Pamela Williams, RNP
NPI 1578500526 · Adult Health Nurse Practitioner · Boston, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Pamela Williams, RNP is a Adult Health Nurse Practitioner provider in Boston, MA (NPI 1578500526).
Provider details
- NPI number
- 1578500526
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RNP
- Sex
- Female
- Sole proprietor
- No
- License
- 258433 (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 tenure28% of score
20 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
450 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) |
|---|---|---|
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 254 | $164 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 145 | $114 |
| Advance Care Planning, First 30 Minutes99497 | 29 | $74 |
| Residence Visit for New Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 75 Minutes99345 | 22 | $175 |
Typical Medicare-allowed amounts for these services range $74–$175 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 35 | — |
| Divalproex Sodium | 32 | — |
| Trazodone Hcl | 32 | 14 |
| Quetiapine Fumarate | 29 | — |
| Sertraline Hcl | 26 | — |
| Methadone Hcl | 25 | — |
| Escitalopram Oxalate | 19 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-31
- Last updated
- 2016-08-10
Frequently asked questions
- What is Pamela Williams's NPI number?
- Pamela Williams's National Provider Identifier (NPI) is 1578500526, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Pamela Williams's specialty?
- Pamela Williams is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Pamela Williams located?
- Pamela Williams's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2621.
- What is Pamela Williams's phone number?
- The practice phone number listed in the NPPES registry for Pamela Williams is (957) 310-2607.
- Does Pamela Williams accept Medicare?
- Pamela Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Pamela Williams's NPI active?
- Yes — Pamela Williams's NPI (1578500526) is active in the NPPES registry as of the last update on 2016-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.