NPPES file of Aug 9, 2026

William Robert Hammond, M. D.

Sleep Medicine (Internal Medicine) Physician · Charlottesville, VA

William Robert Hammond, M. D. is a sleep medicine (internal medicine) physician with a practice address in Charlottesville, Virginia, and NPI 1740223320, issued on Jun 13, 2006. Check the license (Virginia 0101032072, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740223320
Name
William Robert Hammond
Credential
M. D.
Primary taxonomy
Sleep Medicine (Internal Medicine) Physician 207RS0012X
License number
0101032072 VA
Self-reported in NPPES; status is on the state search
Practice location
500 Martha Jefferson Dr FL 5, Charlottesville, VA 22911
Phone
(434) 654-5260
Enumerated
Jun 13, 2006
Record last updated
Jul 3, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(434) 654-5262
Medicare enrollment
Enrolled (PECOS I20080814000677); accepts Medicare assignment
Medical or professional school
Virginia Commonwealth University, School Of Medicine, 1977
Telehealth
Offers telehealth (CMS)
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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Also registered at 500 Martha Jefferson Dr FL 5

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

  1. David Calhoun, MDSleep Medicine (Internal Medicine) Physician1164468229
  2. Elizabeth Driscoll, FNPFamily Nurse Practitioner1699001016
  3. Elizabeth Foreman, MDSleep Medicine (Internal Medicine) Physician1336357078
  4. Taylor Geddes, PA-CPhysician Assistant1902632748
  5. Zachary Gregg, M.D.Colon & Rectal Surgery Physician1285836312
  6. Keri Hall, M.D.Infectious Disease Physician1245309871

Verify William Robert Hammond 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 0101032072
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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62% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024

222 Medicare Part D claims for 51 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.

  1. William Hammond222
  2. Specialty average585

Most prescribed

  1. Dextroamphetamine-Amphetamine29 claims
  2. Armodafinil24 claims
  3. Modafinil20 claims
  4. Lorazepam19 claims
  5. Ropinirole Hcl16 claims
  6. Albuterol Sulfate Hfa13 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.

The MIPS final score for 2023 (Medicare payment program): 95.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score86.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Martha Jefferson Medical Group LLCCharlottesville, VA

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

William Robert Hammond among 46 sleep medicine (internal medicine) physician records in Virginia

William Robert Hammond, M. D. is one of 46 sleep medicine (internal 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 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 43% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1977 · median 2000 among the 32 with a school on file
  • Record last updated2018 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sleep Medicine (Internal Medicine) Physician providers in Virginia

There are 46 sleep medicine (internal medicine) physician records in Virginia.

The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes

  1. David Calhoun, MDCharlottesville, VA 229111164468229
  2. Elizabeth Foreman, MDCharlottesville, VA 229111336357078
  3. Gerard Santos, MDCharlottesville, VA 229111336241272
  4. Eric Davis, MDCharlottesville, VA 229031922266048
  5. Daniel O'Hearn, M.D.Charlottesville, VA 229031952419517
  6. Scott Schecter, M.D.Charlottesville, VA 229031285046904
  7. William Cale, MDHarrisonburg, VA 228011376591172
  8. Douglas Puryear, M.D.Midlothian, VA 231121295768521

Common questions

What is William Robert Hammond, M. D.'s NPI number?

William Robert Hammond, M. D.'s National Provider Identifier (NPI) is 1740223320, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Robert Hammond, M. D. located?

The NPPES record lists a practice address at 500 Martha Jefferson Dr FL 5, Charlottesville, VA, 22911. Phone: (434) 654-5260. Providers update this record themselves, so call before visiting.

How can I verify William Robert Hammond, M. D.'s license?

NPPES lists Virginia license number 0101032072, 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 William Robert Hammond, M. D. prescribe under Medicare Part D?

In 2024, William Robert Hammond, M. D. had 222 Medicare Part D claims for 51 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. Part D covers Medicare prescriptions only.

What is William Robert Hammond, M. D.'s MIPS final score?

The 2023 MIPS final score is 95.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.