Carl Manzo, MD
NPI 1841618204 · Gastroenterology Physician · Warren, OH
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carl Manzo, MD is a Gastroenterology Physician provider in Warren, OH (NPI 1841618204).
Provider details
- NPI number
- 1841618204
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD471691 (PA)
Specialties & taxonomies
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
12 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
573 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) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 118 | $124 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 74 | $54 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 71 | $85 |
| Review By Radiologist of Image From Tube Placement Into Bile Duct Using an Endoscope74328 | 40 | $22 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 36 | $121 |
| 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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 111 | 43 |
| Omeprazole | 84 | 22 |
| Nortriptyline Hcl | 61 | 14 |
| Dicyclomine Hcl | 54 | 30 |
| Mesalamine | 48 | — |
| Colesevelam Hcl | 45 | 12 |
| Furosemide | 25 | — |
| Carvedilol | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$393 across 17 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 (1)
- 500 University DrHershey, PA 17033-2360Phone: (800) 243-1455Fax: (717) 531-4870
Registry dates
- Enumerated
- 2014-04-02
- Last updated
- 2021-07-20
- Certified
- 2021-07-20
Frequently asked questions
- What is Carl Manzo's NPI number?
- Carl Manzo's National Provider Identifier (NPI) is 1841618204, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carl Manzo's specialty?
- Carl Manzo is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Carl Manzo located?
- Carl Manzo's practice location on file with NPPES is 1932 Niles Cortland Rd Ne, Warren, OH 44484-1055.
- What is Carl Manzo's phone number?
- The practice phone number listed in the NPPES registry for Carl Manzo is (330) 306-5258.
- Does Carl Manzo accept Medicare?
- Carl Manzo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carl Manzo's NPI active?
- Yes — Carl Manzo's NPI (1841618204) is active in the NPPES registry as of the last update on 2021-07-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.