Frank Martini, MD
NPI 1588642136 · Gastroenterology Physician · Grayslake, IL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frank Martini, MD is a Gastroenterology Physician provider in Grayslake, IL (NPI 1588642136).
Provider details
- NPI number
- 1588642136
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036067068 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
646 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 | 158 | $136 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 135 | $268 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 68 | $177 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 41 | $74 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 35 | $196 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 425 | 128 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 296 | 289 |
| Pantoprazole Sodium | 144 | 42 |
| Esomeprazole Magnesium | 86 | 20 |
| Mesalamine | 63 | 19 |
| Linaclotidebrand: Linzess | 61 | 11 |
| Lansoprazole | 42 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 across 1 record (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 (1)
- 800 N Westmoreland RdSuite 102Lake Forest, IL 60045-1673Phone: (847) 295-1300Fax: (847) 295-1574
Registry dates
- Enumerated
- 2006-01-04
- Last updated
- 2020-07-09
- Certified
- 2020-07-09
Frequently asked questions
- What is Frank Martini's NPI number?
- Frank Martini's National Provider Identifier (NPI) is 1588642136, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frank Martini's specialty?
- Frank Martini is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Frank Martini located?
- Frank Martini's practice location on file with NPPES is 1475 E Belvidere Rd Ste 301, Grayslake, IL 60030-2016.
- What is Frank Martini's phone number?
- The practice phone number listed in the NPPES registry for Frank Martini is (847) 535-6083.
- Does Frank Martini accept Medicare?
- Frank Martini is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frank Martini's NPI active?
- Yes — Frank Martini's NPI (1588642136) is active in the NPPES registry as of the last update on 2020-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.