MR. JONATHAN OHM M.D.
NPI 1124447438
Internal Medicine - Gastroenterology in Allentown, PA

Q: What is Jonathan Ohm's NPI number?

The NPI number for Jonathan Ohm is 1124447438. It was assigned to this individual provider in the NPPES registry on April 15, 2014.

Q: What is Jonathan Ohm'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 Jonathan Ohm was last updated on September 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since April 15, 2014PECOS EnrolledAccepts Medicare Assignment

501 CETRONIA RD, ALLENTOWN, PA 18104(484) 526-6545 Get Directions Write a Review

NPPES record last updated: September 12, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 12, 2025, Jul 27, 2021, May 27, 2018 and 2 more (5 updates tracked since 2017).

On this page

About Mr. Jonathan Ohm M.d. NPPES

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

MR. JONATHAN OHM M.D. (NPI 1124447438) is an individual gastroenterology provider in Allentown, Pennsylvania, licensed in Pennsylvania (MD473308) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with St Luke's Hospital Bethlehem, and is a graduate of Rutgers New Jersey Medical School (2014).

NPPES Registry Identity

NPI1124447438

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameMR. JONATHAN OHMCredential: M.D.

Location Address501 CETRONIA RDAllentown, PA 18104-9569

Mailing Address501 Cetronia RdAllentown, PA 18104-9569 · (484) 526-6545

Phone(484) 526-6545

Sole ProprietorYes

Medical School CMSRutgers New Jersey Medical SchoolGraduated 2014

Enumeration DateApril 15, 2014

Last NPPES UpdateSeptember 12, 20255 updates tracked since enumeration

NPPES CertifiedSeptember 12, 2025

✔ NPI 1124447438 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 · MD473308

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 270012 (MA)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

501 CETRONIA RD, Allentown, PA 18104

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

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

Mr. Jonathan Ohm 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 ID7416176706

PECOS Enrollment IDI20210709002071

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 Jonathan Ohm reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St Luke's Physician Group Inc

Same address

Developmental - Behavioral Pediatrics

501 CETRONIA RD STE 115
Allentown, PA 18104

Reassigned Medicare billing, Pennsylvania enrollment
Medicare enrollment name: St Lukes Physician Group Inc
2,851 clinicians in this Medicare group

NPI 1417478413 (484) 426-2542

St. Luke's Warren Physician Group, PC

21 mi

Colon & Rectal Surgery

123 ROSEBERRY ST
Phillipsburg, NJ 08865

Reassigned Medicare billing, New Jersey enrollment
Medicare enrollment name: St Lukes Warren Physician Group PC
528 clinicians in this Medicare group

NPI 1043635733 (610) 866-2600

Gslpg, Inc

29 mi

Specialist

100 PARAMOUNT BLVD
Orwigsburg, PA 17961

Reassigned Medicare billing, Pennsylvania enrollment
953 clinicians in this Medicare group

NPI 1366006702 (272) 639-1000

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 11

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.

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.

72 services61 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.

59 services59 patients

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.

57 services55 patients

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.

54 services40 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.

47 services47 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

24 services24 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

24 services24 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.

23 services23 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.

22 services22 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 services15 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

St Luke's Hospital Bethlehem

Acute Care Hospitals · Bethlehem, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390049

Location801 Ostrum StreetBethlehem, PA 18015 · Northampton County

Emergency services Birthing friendly

St Luke's Miners Memorial Hospital

Acute Care Hospitals · Coaldale, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390183

Location360 W Ruddle StreetCoaldale, PA 18218 · Schuylkill County

Emergency services

Geisinger St. Luke's Hospital

Acute Care Hospitals · Orwigsburg, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390332

Location100 Paramount BoulevardOrwigsburg, PA 17961 · Schuylkill County

St Luke's Hospital - Carbon Campus

Acute Care Hospitals · Lehighton, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390335

Location500 St Luke's DriveLehighton, PA 18235 · Carbon County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 18104 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.

MARIA JO PIGER CRNP

Nurse Practitioner

501 CETRONIA RD
ALLENTOWN, PA 18104

Lehigh County (484) 526-2598

HEATHER LOGAN CRNP

Nurse Practitioner

501 CETRONIA RD
ALLENTOWN, PA 18104

Lehigh County (484) 426-2501

TALIA SHALIT KATZ

Family Medicine

501 CETRONIA RD
ALLENTOWN, PA 18104

Lehigh County (484) 426-2501

ALANNA ESPENSHADE PA-C

Physician Assistant

501 CETRONIA RD
ALLENTOWN, PA 18104

Lehigh County (484) 426-2501

DR. SETH MICAH BURKEY M.D.

Emergency Medicine (Sports Medicine)

501 CETRONIA RD, ORTHOPEDICS SUITE 125
ALLENTOWN, PA 18104

Lehigh County (484) 526-1735

MR. ANDREW FEHER PT

Physical Therapist

501 CETRONIA RD
ALLENTOWN, PA 18104

Lehigh County (484) 426-2544

LAURA BEALER CRNP

Nurse Practitioner

501 CETRONIA RD
ALLENTOWN, PA 18104

Lehigh County (484) 426-2501

SARAH STERN PA-C

Physician Assistant

501 CETRONIA RD
ALLENTOWN, PA 18104

Lehigh County (484) 426-2513

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 Jonathan Ohm's NPI number?

The NPI number for Jonathan Ohm is 1124447438. It was assigned to this individual provider in the NPPES registry on April 15, 2014.

Where is Jonathan Ohm located?

Jonathan Ohm practices at 501 Cetronia Rd, Allentown, PA 18104. The listed phone number is (484) 526-6545.

What is Jonathan Ohm's specialty?

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

Is Jonathan Ohm enrolled in Medicare?

Yes. Jonathan Ohm 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 Jonathan Ohm's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Ohm reassigns Medicare benefits to 3 organizations: St Luke's Physician Group Inc (Allentown, PA), St. Luke's Warren Physician Group, PC (Phillipsburg, NJ) and Gslpg, Inc (Orwigsburg, 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 Jonathan Ohm's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jonathan Ohm accept?

Health plans from Oscar Health list Jonathan Ohm 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 Jonathan Ohm affiliated with any hospitals?

According to CMS data, Jonathan Ohm is affiliated with St Luke's Hospital Bethlehem, St Luke's Miners Memorial Hospital, Geisinger St. Luke's Hospital and St Luke's Hospital - Carbon Campus.

When was this NPI record last updated?

The NPPES record for Jonathan Ohm was last updated on September 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.