NPPES file of Aug 9, 2026

Joseph F. Chambers, M.D.

Family Medicine Physician · Manassas, VA

Joseph F. Chambers, M.D. is a family medicine physician with a practice address in Manassas, Virginia, and NPI 1376543645, issued on Jul 28, 2005. Check the license (Virginia 0101233994, 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
1376543645
Name
Joseph F. Chambers
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
0101233994 VA
Self-reported in NPPES; status is on the state search
Practice location
8640 Sudley RD, Manassas, VA 20110
Phone
(703) 368-3161
Enumerated
Jul 28, 2005
Record last updated
Apr 24, 2023
Fax
(703) 368-2498
Medicaid IDs
010054362 VA
1376543645 VA
Medicare enrollment
Enrolled (PECOS I20100218000745); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 4,137 in Virginia → Look up another NPI →

Also registered at 8640 Sudley RD

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

  1. Kari Blereau, NPFamily Nurse Practitioner1750719936
  2. Sarah Brady, NP-CNurse Practitioner1316297591
  3. Janet Breslin, CFNPNurse Practitioner1154321636
  4. Lynne Flagg, M.DFamily Medicine Physician1457349441
  5. Frank Giancola, MDPediatrics Physician1831190826
  6. Joanne Gutliph, M.D.Gynecology Physician1639151319

Verify Joseph F. Chambers 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 0101233994    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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18% more Medicare Part D claims than the average family medicine physician in 2024

4,189 Medicare Part D claims for 382 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 18 claims were for opioids.

  1. Joseph Chambers4,189
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium282 claims
  2. Lisinopril202 claims
  3. Simvastatin197 claims
  4. Metformin Hcl176 claims
  5. Levothyroxine Sodium173 claims
  6. Amlodipine Besylate147 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.

Bills Medicare through one group practice

  1. Uva Community Health Medical Group LLCManassas, VA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Joseph F. Chambers among 4,137 family medicine physician records in Virginia

Joseph F. Chambers, M.D. is one of 4,137 family medicine physician records with a practice address in Virginia. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 85% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1999 · median 2004 among the 2,426 with a school on file
  • Record last updated2023 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

55 family medicine physician records list a practice address in Manassas

They are 55 of the 2,327 NPPES records with a practice address in Manassas, and 4,137 family medicine physician records in Virginia.

All 4,137 in Virginia → Every provider in Manassas → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Elizabeth Buchinsky, MDManassas, VA 201101164427118
  2. Vincent Buchinsky, MDManassas, VA 201101902801947
  3. Parimal Desai, MDManassas, VA 201101134113285
  4. Lynne Flagg, M.DManassas, VA 201101457349441
  5. Christopher Heaton, MDManassas, VA 201101770588725
  6. Robert Latimer, M.D.Manassas, VA 201101053311555
  7. Michael Perez, M.D.Manassas, VA 201101609876135
  8. Cristinia Natalia Policarpio, M.D.Manassas, VA 201101316948086

Common questions

What is Joseph F. Chambers, M.D.'s NPI number?

Joseph F. Chambers, M.D.'s National Provider Identifier (NPI) is 1376543645, issued on Jul 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Joseph F. Chambers, M.D. located?

The NPPES record lists a practice address at 8640 Sudley RD, Manassas, VA, 20110. Phone: (703) 368-3161. Providers update this record themselves, so call before visiting.

How can I verify Joseph F. Chambers, M.D.'s license?

NPPES lists Virginia license number 0101233994, 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 Joseph F. Chambers, M.D. prescribe under Medicare Part D?

In 2024, Joseph F. Chambers, M.D. had 4,189 Medicare Part D claims for 382 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.