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NICHOLAS C GEMMA DO
NPI 1033748579
Surgery in Warren, OH

Active since April 06, 2020PECOS EnrolledAccepts Medicare Assignment
8740 E MARKET ST STE 2, WARREN, OH 44484(330) 918-1501(234) 287-6380 Get Directions Write a Review

NPPES record last updated: May 28, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 28, 2026, May 7, 2026, Jul 10, 2025 and 1 more (4 updates tracked since 2020).

About Nicholas C Gemma Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NICHOLAS C GEMMA DO (NPI 1033748579) is an individual surgery provider in Warren, Ohio, licensed in Ohio (34.018016) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Mh St Joseph Warren Hospital, and is a graduate of Ohio University, College Of Osteopathic Medicine (2020).

NPPES Registry Identity

NPI1033748579
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameNICHOLAS C GEMMACredential: DO
Location Address8740 E MARKET ST STE 2Warren, OH 44484-2324
Mailing Address100 Debartolo Pl Ste 200Youngstown, OH 44512-6095 · (330) 918-1501 · Fax (234) 287-6380
Phone(330) 918-1501
Fax(234) 287-6380
Sole ProprietorNo
Medical School CMSOhio University, College Of Osteopathic MedicineGraduated 2020
Enumeration DateApril 6, 2020
Last NPPES UpdateMay 28, 20264 updates tracked since enumeration
NPPES CertifiedMay 28, 2026
✔ NPI 1033748579 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in OH · 34.018016
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
8740 E MARKET ST STE 2, Warren, OH 44484
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Other Identifiers 1

Medicaid0484025OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource, MedMutual and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nicholas C Gemma Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID345756466
PECOS Enrollment IDI20250723004398
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mh St Joseph Warren Hospital

Acute Care Hospitals · Warren, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360161
Location667 Eastland Ave SEWarren, OH 44484 · Trumbull County
Emergency services Birthing friendly

Surgical Hospital At Southwoods

Acute Care Hospitals · Youngstown, OH
5/5 CMS rating
OwnershipProprietary
CMS Certification Number360352
Location7630 Southern BlvdYoungstown, OH 44512 · Mahoning County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44484 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.72 typical visit price
range $54.34 – $166.65
Typical copayment $21.18 (range $13.58 – $41.66)
Most-billed visit code 99203
Established Patient
$68.07 typical visit price
range $17.10 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AXEL G RODRIGUEZ ROSA MD
Pain Medicine (Pain Medicine)
8740 E MARKET ST STE 2
WARREN, OH 44484
Trumbull County (330) 965-5090
CIEARA MARLENE HAYES UNDERWOOD LMT
Massage Therapist
8740 E MARKET ST STE 2
WARREN, OH 44484
Trumbull County (330) 716-3532
DR. JOSEPH ALVIN MARTIN M.D.
Surgery
8740 E MARKET ST STE 2
WARREN, OH 44484
Trumbull County (234) 335-0200
AMY S CALDERON DO, PHARMD
Internal Medicine (Gastroenterology)
8740 E MARKET ST STE 2
WARREN, OH 44484
Trumbull County (234) 287-6590

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nicholas Gemma's NPI number?

The NPI number for Nicholas Gemma is 1033748579. It was assigned to this individual provider in the NPPES registry on April 6, 2020.

Where is Nicholas Gemma located?

Nicholas Gemma practices at 8740 E Market St Ste 2, Warren, OH 44484. The listed phone number is (330) 918-1501.

What is Nicholas Gemma's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Nicholas Gemma enrolled in Medicare?

Yes. Nicholas Gemma is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Nicholas Gemma accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource, MedMutual and UnitedHealthcare list Nicholas Gemma as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Nicholas Gemma affiliated with any hospitals?

According to CMS data, Nicholas Gemma is affiliated with Mh St Joseph Warren Hospital and Surgical Hospital At Southwoods.

When was this NPI record last updated?

The NPPES record for Nicholas Gemma was last updated on May 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.