Diana Whitehead, MD

Medicare activity in 2024

Official CMS public-use data for Diana Whitehead, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)96 services
2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)94 services
3. Biopsy of large bowel using a flexible endoscope (45380)73 services
4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)70 services
5. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)64 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Arthritis55%
• Diabetes32%
• Ischemic heart disease31%
• Depression30%

Hospitals where Diana Whitehead works

Medicare's Facility Affiliation Data lists Diana Whitehead at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Carroll Hospital CenterWestminster, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210033
• Exeter Hospital IncExeter, NH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 300023
• Greater Baltimore Medical CenterBaltimore, MD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 210044
• Northwest Hospital CenterRandallstown, MD · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 210040
• WellSpan Evangelical Community HospitalLewisburg, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390013

Practice locations

Addresses where Diana Whitehead is enrolled with Medicare (CMS data updated October 2, 2026).

• 1838 Greene Tree Rd, Suite 400Pikesville, MD 21208 (410) 602‑7782
• 3 Alumni Dr, Suite 201Exeter, NH 03833 (603) 772‑5528
• 4150 Barrett Blvd, Suite 200Ephrata, PA 17522 (717) 738‑5648

Group practices

Medicare enrollment lists Diana Whitehead as a member of these groups (CMS data updated October 2, 2026).

• WellSpan Medical Group2,480 clinicians in the group
• Core Physicians LLC289 clinicians in the group
• Lifebridge Community Gastroenterology LLC54 clinicians in the group

Specialties

• Gastroenterologyprimary
• Internal Medicinealso

Find other Gastroenterology doctors in Maryland →

Other gastroenterologists in Pikesville

Clinicians with the same Medicare primary specialty in Pikesville, MD — not a recommendation.

• Michael S. Siuta, MD
• Elliot Schwarzenberger, MD
• Howard J. Schwartz, MD
• Loc T. Le, MD
• Steven H. Epstein, MD
• Arjun Vaid, MD
• Edward Wolf, MD
• April S. Tignor, MD

All gastroenterologists in Pikesville →

Other clinicians in WellSpan Medical Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Rachael A. Schultz, DO
• Felipe A. Mercado Olivares, MD
• Imanual Somers-Dehaney, MD
• Shiv Tilwa, MD
• Jamie L. Walters, PA
• John R. Deitch, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians