Richard Williams, APRN, PMHNP-BC
NPI 1427634229 · Psychiatric/Mental Health Nurse Practitioner · Manchester, NH
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Williams, APRN, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner provider in Manchester, NH (NPI 1427634229).
Provider details
- NPI number
- 1427634229
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, PMHNP-BC
- Sex
- Male
- Sole proprietor
- No
- License
- 067552-21 (NH)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Nursing Service Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
5 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
486 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 433 | $97 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 34 | $65 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 19 | $147 |
Typical Medicare-allowed amounts for these services range $65–$147 (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 · 64 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 492 | 44 |
| Risperidone | 386 | 31 |
| Trazodone Hcl | 299 | 42 |
| Olanzapine | 299 | 34 |
| Clonazepam | 298 | 36 |
| Sertraline Hcl | 261 | 32 |
| Buspirone Hcl | 256 | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,258 across 35 records (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 (1)
- 234 Littleton Rd Ste 1bWestford, MA 01886-3530Phone: (603) 377-3951
Registry dates
- Enumerated
- 2021-03-22
- Last updated
- 2026-03-27
- Certified
- 2026-03-27
Frequently asked questions
- What is Richard Williams's NPI number?
- Richard Williams's National Provider Identifier (NPI) is 1427634229, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Williams's specialty?
- Richard Williams is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Richard Williams located?
- Richard Williams's practice location on file with NPPES is 2 Wall St, Manchester, NH 03101-1518.
- What is Richard Williams's phone number?
- The practice phone number listed in the NPPES registry for Richard Williams is (603) 668-4111.
- Does Richard Williams accept Medicare?
- Richard Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Williams's NPI active?
- Yes — Richard Williams's NPI (1427634229) is active in the NPPES registry as of the last update on 2026-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.