Updated October 2026

Physician assistants in Columbia, MD

Physician assistant
Columbia, Maryland

Physician assistants: 69
Linked to a hospital or group: 55
Hospitals with a physician assistant: 11
Medical groups with a physician assistant: 57
Practice at a hospital: 27

There are 69 physician assistants in Columbia. Johns Hopkins University has the most, 17, and Johns Hopkins Howard County Medical Center has the most affiliated physician assistants, 17.

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Columbia physician assistants, listed A to Z by last name

Each physician assistant on the list has physician assistant as their primary specialty and a Columbia practice address. The list shows the NPI, and how many hospitals and medical groups each one practices with. A free account names every hospital and group, with validated contacts.

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Columbia physician assistants, A to Z
Physician assistant	Hospitals	Medical groups	Email and phone
Brittany Abbate, PANPI 1992487078	-	1 group	Contacts
Donald W. Augustin, PA-CNPI 1194704205	2 hospitals	10 groups	Contacts
Sriram Balu, PA-CNPI 1255775268	1 hospital	3 groups	Contacts
Kylie Lynn Baren, PA-CNPI 1457890147	1 hospital	2 groups	Contacts
Caitlin Ella Beane, PA-CNPI 1376824706	1 hospital	3 groups	Contacts
Christopher Benn, PANPI 1639841190	-	1 group	Contacts
Esther Ben Or, PA-CNPI 1336473644	1 hospital	2 groups	Contacts
Amber Bokhari, PA-CNPI 1255807228	-	1 group	Contacts
Jack Samuel CatanzariteNPI 1164246971	-	1 group	Contacts
Victoria ChiuNPI 1255159513	-	1 group	Contacts
Timothy A. Clark, PA-CNPI 1336851724	-	2 groups	Contacts
Barbara Anita Clorey, PA-CNPI 1073607669	-	4 groups	Contacts
Samantha Nicole Coburn, PA-CNPI 1568061281	3 hospitals	1 group	Contacts
Nikitta DhillonNPI 1619515442	1 hospital	2 groups	Contacts
Caroline Dong, PA-CNPI 1922704691	2 hospitals	3 groups	Contacts
Josephine M. Dubon, PANPI 1235638115	1 hospital	1 group	Contacts
Joy D. Dubrovich, PA-CNPI 1609050855	-	3 groups	Contacts
Malak Ehab ElgammalNPI 1467289264	-	2 groups	Contacts
Adrian Alonso Feijoo, PA-CNPI 1578865044	-	4 groups	Contacts
Ruth Zisle Feldman, PA-CNPI 1255930624	-	1 group	Contacts
Praveena Gadam, PA-CNPI 1669709853	-	1 group	Contacts
Laura Galbraith, PA-CNPI 1568948099	2 hospitals	2 groups	Contacts
Lily GraingerNPI 1326997925	-	1 group	Contacts
Maria E. Gregory, PA-CNPI 1669440210	1 hospital	1 group	Contacts
Kaley Hanlon, PA-CNPI 1659096477	2 hospitals	3 groups	Contacts
Lynn Hause, PA-CNPI 1023076767	1 hospital	1 group	Contacts
Tonya L. Hayes, PA-CNPI 1598180903	-	1 group	Contacts
Ethan Hersko, PA-CNPI 1861818627	1 hospital	4 groups	Contacts
Tuan A. Hoang, PA-CNPI 1861668758	1 hospital	1 group	Contacts
Sameera Naureen ImtiazNPI 1174047625	-	3 groups	Contacts
Casey Pa John, PA-CNPI 1083294201	-	1 group	Contacts
Cheryl Kinnard, PA-CNPI 1205803384	1 hospital	2 groups	Contacts
Alyssa Kjerulf, PA-CNPI 1730920026	1 hospital	1 group	Contacts
Kenneth Andrew Kriewald, PA-CNPI 1700361946	2 hospitals	5 groups	Contacts
Madison Grace Kutzera, PA-CNPI 1417524679	-	1 group	Contacts
Shoshana Rachel LebowitzNPI 1447077664	-	1 group	Contacts
Marili LemusNPI 1992584536	-	2 groups	Contacts
Laura Lysk, PA-CNPI 1730433301	-	1 group	Contacts
John William Mcatee, PA-CNPI 1659497246	-	2 groups	Contacts
Nathan Mychak, PA-CNPI 1255603510	-	3 groups	Contacts
Khajae Monique NewellNPI 1407262363	2 hospitals	4 groups	Contacts
Melissa Renee Nickols, PA-CNPI 1396238499	1 hospital	3 groups	Contacts
Yewande A. Olasimbo, PA-CNPI 1265771109	-	6 groups	Contacts
Chandni Patel, PA-CNPI 1639997729	-	1 group	Contacts
Isabel Burick RoseNPI 1316609548	2 hospitals	1 group	Contacts
Corrine M. Russo, PA-CNPI 1093236945	1 hospital	18 groups	Contacts
Jennifer Saxton, PA-CNPI 1831121953	2 hospitals	2 groups	Contacts
Suzana Mansoldo Silva, PA-CNPI 1942750633	-	2 groups	Contacts
Elizabeth Steinberg, PA-CNPI 1922044130	-	3 groups	Contacts
Emily Yaneiri Velasquez, PA-CNPI 1104540731	-	1 group	Contacts

Showing 1 to 10 of 55 Columbia physician assistants

The list shows the 55 physician assistants with a public profile. The other 14 are counted in the total and searchable with a free account.

