Richard Nasstrom, D.O.
NPI 1144665712 · Psychiatry Physician · Plymouth, NH
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Nasstrom, D.O. is a Psychiatry Physician provider in Plymouth, NH (NPI 1144665712).
Provider details
- NPI number
- 1144665712
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 18336 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 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
345 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 | 192 | $109 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 153 | $66 |
Typical Medicare-allowed amounts for these services range $66–$109 (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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 123 | 18 |
| Trazodone Hcl | 120 | 23 |
| Gabapentin | 72 | 11 |
| Duloxetine Hcl | 66 | 11 |
| Lamotrigine | 40 | — |
| Prazosin Hcl | 39 | — |
| Sertraline Hcl | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$93 across 5 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)
- 111 Church StLaconia, NH 03246-3432Phone: (603) 524-1100
Registry dates
- Enumerated
- 2013-05-08
- Last updated
- 2020-03-06
- Certified
- 2020-03-06
Frequently asked questions
- What is Richard Nasstrom's NPI number?
- Richard Nasstrom's National Provider Identifier (NPI) is 1144665712, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Nasstrom's specialty?
- Richard Nasstrom is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Nasstrom located?
- Richard Nasstrom's practice location on file with NPPES is 1 Warren St, Plymouth, NH 03264-1416.
- What is Richard Nasstrom's phone number?
- The practice phone number listed in the NPPES registry for Richard Nasstrom is (603) 945-8048.
- Does Richard Nasstrom accept Medicare?
- Richard Nasstrom is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Nasstrom's NPI active?
- Yes — Richard Nasstrom's NPI (1144665712) is active in the NPPES registry as of the last update on 2020-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.