2026 NPPES data Psychiatry Physician NPI 1639131014 MD
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THOMAS PETERSON, MD

Psychiatry Physician in GRAND FORKS, North Dakota. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
184
Medicare Part D claims · 18 beneficiaries · Psychiatry Physician avg: 1K
What the federal data reveals: THOMAS PETERSON, MD is a Psychiatry Physician ([object Object]) practicing in GRAND FORKS, North Dakota with a Medicare Part D prescribing footprint of 184 claims across 18 beneficiaries .

What stands out: THOMAS PETERSON, MD filed 184 Medicare Part D claims in 2023 across GRAND FORKS, North Dakota. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board-eligible specialty (heuristic — not verified)

THOMAS PETERSON, MD practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).

THOMAS PETERSON, MD at a glance

Quality data not reported

NPI registry status

Active

Issued 04/03/2006

NPI 1639131014

Primary specialty

Psychiatry Physician

High-volume

53,104 US NPIs in this specialty

Medicare Part D claims

184 82% vs specialty avg

2023 prescription claims

Specialty avg: 1,038

Specialty distribution in North Dakota

How Psychiatry Physician compares to other specialties among North Dakota providers

North Dakota providers

Psychiatry Physician share within North Dakota

1. Psychiatry Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Psychiatry Physician share within North Dakota

Specialty board-certification context

Estimated specialty board-certified rate — Psychiatry Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Psychiatry Physician ABMS/AOA estimate

Est. board-certified rate (Psychiatry Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Psychiatry Physician) — ABMS / AOA estimate

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

THOMAS PETERSON, MD is a Psychiatry Physician provider practicing in GRAND FORKS, North Dakota, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD. NPI: 1639131014. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

THOMAS PETERSON, MD appears in the CMS NPPES registry as a Psychiatry Physician provider holding MD credentials at 4700 S WASHINGTON ST STE G, GRAND FORKS, ND, 58201, with a listed phone of (701) 205-3000. NPI 1639131014 was issued on 04/03/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what PETERSON most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 184 prescription claims written by this provider, covering 18 Medicare beneficiaries and totaling roughly $13K in drug spend. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Psychiatry Physician is a high-volume specialty nationwide, with 53,104 enrolled providers across 56 states and an average of 1,038 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

4700 S WASHINGTON ST STE G
GRAND FORKS, ND 58201

Provider Details

NPI 1639131014
Specialty Psychiatry Physician
Credentials MD
Gender Male
NPI Issued 04/03/2006

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

184
Total Claims
$13K
Total Drug Cost
18
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
192
Total Day Supply
3,457
Generic Drug Cost
$9K

Patient Demographics

Average Patient Age
70.4 years
Avg HCC Risk Score
1.73

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

Drug Claims
Memantine Hcl
27
Donepezil Hcl
26
Memantine Hcl Er
Memantine Hcl
26
Prazosin Hcl
25
Lurasidone Hcl
20
Buspirone Hcl
12

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Psychiatry Physician Overview

How THOMAS PETERSON, MD fits within the Psychiatry Physician landscape nationally.

53,104
Psychiatry Physician Providers in US
56
States with Psychiatry Physician
1,038
Avg Claims per Provider

THOMAS PETERSON, MD's 184 claims are below the specialty average of 1,038.

Nearby Psychiatry Physician Providers in North Dakota

Other clinicians with the same primary specialty enrolled in North Dakota, drawn from the same CMS NPPES roster as PETERSON.

Compare Psychiatry Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is THOMAS PETERSON, MD's specialty?
THOMAS PETERSON, MD specializes in Psychiatry Physician and practices in GRAND FORKS, North Dakota. Credentials: MD.
How much does THOMAS PETERSON, MD prescribe under Medicare Part D?
In 2023, THOMAS PETERSON, MD wrote 184 Medicare Part D claims totaling $13K in drug costs for 18 beneficiaries.
Where is THOMAS PETERSON, MD located?
THOMAS PETERSON, MD is located at 4700 S WASHINGTON ST STE G, GRAND FORKS, ND, 58201. Phone: (701) 205-3000.
What is THOMAS PETERSON, MD's NPI number?
THOMAS PETERSON, MD's National Provider Identifier (NPI) is 1639131014, issued on 04/03/2006.
How many Psychiatry Physician providers are there in the US?
There are 53,104 Psychiatry Physician providers across 56 states in the US. The average Psychiatry Physician provider writes 1,038 Medicare Part D claims per year.
What drugs does THOMAS PETERSON, MD prescribe most often?
Based on 2023 Medicare Part D data, THOMAS PETERSON, MD's most frequently prescribed drugs include Memantine Hcl, Donepezil Hcl, Memantine Hcl Er. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does THOMAS PETERSON, MD accept Medicare?
THOMAS PETERSON, MD appears in CMS Medicare data with 184 Part D claims and 18 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify THOMAS PETERSON, MD's credentials?
THOMAS PETERSON, MD's NPI is 1639131014 with credentials MD. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology