NPPES file of Aug 9, 2026

Clinical Pathology/Laboratory Medicine Physician in Maryland

23 NPPES records list clinical pathology/laboratory medicine physician with a practice address in Maryland, 0.4 per 100,000 residents, the 23rd highest rate of 49. Baltimore and Rockville have the most; each record links to the provider's NPI and the Maryland license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207ZP0105X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Baltimore has the most, 16

  1. Baltimore16
  2. Rockville3
  3. Potomac2
  4. Elkton1
  5. Glen Burnie1

Clinical Pathology/Laboratory Medicine Physician records in Maryland

  1. Edgar Alonsozana, MDBaltimore, MD 212021649212085
  2. Jing Cai, MDRockville, MD 208521649234774
  3. Rachel ColangeloBaltimore, MD 212871093538605
  4. Bennett Edelman, M.D.Baltimore, MD 212011124057013
  5. Nicolas Giraldo Castillo, MD, PHDBaltimore, MD 212871740717396
  6. Sarah HelmanBaltimore, MD 212011609455047
  7. Brian Jackson, MDBaltimore, MD 212011255421855
  8. Glenn Jockle, MDBaltimore, MD 212021548202989
  9. Sophia Kotliar, M.D.Elkton, MD 219211699775395
  10. Fanghong Li, M.D.Baltimore, MD 212871396958344
  11. Ming-Tseh Lin, M.D.Baltimore, MD 212871043362536
  12. Lisa Logan, MDBaltimore, MD 212021154367860
  13. Sherman McCall, MDRockville, MD 208501316922743
  14. Alice Meiss, MDBaltimore, MD 212871275026775
  15. Kathleen Murphy, PHDBaltimore, MD 212871396944344
  16. Steven Pearlman, M.D.Baltimore, MD 212041093745846
  17. Edward Siguel, MDRockville, MD 208501326244369
  18. Jackson Snyder, MDPotomac, MD 208541952894503
  19. Ying Sun, MDBaltimore, MD 212641114546694
  20. John Ticehurst, M.D.Glen Burnie, MD 210611962558437
  21. Gary Warnock, D.D.S.Baltimore, MD 212871992740591
  22. Robert Wenk, M.D.Baltimore, MD 212291366553455
  23. Zhen Zhao, PHDPotomac, MD 208541750810032

Source: CMS NPPES, primary taxonomy 207ZP0105X: records by practice city and the list of records, file of Aug 9, 2026.

Maryland ranks 23 of 49 per resident

  1. Mississippi0.4
  2. Kansas0.4
  3. Oregon0.4
  4. Maryland0.4
  5. Alabama0.4
  6. Florida0.4
  7. 50 states and D.C.0.4

Source: CMS NPPES, primary taxonomy 207ZP0105X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

43.5% of these records appear in a Medicare file, against 49.3% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Maryland43.5%
  2. United States49.3%

Clinical Pathology/Laboratory Medicine Physician records in Maryland, measured

  • In a Medicare file10 of 23 · 43.5% here, 49.3% nationally
  • In the CMS Doctors and Clinicians file9 · 39.1% here, 41.7% nationally
  • Not updated in five years or more12 · 52.2% here, 65.6% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207ZP0105X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

23 NPPES records list clinical pathology/laboratory medicine physician (207ZP0105X) as their primary taxonomy with a practice address in Maryland: 0.4 per 100,000 residents against 0.4 nationally (50 states and D.C.). Baltimore has 16 of them (70%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Georgia21
  2. Alabama19
  3. Michigan27
  4. New Mexico27

States with a similar rate per 100,000

  1. Florida0.4
  2. Oregon0.4
  3. Kansas0.4
  4. California0.3

The largest states

  1. California131
  2. New York102
  3. Pennsylvania86
  4. Florida83
  5. Wisconsin80

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record 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.