Robert W. Ross, M.D.
Infectious Disease Physician · Columbia, MD
Robert W. Ross, M.D. is an infectious disease physician with a practice address in Columbia, Maryland, and NPI 1700999745, issued on Aug 16, 2006. Check the license (Maryland D0055820, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Robert W. Ross
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- D0055820 MD
Self-reported in NPPES; status is on the state search - Practice location
- 11055 Little Patuxent Pkwy, Columbia, MD 21044
- Phone
- (410) 884-1311
- Enumerated
- Aug 16, 2006
- Record last updated
- May 12, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 402077400 MD
- Medicare enrollment
- Enrolled (PECOS I20040826000963); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 410 in Maryland → Look up another NPI →
Also registered at 11055 Little Patuxent Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Merrill Ansher, MDNeurology Physician1932176294
- Mark Bullock, M.D.Orthopaedic Surgery Physician1699835017
- Massimo Fiandaca, M.D.Specialist1326063264
- Diane Gaspar, P.A. - C.Physician Assistant1245459734
- Ramya Gopinath, M.D.Infectious Disease Physician1376656306
- Scott Holzman, PH.D.Clinical Psychologist1568508901
Verify Robert W. Ross in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0055820Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average infectious disease physician in 2024
71 Medicare Part D claims for 23 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.
Most prescribed
- Vancomycin Hcl13 claims
- Triumeq12 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 practice group's MIPS final score for 2023 (Medicare payment program): 72.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $224.68
13 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Johns Hopkins Regional Physicians LLCEllicott City, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert W. Ross among 410 infectious disease physician records in Maryland
Robert W. Ross, M.D. is one of 410 infectious disease physician records with a practice address in Maryland. 59% 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 · 59% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated1997 · median 2002 among the 202 with a school on file
- Record last updated2008 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Maryland
There are 410 infectious disease physician records in Maryland.
All 410 in Maryland → Every provider in Columbia → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Ramya Gopinath, M.D.Columbia, MD 210441376656306
- Angela Kopack, MDColumbia, MD 210441033253471
- Poonum Korpe, MDColumbia, MD 210441881853950
- Prashanth Santhekadur, MDColumbia, MD 210441780706820
- Joseph Chang, MDEllicott City, MD 210431295120400
- Ravindra Karmarkar, MDEllicott City, MD 210431356380372
- Benjamin Landrum, MDEllicott City, MD 210431124131149
- Madeeha Shams, M.D.Ellicott City, MD 210431194138131
Common questions
What is Robert W. Ross, M.D.'s NPI number?
Robert W. Ross, M.D.'s National Provider Identifier (NPI) is 1700999745, issued on Aug 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert W. Ross, M.D. located?
The NPPES record lists a practice address at 11055 Little Patuxent Pkwy, Columbia, MD, 21044. Phone: (410) 884-1311. Providers update this record themselves, so call before visiting.
How can I verify Robert W. Ross, M.D.'s license?
NPPES lists Maryland license number D0055820, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert W. Ross, M.D. prescribe under Medicare Part D?
In 2024, Robert W. Ross, M.D. had 71 Medicare Part D claims for 23 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Robert W. Ross, M.D.'s MIPS final score?
The 2023 MIPS final score is 72.9 of 100, reported for the practice group. 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.