Corey Siegel, M.D.
NPI 1699798322 · Gastroenterology Physician · Lebanon, NH
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Corey Siegel, M.D. is a Gastroenterology Physician provider in Lebanon, NH (NPI 1699798322).
Provider details
- NPI number
- 1699798322
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 11395 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
277 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 38 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 32 | $112 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 31 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 28 | $87 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 24 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ustekinumabbrand: Stelara | 122 | 15 |
| Ondansetronbrand: Ondansetron Odt | 34 | — |
| Diphenoxylate Hcl/Atropinebrand: Diphenoxylate-Atropine | 26 | — |
| Mesalamine | 25 | 11 |
| Esomeprazole Magnesium | 22 | — |
| Omeprazole | 21 | — |
| Loperamide Hclbrand: Loperamide | 20 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$92,099 across 44 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
Registry dates
- Enumerated
- 2006-07-25
- Last updated
- 2011-09-09
Frequently asked questions
- What is Corey Siegel's NPI number?
- Corey Siegel's National Provider Identifier (NPI) is 1699798322, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Corey Siegel's specialty?
- Corey Siegel is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Corey Siegel located?
- Corey Siegel's practice location on file with NPPES is 1 Medical Center Dr, Lebanon, NH 03756-1000.
- What is Corey Siegel's phone number?
- The practice phone number listed in the NPPES registry for Corey Siegel is (603) 650-8101.
- Does Corey Siegel accept Medicare?
- Corey Siegel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Corey Siegel's NPI active?
- Yes — Corey Siegel's NPI (1699798322) is active in the NPPES registry as of the last update on 2011-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.