NPPES file of Aug 9, 2026

Doctors and health care providers in Arnold, MD

307 individual NPPES records list a practice address in Arnold, 75th of 284 Maryland cities. The largest group is clinical social worker: 27, 9% of the city's records, against 6% across Maryland. Page 3 of 7.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Arnold in Maryland

  • Rank in Maryland75th of 284 cities by records
  • Share of the state0.2% of Maryland's records
  • Specialties present25 or more taxonomy codes
  • Top three groups22.1% of all records

Compared with Maryland as a whole, Arnold has 3× the state's share of family medicine physician records.

Providers in Arnold, alphabetically

  1. John HarmonOccupational Therapy Assistant1265553861
  2. Jaime Harn, LCPCMental Health Counselor1487384319
  3. Roger Harris, M.D.Psychiatry Physician1497945760
  4. Joanne Hasman, CNMAdvanced Practice Midwife1326092545
  5. Meredith Hedges Hernandez, M. MFTMarriage & Family Therapist1386781078
  6. William Hemmer, DVMVeterinarian1831433242
  7. Robert Herman, MDPsychiatry Physician1760463913
  8. Edwin Hernandez-Martinez, LMSWClinical Social Worker1154020600
  9. Shreya Hessler, PSYDPsychologist1144211442
  10. Holly Hiltner-Fullmer, PSY.D.Clinical Psychologist1356777106
  11. Christy HinesDoula1396148227
  12. Diane Hirsh, LCPCProfessional Counselor1265748453
  13. Nadine Holt, SLPSpeech-Language Pathologist1366592495
  14. Sheanita Howard, MDPediatric Adolescent Medicine Physician1659699254
  15. Natalie Hucke, OT/LOccupational Therapist1669881652
  16. Bryce Hudak, LCSW-CClinical Social Worker1588068019
  17. Eliza Huebner, M.D.Pediatrics Physician1427410455
  18. Kelly Hunt, APRN, FNP-CPsychiatric/Mental Health Nurse Practitioner1346691896
  19. Shanzay IbrazSpeech-Language Pathologist1548132806
  20. Elias Inscoe, PHARMDPharmacist1033605464
  21. Megan JeromeOccupational Therapist1871211433
  22. Jazmine JohnsonPharmacist1124576806
  23. Maura Johnston, LGPCMental Health Counselor1245175686
  24. Tiffany Jones-Rouse, LCSW-C, CSC-ADClinical Social Worker1740611599
  25. Emily Joseph, SLPSpeech-Language Pathologist1629852777
  26. Amy Kane, RNCommunity Health Registered Nurse1679796304
  27. Jodi Katzen, MA., CCC-SLPSpeech-Language Pathologist1861080384
  28. Simon KeeganPharmacist1154976694
  29. Diane Kelly, D.C.Chiropractor1578582375
  30. Jacqueline Kelly, MDPediatrics Physician1235231630
  31. Devin Kiessling, LCSW-CClinical Social Worker1437744893
  32. Rosa KimPharmacist1396142980
  33. Julia Kimbrough, CRNPFamily Nurse Practitioner1619417581
  34. Kelly Kimmel, ATCAthletic Trainer1104885276
  35. Joyce Kinsey, MSCN, RNNutritionist1538839774
  36. William Kirwan, PHD DMIN LCPCProfessional Counselor1134282395
  37. Carman Klassen, LCPCProfessional Counselor1710143391
  38. John Koloski, D.C.Chiropractor1235412859
  39. Robert Koski, DMDDentist1942793724
  40. Jill Kreitzer, LMTMassage Therapist1346008828
  41. Leor Krichilsky, M.D.Family Medicine Physician1295267821
  42. Adrian Lachapelle, RPHPharmacist1265451488
  43. Marcus Lachapelle, PHARMDPharmacist1548878903
  44. Cassandra Lacuin, RDHDental Hygienist1427822238
  45. Amber Lassally, LGSWSocial Worker1588066831
  46. Kevin Leary, LCPCCounselor1942086921
  47. David Leaverton, MDChild & Adolescent Psychiatry Physician1427155233
  48. Diane Lebedeff, DPMPodiatrist1629182217
  49. Melissa Leibman, P.T.A.Physical Therapist1770604126
  50. Mary Leonard, PHDClinical Psychologist1134362908

The largest Maryland cities

  1. Baltimore35,183
  2. Rockville14,353
  3. Bethesda7,245
  4. Columbia6,690
  5. Silver Spring6,531

All of Maryland →

How to read this directory

Arnold, Maryland appears in the CMS National Plan and Provider Enumeration System with 307 registered healthcare providers spanning 25 or more distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in Arnold - physicians, dentists, nurse practitioners, physician assistants, chiropractors, physical therapists, optometrists, psychologists, podiatrists, and every other credentialed provider type CMS tracks. It does not measure hospital beds, urgent-care capacity, or whether a given clinic is accepting new patients; it measures the pool of professionals with current NPI enrollment and a Arnold practice location on file. Every figure is drawn from the federal National Provider Identifier Registry (CMS NPPES) - more than 7 million providers, maintained since May 2007, with 2024 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.

The provider mix in Arnold is weighted toward Clinical Social Worker (27 clinicians, followed by Pharmacist with 25 and Speech-Language Pathologist with 16). That distribution reflects how NPPES records specialty: providers self-select a primary taxonomy code, so a family physician who also practices geriatrics will show up under whichever NUCC code they registered first. Relative to Maryland's population, Arnold reports roughly 5 providers per 100,000 residents using the state-level denominator, which is a rough proxy rather than a precise access-to-care measurement; the true catchment area of any {cityName} clinician extends beyond the municipal boundary.

Of Maryland's most common specialties, Behavior Technician is the most prominent one with no provider currently listing a Arnold practice address, a coverage gap Arnold patients typically fill by traveling to a larger nearby hub.

For Arnold patients, this directory is most useful as a starting shortlist. Important: PlainDoctor is a directory of publicly available CMS government data, not a review site, a ranking, or medical advice. NPPES data is self-reported and refreshed monthly; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients.

For informational purposes only; this directory is not medical advice and not a substitute for checking a license. See also: how to find a doctor and how to verify one.

Common questions

How many doctors are in Arnold, MD?

There are 307 registered healthcare providers in Arnold, MD, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Arnold?

The most common specialties in Arnold are Clinical Social Worker, Pharmacist, Speech-Language Pathologist, Family Nurse Practitioner, Professional Counselor. Clinical Social Worker has the most providers with 27.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov). Records are self-reported registrations, not licenses.

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.