Clinical Pathologists (Laboratory Medicine) in Maryland
Data updated monthly · Last refresh October 2026
23 Clinical Pathology/Laboratory Medicine providers practice in Maryland. The largest concentration is in Baltimore. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
23providers
Baltimoretop city
Clinical Pathology/Laboratory Medicine by city in Maryland
Choose a city to see providers there.
Where Clinical Pathologists (Laboratory Medicine) in Maryland practice
From CMS Medicare enrollment records covering 6 of the 23 providers listed here (26%). Providers who do not bill Medicare are not included in these figures.
Largest practice groups
| Group (as registered with Medicare) | Clinical Pathologists (Laboratory Medicine) | All clinicians in group | Main city |
| St Paul Place Specialists, Inc.. | 3 | 332 | Baltimore |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Clinical Pathologists (Laboratory Medicine) affiliated |
| Mercy Medical Center Inc. | Baltimore | Nonprofit | 3 of 5 | 3 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Clinical Pathology/Laboratory Medicine providers in Maryland
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Alice Meiss, MDBaltimore, MD · $123 in drug and device payments (2025) ·
(410) 955-3439 Dr. Bennett Edelman, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 328-5514 Dr. Brian Jackson, MDBaltimore, MD · $3,000 in drug and device payments (2025) ·
(410) 328-5509 Dr. Edgar Alonsozana, MDBaltimore, MD · $29 in drug and device payments (2025) ·
(410) 332-9882 Dr. Fanghong Li, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(443) 287-0326 Dr. Gary Warnock, D.D.S.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-5933 Dr. Glenn Jockle, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 332-6882 Dr. Kathleen Murphy, PHDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-1439 Dr. Lisa Logan, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 332-9882 Dr. Ming-tseh Lin, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-8363 Dr. Nicolas Giraldo Castillo, MD, PHDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-3980 Dr. Rachel ColangeloBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-5000 Dr. Robert Wenk, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 644-4320 Dr. Sarah HelmanBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 328-8822 Dr. Steven Pearlman, M.D.Baltimore, MD · $46 in drug and device payments (2025) ·
(443) 849-3603 Dr. Ying Sun, MDBaltimore, MD · $41 in drug and device payments (2025) ·
(410) 955-5000 Dr. Sophia Kotliar, M.D.Elkton, MD · No drug or device payments recorded (2025) ·
(443) 674-1289 Dr. John Ticehurst, M.D.Glen Burnie, MD · $249,127 in drug and device payments (2025) ·
(410) 999-6421 Dr. Jackson Snyder, MDPotomac, MD · No drug or device payments recorded (2025) ·
(301) 298-1449 Dr. Zhen Zhao, PHDPotomac, MD · No drug or device payments recorded (2025) ·
(847) 757-6598 Dr. Edward Siguel, MDRockville, MD · No drug or device payments recorded (2025) ·
(301) 869-0836 Dr. Jing Cai, MDRockville, MD · No drug or device payments recorded (2025) ·
(301) 255-4053 Dr. Sherman Mccall, MDRockville, MD · No drug or device payments recorded (2025) ·
(301) 319-0297 Common questions
How many Clinical Pathology/Laboratory Medicine providers are in Maryland?There are 23 Clinical Pathology/Laboratory Medicine providers with active NPI records practicing in Maryland, according to federal NPPES data refreshed monthly.
Which cities in Maryland have the most Clinical Pathology/Laboratory Medicine providers?Baltimore (16), Rockville (3), Potomac (2) have the highest concentration of Clinical Pathology/Laboratory Medicine providers in Maryland.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Which hospitals do Clinical Pathologists (Laboratory Medicine) in Maryland work at?According to CMS facility affiliation records, the Maryland hospitals where the most Clinical Pathologists (Laboratory Medicine) hold privileges are Mercy Medical Center Inc. in Baltimore.
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