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DR. CHRISTINA NICOLE DIMARIA DO, RD
NPI 1336565381
Internal Medicine - Gastroenterology in Monroeville, PA

Active since March 14, 2014PECOS EnrolledAccepts Medicare Assignment
3824 NORTHERN PIKE STE 830, MONROEVILLE, PA 15146(412) 359-8900(412) 359-8977 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 23, 2026, Dec 17, 2024, Jun 15, 2018 (3 updates tracked since 2018).

About Dr. Christina Nicole Dimaria Do, Rd NPPES

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

DR. CHRISTINA NICOLE DIMARIA DO, RD (NPI 1336565381) is an individual gastroenterology provider in Monroeville, Pennsylvania, licensed in Pennsylvania (OS023707) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS, is affiliated with Allegheny General Hospital, and maintains a secondary practice location in Rostraver Township.

NPPES Registry Identity

NPI1336565381
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. CHRISTINA NICOLE DIMARIACredential: DO, RD
Location Address3824 NORTHERN PIKE STE 830Monroeville, PA 15146-2172
Mailing Address3824 Northern Pike Ste 830Monroeville, PA 15146-2172 · (412) 359-8900 · Fax (412) 359-8977
Phone(412) 359-8900
Fax(412) 359-8977
Sole ProprietorNo
Medical School CMSCooper Medical School Of Rowan UniversityGraduated 2018
Enumeration DateMarch 14, 2014
Last NPPES UpdateJuly 23, 20263 updates tracked since enumeration
NPPES CertifiedJuly 23, 2026
✔ NPI 1336565381 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in PA · OS023707
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedDietitian, RegisteredTaxonomy 133V00000X · License 007875 (NY)
Also ListedInternal MedicineTaxonomy 207R00000X · License OS023707 (PA)
3824 NORTHERN PIKE STE 830, Monroeville, PA 15146
Open in Google Maps ↗

Secondary Practice Location 1

Location 1800 Plaza Dr Ste 140Rostraver Township, PA 15012-4019 · Phone (724) 258-1010

Other Identifiers 1

Other16227899Caqh

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Christina Nicole Dimaria Do, Rd 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 ID840727566
PECOS Enrollment IDI20241219001245
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Christina Dimaria reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Allegheny Clinic
1.2 mi
Internal Medicine
4217 NORTHERN PIKE
Monroeville, PA 15146
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 2,881 clinicians in this Medicare group
NPI 1134555121 (412) 372-9100
Monongahela Valley Hospital, Inc
17 mi
Gastroenterology
800 PLAZA DR STE 140
Rostraver Twp, PA 15012
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 4 clinicians in this Medicare group
NPI 1477490225 (724) 258-1010

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 5

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

Allegheny General Hospital

Acute Care Hospitals · Pittsburgh, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390050
Location320 East North AvenuePittsburgh, PA 15212 · Allegheny County
Emergency services

West Penn Hospital

Acute Care Hospitals · Pittsburgh, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390090
Location4800 Friendship AvenuePittsburgh, PA 15224 · Allegheny County
Emergency services Birthing friendly

Excela Health Westmoreland Regional Hospital

Acute Care Hospitals · Greensburg, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number390145
Location532 West Pittsburgh StreetGreensburg, PA 15601 · Westmoreland County
Emergency services Birthing friendly

Penn Highlands Mon Valley

Acute Care Hospitals · Monongahela, PA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390147
Location1163 Country Club RoadMonongahela, PA 15063 · Washington County
Emergency services

Forbes Hospital

Acute Care Hospitals · Monroeville, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390267
Location2570 Haymaker RoadMonroeville, PA 15146 · Allegheny County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 15146 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
$126.34 typical visit price
range $54.64 – $166.87
Typical copayment $31.58 (range $13.66 – $41.71)
Most-billed visit code 99204
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
Most-billed visit code 99214
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 5

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

HANNAH LYNN RIMEL PA-C
Physician Assistant
3824 NORTHERN PIKE STE 830
MONROEVILLE, PA 15146
Allegheny County (412) 359-8900
MARGARET ANN SARVEY PA-C
Physician Assistant (Medical)
3824 NORTHERN PIKE STE 830
MONROEVILLE, PA 15146
Allegheny County (412) 359-8900
KASSIE L THOMPSON CRNP
Nurse Practitioner (Family)
3824 NORTHERN PIKE STE 830
MONROEVILLE, PA 15146
Allegheny County (412) 359-8900
LAKEN JOEL KUNTZ NP-C
Nurse Practitioner (Gerontology)
3824 NORTHERN PIKE STE 830
MONROEVILLE, PA 15146
Allegheny County (412) 457-0427
ELENA CHARLOTTE DYSERT PA-C
Physician Assistant
3824 NORTHERN PIKE STE 830
MONROEVILLE, PA 15146
Allegheny County (412) 359-8900

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 Christina Dimaria's NPI number?

The NPI number for Christina Dimaria is 1336565381. It was assigned to this individual provider in the NPPES registry on March 14, 2014.

Where is Christina Dimaria located?

Christina Dimaria practices at 3824 Northern Pike Ste 830, Monroeville, PA 15146. The listed phone number is (412) 359-8900.

What is Christina Dimaria's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Christina Dimaria enrolled in Medicare?

Yes. Christina Dimaria 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.

Which organizations bill Medicare for Christina Dimaria's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christina Dimaria reassigns Medicare benefits to 2 organizations: Allegheny Clinic (Monroeville, PA) and Monongahela Valley Hospital, Inc (Rostraver Twp, PA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Christina Dimaria's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Christina Dimaria affiliated with any hospitals?

According to CMS data, Christina Dimaria is affiliated with Allegheny General Hospital, West Penn Hospital, Excela Health Westmoreland Regional Hospital, Penn Highlands Mon Valley and Forbes Hospital.

When was this NPI record last updated?

The NPPES record for Christina Dimaria was last updated on July 23, 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.