Malcolm V. Brock, M.D.
Surgery Physician · Baltimore, MD
Malcolm V. Brock, M.D. is a surgery physician with a practice address in Baltimore, Maryland, and NPI 1396702635, issued on Apr 28, 2006. Check the license (Maryland D44406, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Malcolm V. Brock
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- D44406 MD
Self-reported in NPPES; status is on the state search - Practice location
- 600 N Wolfe St, Baltimore, MD 21287
- Phone
- (410) 955-5464
- Enumerated
- Apr 28, 2006
- Record last updated
- Jan 30, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 449861500 MD
- Medicare enrollment
- Enrolled (PECOS I20130625000232); may accept Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 672 in Maryland → Look up another NPI →
Also registered at 600 N Wolfe St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Malcolm V. Brock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D44406Check 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% more Medicare Part D claims than the average surgery physician in 2024
280 Medicare Part D claims for 41 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Oxybutynin Chloride Er122 claims
- Guanfacine Hcl Er59 claims
- Guanfacine Hcl27 claims
- Dronabinol14 claims
- Glycopyrrolate13 claims
- Oxybutynin Chloride13 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): 74.4 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).
Bills Medicare through one group practice
- Johns Hopkins UniversityBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Malcolm V. Brock among 672 surgery physician records in Maryland
Malcolm V. Brock, M.D. is one of 672 surgery physician records with a practice address in Maryland. 69% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 55% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1991 · median 2003 among the 385 with a school on file
- Record last updated2014 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Maryland
There are 672 surgery physician records in Maryland.
All 672 in Maryland → Every provider in Baltimore → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Charles Balch, M.D.Baltimore, MD 212871477518645
- Bill Baumgartner, M.D.Baltimore, MD 212871639135411
- John Cameron, M.D.Baltimore, MD 212871053379305
- Andrew Cameron, M.D.Baltimore, MD 212871952354383
- Paul Colombani, M.D.Baltimore, MD 212871134198559
- David Efron, M.D.Baltimore, MD 212871437190063
- Susan Gearhart, M.D.Baltimore, MD 212871245277029
- John Harmon, M.D.Baltimore, MD 212871356391494
Common questions
What is Malcolm V. Brock, M.D.'s NPI number?
Malcolm V. Brock, M.D.'s National Provider Identifier (NPI) is 1396702635, issued on Apr 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Malcolm V. Brock, M.D. located?
The NPPES record lists a practice address at 600 N Wolfe St, Baltimore, MD, 21287. Phone: (410) 955-5464. Providers update this record themselves, so call before visiting.
How can I verify Malcolm V. Brock, M.D.'s license?
NPPES lists Maryland license number D44406, 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 Malcolm V. Brock, M.D. prescribe under Medicare Part D?
In 2024, Malcolm V. Brock, M.D. had 280 Medicare Part D claims for 41 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Malcolm V. Brock, M.D.'s MIPS final score?
The 2023 MIPS final score is 74.4 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.