN
- Sex
- Female
- Sole proprietor
- No
- License
- RN2302862 (MA)
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 tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
22 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 22 | $163 |
Typical Medicare-allowed amounts for these services range $163–$163 (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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$125 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
Additional practice locations (2)
- 736 Cambridge StBrighton, MA 02135-2907Phone: (617) 789-2102Fax: (617) 789-3477
- 235 N Pearl StBrockton, MA 02301-1794Phone: (508) 427-3000
Registry dates
- Enumerated
- 2018-01-17
- Last updated
- 2025-03-05
- Certified
- 2025-03-05
Frequently asked questions
- What is Lillian Derosa's NPI number?
- Lillian Derosa's National Provider Identifier (NPI) is 1609384221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lillian Derosa's specialty?
- Lillian Derosa is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lillian Derosa located?
- Lillian Derosa's practice location on file with NPPES is 238 High St, Canton, MA 02021-3654.
- What is Lillian Derosa's phone number?
- The practice phone number listed in the NPPES registry for Lillian Derosa is (617) 755-6020.
- Does Lillian Derosa accept Medicare?
- Lillian Derosa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lillian Derosa's NPI active?
- Yes — Lillian Derosa's NPI (1609384221) is active in the NPPES registry as of the last update on 2025-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.