NPPES file of Aug 9, 2026

Kalonji Collins, M.D., PH.D.

Rheumatology Physician · Halethorpe, MD

Kalonji Collins, M.D., PH.D. is a rheumatology physician with a practice address in Halethorpe, Maryland, and NPI 1619126711, issued on Sep 12, 2008. Check the license (Maryland D70544, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619126711
Name
Kalonji Collins
Credential
M.D., PH.D.
Primary taxonomy
Rheumatology Physician 207RR0500X
License numbers
D70544 MD
MD036798 DC
0101247082 VA
Self-reported in NPPES; status is on the state search
Practice location
1701 Twin Springs RD, Halethorpe, MD 21227
Phone
(410) 737-5560
Enumerated
Sep 12, 2008
Record last updated
Jun 1, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(410) 737-5531
Medicare enrollment
Enrolled (PECOS I20131113001657); accepts Medicare assignment
Medical or professional school
Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 2004
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 1701 Twin Springs RD

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

  1. Saif Al-Bustani, MD, DMDPlastic Surgery Physician1578767653
  2. Martina Angelini Schwartz, MDPediatrics Physician1689734352
  3. Rezene Asghodom, RPH, MSCPharmacist1093242141
  4. Tisha Barnett, M.D.Internal Medicine Physician1457643587
  5. Anna Braun, MPAS, PA-CPhysician Assistant1679631576
  6. Catherine Campbell, M.D.Cardiovascular Disease Physician1639212475

Verify Kalonji Collins in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D70544
    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 Maryland license search

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35% more Medicare Part D claims than the average rheumatology physician in 2024

2,673 Medicare Part D claims for 522 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.

  1. Kalonji Collins2,673
  2. Specialty average1,978

Most prescribed

  1. Methotrexate459 claims
  2. Hydroxychloroquine Sulfate319 claims
  3. Prednisone288 claims
  4. Allopurinol269 claims
  5. Amjevita(Cf) Autoinjector240 claims
  6. Colchicine144 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.

Bills Medicare through one group practice

  1. Kaiser Foundation Health Plan OF The Mid Atlantic States, IncHalethorpe, MD

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

Rheumatology Physician providers in Maryland

There are 214 rheumatology physician records in Maryland.

Other rheumatology physician records in Maryland

  1. Jonathan Adelson, M.D.Greenbelt, MD1700864501
  2. Naila Ahmad, MDEaston, MD1366451619
  3. Grace Ahn, M.D.Rockville, MD1982884896
  4. Ashika Ajitkumar, MDBaltimore, MD1659044436
  5. Maria Alba-Dauhajre, MDSilver Spring, MD1487676458
  6. Jemima Felicity Albayda, MDBaltimore, MD1285955765
  7. Shabnam Ali, M.D.Columbia, MD1487837837
  8. Dareen Almanabri, M.D.Hollywood, MD1679869051
  9. Mariam Ameri, MDAnnapolis, MD1588807861
  10. Brendan Antiochos, M.D.Baltimore, MD1174799092

Common questions

What is Kalonji Collins, M.D., PH.D.'s NPI number?

Kalonji Collins, M.D., PH.D.'s National Provider Identifier (NPI) is 1619126711, issued on Sep 12, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Kalonji Collins, M.D., PH.D. located?

The NPPES record lists a practice address at 1701 Twin Springs RD, Halethorpe, MD, 21227. Phone: (410) 737-5560. Providers update this record themselves, so call before visiting.

How can I verify Kalonji Collins, M.D., PH.D.'s license?

NPPES lists Maryland license number D70544, 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 Kalonji Collins, M.D., PH.D. prescribe under Medicare Part D?

In 2024, Kalonji Collins, M.D., PH.D. had 2,673 Medicare Part D claims for 522 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

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.