Diana Whitehead, MD
NPI 1356661169 · Gastroenterology Physician · Pikesville, MD
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Whitehead, MD is a Gastroenterology Physician provider in Pikesville, MD (NPI 1356661169).
Provider details
- NPI number
- 1356661169
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD492456C (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
657 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 96 | $133 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 94 | $170 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 73 | $156 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 70 | $134 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 64 | $106 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 92 | 88 |
| Pantoprazole Sodium | 69 | 32 |
| Omeprazole | 60 | 26 |
| Famotidine | 43 | 17 |
| Mesalamine | 25 | — |
| Dicyclomine Hcl | 22 | — |
| Adalimumabbrand: Humira(cf) Pen | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$78,263 across 147 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 1 Medical Center DrDhmc Department of GastroenterologyLebanon, NH 03756-1000Phone: (603) 650-5218Fax: (603) 650-5225
- 4150 Barrett Blvd Ste 200Ephrata, PA 17522-8979Phone: (717) 738-5648
Registry dates
- Enumerated
- 2010-06-03
- Last updated
- 2025-11-07
- Certified
- 2025-11-07
Frequently asked questions
- What is Diana Whitehead's NPI number?
- Diana Whitehead's National Provider Identifier (NPI) is 1356661169, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Whitehead's specialty?
- Diana Whitehead is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Diana Whitehead located?
- Diana Whitehead's practice location on file with NPPES is 1838 Greene Tree Rd, Pikesville, MD 21208-6391.
- What is Diana Whitehead's phone number?
- The practice phone number listed in the NPPES registry for Diana Whitehead is (410) 876-8332.
- Does Diana Whitehead accept Medicare?
- Diana Whitehead is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Whitehead's NPI active?
- Yes — Diana Whitehead's NPI (1356661169) is active in the NPPES registry as of the last update on 2025-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.