PROVIDER PROFILE · NPI 1619943644
Mark WelchM.D.
CROSS-REFERENCE
Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 15 inbound referrers · 0 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| BETHESDA DERMATOPATHOLOGY LAB INC. | 187 | 258 |
| Mid-Atlantic Pathology Services, Inc. Clinical Laboratory · Sterling, VA | 81 | 108 |
| Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD | 68 | 131 |
| Brenda Berberian Dermatology · Chevy Chase, MD | 28 | 35 |
| Gayle Masri-Fridling Dermatology · Vienna, VA | 27 | 41 |
| AMERIPATH NEW YORK LLC | 21 | 24 |
| INOVA HEALTH CARE SERVICES | 19 | 30 |
| Sunrise Medical Laboratories, Inc. Clinical Laboratory · Hicksville, NY | 18 | 32 |
| Cohen Dermatopathology, P.C. Clinical Laboratory · Needham, MA | 18 | 37 |
| Aaron Fuchs Dermatology · Falls Church, VA | 13 | 18 |
| LOCKSHIN, NORMAN | 12 | 18 |
| Quest Diagnostics Nichols Institute, Inc. Clinical Laboratory · Chantilly, VA | 12 | 14 |