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AJA NIKOLE HAPPEL MD
NPI 1912586363
Internal Medicine in Steubenville, OH

Active since April 05, 2021PECOS EnrolledAccepts Medicare Assignment
4000 JOHNSON RD, STEUBENVILLE, OH 43952(740) 264-8039(740) 264-8049 Get Directions Write a Review

NPPES record last updated: February 2, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 2, 2026, Jan 29, 2026, May 13, 2025 and 2 more (5 updates tracked since 2021).

About Aja Nikole Happel Md NPPES

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

AJA NIKOLE HAPPEL MD (NPI 1912586363) is an individual internal medicine provider in Steubenville, Ohio, licensed in Ohio (35.150461) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with Trinity Medical Ctr East &trinity Medical Ctr West, and maintains a secondary practice location in Rayland.

NPPES Registry Identity

NPI1912586363
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameAJA NIKOLE HAPPELCredential: MD
Location Address4000 JOHNSON RDSteubenville, OH 43952-2364
Mailing Address380 Summit AveSteubenville, OH 43952-2667 · (740) 283-7597 · Fax (740) 283-7807
Phone(740) 264-8039
Fax(740) 264-8049
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateApril 5, 2021
Last NPPES UpdateFebruary 2, 20265 updates tracked since enumeration
NPPES CertifiedFebruary 2, 2026
✔ NPI 1912586363 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OH · 35.150461
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License 35.150461 (OH)
4000 JOHNSON RD, Steubenville, OH 43952
Open in Google Maps ↗

Secondary Practice Location 1

Location 110686 State Route 150Rayland, OH 43943-7847 · Phone (740) 859-5650 · Fax (740) 859-5685

Other Identifiers 1

Medicaid0049771OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health 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

Aja Nikole Happel Md 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 ID3476093857
PECOS Enrollment IDI20240912000368
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.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
105 services44 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
34 services34 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
27 services16 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
16 services16 patients

Hospital Affiliations CMS Care Compare

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

Trinity Medical Ctr East &trinity Medical Ctr West

Acute Care Hospitals · Steubenville, OH
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number360211
Location380 Summit AvenueSteubenville, OH 43952 · Jefferson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43952 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
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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 20

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

DR. JACK SCHNUR MD
Internal Medicine
4000 JOHNSON RD
STEUBENVILLE, OH 43952
Jefferson County (740) 264-8039
ANTHONY W. GIANNI PT
Physical Therapist
4000 JOHNSON RD
STEUBENVILLE, OH 43952
Jefferson County (740) 264-8687
DR. GRETCHEN ANN JESICK MD
Anesthesiology
4000 JOHNSON RD, ANESTHESIA DEPT
STEUBENVILLE, OH 43952
Jefferson County (740) 264-9610
SANGMO JE MD
Specialist/Technologist (Athletic Trainer)
4000 JOHNSON RD
STEUBENVILLE, OH 43952
Jefferson County (740) 264-8000
NATHAN EDWARD MONK MD
Student in an Organized Health Care Education/Training Program
4000 JOHNSON RD
STEUBENVILLE, OH 43952
Jefferson County (740) 264-8000
UNIVERSITY OF PITTSBURGH PHYSICIANS
Internal Medicine
4000 JOHNSON RD
STEUBENVILLE, OH 43952
Jefferson County (740) 264-8000
UPMC TRINITY
Rehabilitation Unit
4000 JOHNSON RD
STEUBENVILLE, OH 43952
Jefferson County (740) 264-8110
UPMC TRINITY
General Acute Care Hospital
4000 JOHNSON RD
STEUBENVILLE, OH 43952
Jefferson County (740) 264-8110

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 Aja Happel's NPI number?

The NPI number for Aja Happel is 1912586363. It was assigned to this individual provider in the NPPES registry on April 5, 2021.

Where is Aja Happel located?

Aja Happel practices at 4000 Johnson Rd, Steubenville, OH 43952. The listed phone number is (740) 264-8039.

What is Aja Happel's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Aja Happel enrolled in Medicare?

Yes. Aja Happel 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 Aja Happel accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and CareSource list Aja Happel 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 Aja Happel affiliated with any hospitals?

According to CMS data, Aja Happel is affiliated with Trinity Medical Ctr East &trinity Medical Ctr West.

When was this NPI record last updated?

The NPPES record for Aja Happel was last updated on February 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.