Margaret Walkup Arnold, M.D.
Vascular Surgery Physician · Baltimore, MD
Margaret Walkup Arnold, M.D. is a vascular surgery physician with a practice address in Baltimore, Maryland, and NPI 1043439268, issued on Apr 25, 2007. Check the license (Maryland D73428, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Margaret Walkup Arnold
- Credential
- M.D.
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License numbers
- D73428 MD
60 251976 NY
Self-reported in NPPES; status is on the state search - Practice location
- 4940 Eastern Ave, Baltimore, MD 21224
- Phone
- (410) 550-4335
- Enumerated
- Apr 25, 2007
- Record last updated
- Aug 22, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120625000442); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 103 in Maryland → Look up another NPI →
Also registered at 4940 Eastern Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jared Abay, PA-CSurgical Physician Assistant1659427342
- Alexandra Abbate, MDObstetrics & Gynecology Physician1194287003
- Anas AbdullahStudent in an Organized Health Care Education/Training Program1184040917
- Asma Abeer, PA-CMedical Physician Assistant1386356442
- Mona Abraham, MDStudent in an Organized Health Care Education/Training Program1245807395
- Sherifatu Abu, MDInternal Medicine Physician1093372922
Verify Margaret Walkup Arnold in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D73428Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average vascular surgery physician in 2024
15 Medicare Part D claims, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. Brand-name drugs were 87% of claims.
Most prescribed
- Eliquis13 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): 88.2 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: $1,642.78
7 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, Inc. The 4,059 providers of this specialty with any payment received $6,178.00 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 2 group practices
- Medstar Heart Institute LLCBel Air, MD
- Medstar Medical Group II LLCRosedale, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Walkup Arnold among 103 vascular surgery physician records in Maryland
Margaret Walkup Arnold, M.D. is one of 103 vascular surgery physician records with a practice address in Maryland. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 51% of them.
- NPI issued2007 · 51% of these records are older, 34% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2002 · median 2001 among the 79 with a school on file
- Record last updated2019 · 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 2086S0129X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in Maryland
There are 103 vascular surgery physician records in Maryland.
All 103 in Maryland → Every provider in Baltimore → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- Stanley Minken, MDBaltimore, MD 212281881662237
- Vladimir Coca Soliz, M.D.Baltimore, MD 212291952537995
- Avinash Ganti, M.D.Baltimore, MD 212291346257540
- Omar Karim, M.D.Baltimore, MD 212291780973362
- Donald Wilkerson, M.D.Baltimore, MD 212291922045541
- Michael Zatina, M.D.Baltimore, MD 212291376592923
- Kevin Brown, MDBaltimore, MD 212181811042641
- Jason Chin, M.D.Baltimore, MD 212181710245931
Common questions
What is Margaret Walkup Arnold, M.D.'s NPI number?
Margaret Walkup Arnold, M.D.'s National Provider Identifier (NPI) is 1043439268, issued on Apr 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Walkup Arnold, M.D. located?
The NPPES record lists a practice address at 4940 Eastern Ave, Baltimore, MD, 21224. Phone: (410) 550-4335. Providers update this record themselves, so call before visiting.
How can I verify Margaret Walkup Arnold, M.D.'s license?
NPPES lists Maryland license number D73428, 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 Margaret Walkup Arnold, M.D. prescribe under Medicare Part D?
In 2024, Margaret Walkup Arnold, M.D. had 15 Medicare Part D claims; the average among vascular surgery physician prescribers was 201. Part D covers Medicare prescriptions only.
What is Margaret Walkup Arnold, M.D.'s MIPS final score?
The 2023 MIPS final score is 88.2 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.