FRANCES U. ONYIMBA M.D.
NPI 1578839072
Internal Medicine - Gastroenterology in York, PA

Q: What is Frances Onyimba's NPI number?

The NPI number for Frances Onyimba is 1578839072. It was assigned to this individual provider in the NPPES registry on March 28, 2012.

Q: What is Frances Onyimba's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Frances Onyimba was last updated on May 23, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.

Active since March 28, 2012PECOS EnrolledAccepts Medicare Assignment

2350 FREEDOM WAY STE 200, YORK, PA 17402(717) 812-5120(717) 741-3075 Get Directions Write a Review

NPPES record last updated: May 23, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 23, 2022, Aug 9, 2019, Jul 13, 2016 (3 updates tracked since 2016).

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About Frances U. Onyimba M.d. NPPES

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

FRANCES U. ONYIMBA M.D. (NPI 1578839072) is an individual gastroenterology provider in York, Pennsylvania, licensed in Pennsylvania (MD477998) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS, is affiliated with Wellspan York Hospital, and is a graduate of Columbia University College Of Physicians And Surgeons (2012).

NPPES Registry Identity

NPI1578839072

Entity TypeIndividualFemale

Primary Taxonomy207RG0100X

Provider Legal NameFRANCES U. ONYIMBACredential: M.D.

Location Address2350 FREEDOM WAY STE 200York, PA 17402-8200

Mailing Address3421 Concord RdYork, PA 17402-9001 · (717) 812-5120 · Fax (717) 741-3075

Phone(717) 812-5120

Fax(717) 741-3075

Sole ProprietorYes

Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 2012

Enumeration DateMarch 28, 2012

Last NPPES UpdateMay 23, 20223 updates tracked since enumeration

NPPES CertifiedMay 23, 2022

✔ NPI 1578839072 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in PA · MD477998✔ Licensed in MD · D87385

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 ListedInternal MedicineTaxonomy 207R00000X · License D87385 (MD)

2350 FREEDOM WAY STE 200, York, PA 17402

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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

Frances U. Onyimba M.d. 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 ID8224288741

PECOS Enrollment IDI20220520001200

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

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

Wellspan Medical Group

Same address

Internal Medicine

2350 FREEDOM WAY, SUITE 150
York, PA 17402

Reassigned Medicare billing, Pennsylvania enrollment
3,080 clinicians in this Medicare group

NPI 1770940868 (717) 851-7315

University Of Maryland Physicians P.A.

43 mi

Infectious Disease

2117 N CHARLES ST
Baltimore, MD 21218

Reassigned Medicare billing, Maryland enrollment
Medicare enrollment name: University Of Maryland Physicians PA
614 clinicians in this Medicare group

NPI 1932906633 (443) 869-6867

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

Areas of Expertise CMS Part B claims 15

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.

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

64 services61 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

64 services52 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

53 services52 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

45 services37 patients

Insertion of guide wire with dilation of esophagus using a flexible endoscope 43248

This is a procedure where a thin tube, called an endoscope, is gently passed through your mouth into your esophagus. A guide wire is then inserted to help widen any narrow areas. This helps improve swallowing and reduce discomfort.

43 services38 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

30 services30 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.

29 services29 patients

Study of esophagus to assess movement 91010

This procedure, known as esophageal manometry, involves studying the esophagus or food pipe to evaluate its movement and pressure. It helps understand how well the esophagus can move food to the stomach. Involving a thin, flexible tube, it's a safe, minimally invasive test.

25 services25 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

19 services19 patients

Monitoring and recording of esophageal function through nasal tube 91034

This procedure involves the insertion of a thin tube through the nose and into the esophagus. It helps monitor and record esophageal function, including how well food and liquids move through it. It's a safe and effective way to detect potential issues.

17 services17 patients

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249

This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.

15 services14 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

14 services14 patients

Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare 43251

This procedure involves the use of a thin, flexible instrument called an endoscope to visualize and remove abnormal growths, known as polyps, from the esophagus, stomach, or upper small bowel. A tool called a mechanical snare is used to safely cut and remove these growths.

13 services12 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

12 services12 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Wellspan York Hospital

Acute Care Hospitals · York, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390046

Location1001 South George StreetYork, PA 17403 · York County

Emergency services Birthing friendly

Gettysburg Hospital

Acute Care Hospitals · Gettysburg, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390065

Location147 Gettys StreetGettysburg, PA 17325 · Adams County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 17402 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 20

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

ZAID ALNOAH M.D.

Internal Medicine (Gastroenterology)