Mark Dillon, MD
NPI 1013908920 · Gastroenterology Physician · Palm Bay, FL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Dillon, MD is a Gastroenterology Physician provider in Palm Bay, FL (NPI 1013908920).
Provider details
- NPI number
- 1013908920
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- ME63710 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
859 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 175 | $88 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 95 | $55 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 78 | $75 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 67 | $141 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 59 | $123 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
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 | 186 | 183 |
| Pantoprazole Sodium | 176 | 70 |
| Famotidine | 128 | 60 |
| Omeprazole | 109 | 49 |
| Lipase/Protease/Amylasebrand: Creon | 38 | — |
| Mesalamine | 38 | — |
| Lactulose | 37 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-31
- Last updated
- 2023-12-05
- Certified
- 2023-12-05
Frequently asked questions
- What is Mark Dillon's NPI number?
- Mark Dillon's National Provider Identifier (NPI) is 1013908920, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Dillon's specialty?
- Mark Dillon is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Dillon located?
- Mark Dillon's practice location on file with NPPES is 1421 Malabar Rd Ne Ste 201, Palm Bay, FL 32907-2559.
- What is Mark Dillon's phone number?
- The practice phone number listed in the NPPES registry for Mark Dillon is (321) 434-8423.
- Does Mark Dillon accept Medicare?
- Mark Dillon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Dillon's NPI active?
- Yes — Mark Dillon's NPI (1013908920) is active in the NPPES registry as of the last update on 2023-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.