Sources: NPPES NPI Registry (CMS) and Dmand AI Affiliation Data

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Dmand AI has the EHR for 56 of 69 Columbia physician assistants, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.

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Johns Hopkins University has the most physician assistants in Columbia, with 17

MedStar Health: Urgent Care in Wheaton is second with 6, and Johns Hopkins Department of Orthopaedic Surgery third with 5. Counts are physician assistants with a Maryland address linked to each group.

Medical groups with the most physician assistants in Columbia
#	Medical group	Parent organization	Physician assistants
1	Johns Hopkins UniversityBaltimore	Parent on file	17
2	MedStar Health: Urgent Care in WheatonWheaton	Parent on file	6
3	Johns Hopkins Department of Orthopaedic SurgeryMiddle River	Parent on file	5
4	FirstCall Medical CenterColumbia	-	5
5	Centennial Medical GroupColumbia	-	4
6	Righttime Medical CareRockville	Parent on file	4
7	The Centers for Advanced OrthopaedicsBethesda	-	4
8	Johns Hopkins Community PhysiciansMiddle River	Parent on file	4
9	First Medical AssociatesGermantown	Parent on file	3
10	ExpressCare Urgent Care CentersBel Air	Parent on file	3

Top 10 of 57 Columbia medical groups with a physician assistant

Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data

Johns Hopkins Howard County Medical Center has the most affiliated physician assistants in Columbia, with 17

The Johns Hopkins Hospital is second with 6, and Johns Hopkins Bayview Medical Center third with 4. Columbia physician assistants are affiliated with 11 hospitals in all.

Hospitals with the most physician assistants in Columbia
#	Hospital	Health system	Physician assistants
1	Johns Hopkins Howard County Medical CenterColumbia	Johns Hopkins Health System	17
2	The Johns Hopkins HospitalBaltimore	Johns Hopkins Health System	6
3	Johns Hopkins Bayview Medical CenterBaltimore	Johns Hopkins Health System	4
4	Holy Cross HospitalSilver Spring	Trinity Health	1
5	Ascension Saint Agnes HospitalBaltimore	Ascension	1
6	Sinai Hospital of BaltimoreBaltimore	LifeBridge Health	1
7	MedStar Montgomery Medical CenterOlney	MedStar Health	1
8	TidalHealth Peninsula RegionalSalisbury	TidalHealth Peninsula Regional	1
9	Luminis Health Anne Arundel Medical CenterAnnapolis	Luminis Health	1
10	Northwest HospitalRandallstown	LifeBridge Health	1

Top 10 of 11 Columbia hospitals with an affiliated physician assistant

See every hospital and group for each Columbia physician assistant

Each public profile names one place a physician assistant practices. A free account shows all of them, with the employer, the EHR and validated contacts.

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Source: Dmand AI Affiliation Data

Group practices and clinics are the most common site of care for Columbia physician assistants, with 33

27 also practice at hospitals, and 12 at an ambulatory surgery center. A physician assistant can practice at several kinds of site, so the shares overlap.

Columbia physician assistants by site of care

Medical group practices3363%
Hospitals2752%
Ambulatory surgery centers1223%
Urgent care centers510%
Skilled nursing facilities48%

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

Every Columbia physician assistant profile shows current hospitals and groups, Medicare activity and NPI details

Primary practiceThe main place they practice, with its type and cityOn every profile
Every site of careEach hospital, clinic and group where they practice nowWith a free account
EmployerThe organization they work for, when one is on fileWith a free account
Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
EHR in useThe EHR at each site where they practiceWith a free account
Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account

Free account: 30 days free, self-serve, no credit card.

Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data

Sources for the Columbia physician assistant directory

Sources for the data on this page
Data on this page	Source
HCPs, types and specialties	NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Sites of care, hospitals and medical groups	Dmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracy Remove my information

Physician assistants are HCPs whose primary specialty is physician assistant (taxonomy code 363A00000X), with an active NPI and a Columbia practice address.

FAQ

Frequently asked questions about physician assistants in Columbia

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

How many physician assistants are in Columbia?

69 physician assistants have an active NPI, a Columbia practice address and physician assistant (taxonomy code 363A00000X) as their primary specialty. 55 of them are linked to a hospital or medical group.

Which Columbia medical groups have the most physician assistants?

Johns Hopkins University, with 17, followed by MedStar Health: Urgent Care in Wheaton with 6 and Johns Hopkins Department of Orthopaedic Surgery with 5.

Which Columbia hospitals have the most physician assistants?

Johns Hopkins Howard County Medical Center, with 17 affiliated physician assistants, followed by The Johns Hopkins Hospital with 6 and Johns Hopkins Bayview Medical Center with 4.

What share of Columbia physician assistants practice at a hospital?

27 of the 52 Columbia physician assistants with a mapped site of care, or 52%, have a current hospital affiliation.

What is the taxonomy code for physician assistant?

363A00000X is the NPPES taxonomy code for physician assistant. Sub-specialties with their own code are counted on their own lists.

How can I contact physician assistants in Columbia?

Dmand AI finds validated work emails, mobile numbers and practice phone numbers for physician assistants in Columbia through healthcare waterfall enrichment, matched to the site where each one practices now. They are available with a free Dmand AI account: 30 days free, self-serve, no credit card.

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