NPPES file of Aug 9, 2026

Richard Patrick Erwin, M.D.

Neurology Physician · Fredericksburg, VA

Richard Patrick Erwin, M.D. is a neurology physician with a practice address in Fredericksburg, Virginia, and NPI 1073545794, issued on Jul 6, 2006. Check the license (Virginia 0101043579, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073545794
Name
Richard Patrick Erwin
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License number
0101043579 VA
Self-reported in NPPES; status is on the state search
Practice location
220 Executive Center Pkwy, Fredericksburg, VA 22401
Phone
(540) 899-2900
Enumerated
Jul 6, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(540) 899-3395
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 220 Executive Center Pkwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Stephanie Anderson, D.O.Hospice and Palliative Medicine (Internal Medicine) Physician1881126845
  2. Paul Colopy, MDNeurology Physician1811999550
  3. Barbara Decker, MDEpilepsy Physician1275951022
  4. Matthew Lynch, MDNeurology Physician1578774873
  5. Dale Pcsolyar, M.D.Neurology Physician1104855485
  6. Etsub Samuel, MDNeurology Physician1730742800

Verify Richard Patrick Erwin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0101043579
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Virginia license search

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86% fewer Medicare Part D claims than the average neurology physician in 2024

195 Medicare Part D claims for 97 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Richard Erwin195
  2. Specialty average1,370

Most prescribed

  1. Levetiracetam18 claims
  2. Carbidopa-Levodopa12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Richard Patrick Erwin among 548 neurology physician records in Virginia

Richard Patrick Erwin, M.D. is one of 548 neurology physician records with a practice address in Virginia. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 55% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 67% of these records are
  • Record last updated2007 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in Virginia

There are 548 neurology physician records in Virginia.

The 8 neurology physician records with the nearest ZIP codes

  1. Maha Alattar, MDFredericksburg, VA 224011013089598
  2. Paul Colopy, MDFredericksburg, VA 224011811999550
  3. Sandra Crouse, MDFredericksburg, VA 224011164631255
  4. Matthew Lynch, MDFredericksburg, VA 224011578774873
  5. Dale Pcsolyar, M.D.Fredericksburg, VA 224011104855485
  6. Etsub Samuel, MDFredericksburg, VA 224011730742800
  7. Mohammed Sarvath, MDFredericksburg, VA 224011710563879
  8. Chi-Kin Ng, MDAlexandria, VA 223151669540464

Common questions

What is Richard Patrick Erwin, M.D.'s NPI number?

Richard Patrick Erwin, M.D.'s National Provider Identifier (NPI) is 1073545794, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Richard Patrick Erwin, M.D. located?

The NPPES record lists a practice address at 220 Executive Center Pkwy, Fredericksburg, VA, 22401. Phone: (540) 899-2900. Providers update this record themselves, so call before visiting.

How can I verify Richard Patrick Erwin, M.D.'s license?

NPPES lists Virginia license number 0101043579, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Richard Patrick Erwin, M.D. prescribe under Medicare Part D?

In 2024, Richard Patrick Erwin, M.D. had 195 Medicare Part D claims for 97 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.