Jack Collazzo, M.D.
NPI 1891725891 · Gastroenterology Physician · Bryn Mawr, PA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jack Collazzo, M.D. is a Gastroenterology Physician provider in Bryn Mawr, PA (NPI 1891725891).
Provider details
- NPI number
- 1891725891
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD052149-L (PA)
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
1,201 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 | 357 | $131 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 137 | $91 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 107 | $143 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 99 | $255 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 91 | $181 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 473 | 128 |
| Omeprazole | 211 | 61 |
| Dicyclomine Hcl | 138 | 46 |
| Famotidine | 117 | 33 |
| Esomeprazole Magnesium | 104 | 31 |
| Mesalamine | 59 | 11 |
| Colesevelam Hcl | 58 | 20 |
| Glycopyrrolate | 51 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$206 across 10 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
- 2006-07-04
- Last updated
- 2017-04-05
Frequently asked questions
- What is Jack Collazzo's NPI number?
- Jack Collazzo's National Provider Identifier (NPI) is 1891725891, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Collazzo's specialty?
- Jack Collazzo is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Jack Collazzo located?
- Jack Collazzo's practice location on file with NPPES is 825 Old Lancaster Rd, Bryn Mawr, PA 19010-3231.
- What is Jack Collazzo's phone number?
- The practice phone number listed in the NPPES registry for Jack Collazzo is (610) 527-3800.
- Does Jack Collazzo accept Medicare?
- Jack Collazzo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jack Collazzo's NPI active?
- Yes — Jack Collazzo's NPI (1891725891) is active in the NPPES registry as of the last update on 2017-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.