Robert David Herscowitz, M.D.
Pulmonary Disease Physician · Alexandria, VA
Robert David Herscowitz, M.D. is a pulmonary disease physician with a practice address in Alexandria, Virginia, and NPI 1801838776, issued on Jun 12, 2006. Check the license (Virginia 0101055633, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Robert David Herscowitz
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 0101055633 VA
Self-reported in NPPES; status is on the state search - Practice location
- 5216 Dawes Ave, Alexandria, VA 22311
- Phone
- (703) 931-4746
- Enumerated
- Jun 12, 2006
- Record last updated
- Oct 31, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (703) 931-1794
- Medicaid ID
- 005801389 VA
- Medicare enrollment
- Enrolled (PECOS I20110218000397); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 386 in Virginia → Look up another NPI →
Also registered at 5216 Dawes Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Roger Wigton, M.D.Pulmonary Disease Physician1649212549
- Juliette Wohlrab, M.D.Pulmonary Disease Physician1922041573
Verify Robert David Herscowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101055633Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% more Medicare Part D claims than the average pulmonary disease physician in 2024
2,142 Medicare Part D claims for 358 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 65% of claims.
Most prescribed
- Trelegy Ellipta368 claims
- Montelukast Sodium264 claims
- Breo Ellipta220 claims
- Albuterol Sulfate Hfa168 claims
- Anoro Ellipta114 claims
- Azelastine Hcl91 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): 91.5 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Pulmonary Associates LtdAlexandria, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert David Herscowitz among 386 pulmonary disease physician records in Virginia
Robert David Herscowitz, M.D. is one of 386 pulmonary disease physician records with a practice address in Virginia. 77% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 44% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1990 · median 2002 among the 252 with a school on file
- Record last updated2012 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Virginia
There are 386 pulmonary disease physician records in Virginia.
All 386 in Virginia → Every provider in Alexandria → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Karen Johnson, MDAlexandria, VA 223111285707018
- Rashid Nayyar, M.D.Alexandria, VA 223111336212141
- Thomas Smirniotopoulos, M.D.Alexandria, VA 223111902979727
- Roger Wigton, M.D.Alexandria, VA 223111649212549
- Juliette Wohlrab, M.D.Alexandria, VA 223111922041573
- Adnan Adawi, MDAlexandria, VA 223061538243019
- Robert Brammer, M.D.Alexandria, VA 223061609255090
- Katherine Cox-Flaherty, MDAlexandria, VA 223061427476290
Common questions
What is Robert David Herscowitz, M.D.'s NPI number?
Robert David Herscowitz, M.D.'s National Provider Identifier (NPI) is 1801838776, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert David Herscowitz, M.D. located?
The NPPES record lists a practice address at 5216 Dawes Ave, Alexandria, VA, 22311. Phone: (703) 931-4746. Providers update this record themselves, so call before visiting.
How can I verify Robert David Herscowitz, M.D.'s license?
NPPES lists Virginia license number 0101055633, 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 Robert David Herscowitz, M.D. prescribe under Medicare Part D?
In 2024, Robert David Herscowitz, M.D. had 2,142 Medicare Part D claims for 358 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Robert David Herscowitz, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.5 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.