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IAN CHARLES CHAPMAN AGACNP
NPI 1083128417
Nurse Practitioner - Acute Care in Allentown, PA

Active since November 21, 2017PECOS EnrolledAccepts Medicare Assignment
1250 S CEDAR CREST BLVD STE 310, ALLENTOWN, PA 18103(610) 402-6890(610) 402-6892 Get Directions Write a Review

NPPES record last updated: March 3, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 3, 2025, Apr 29, 2019, Nov 24, 2017 (3 updates tracked since 2017).

About Ian Charles Chapman Agacnp NPPES

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

IAN CHARLES CHAPMAN AGACNP (NPI 1083128417) is an individual acute care provider in Allentown, Pennsylvania, licensed in New Jersey (26NJ01104500) and active in the NPI registry since November 2017. He is enrolled in Medicare PECOS, is affiliated with Lehigh Valley Hospital, and maintains a secondary practice location in Wilkes Barre.

NPPES Registry Identity

NPI1083128417
Entity TypeIndividualMale
Primary Taxonomy363LA2100X
Provider Legal NameIAN CHARLES CHAPMANCredential: AGACNP
Location Address1250 S CEDAR CREST BLVD STE 310Allentown, PA 18103
Mailing AddressPo Box 783311Philadelphia, PA 19178-3311 · (484) 884-4500 · Fax (484) 884-0699
Phone(610) 402-6890
Fax(610) 402-6892
Sole ProprietorYes
Medical School CMSOtherGraduated 2017
Enumeration DateNovember 21, 2017
Last NPPES UpdateMarch 3, 20253 updates tracked since enumeration
NPPES CertifiedMarch 3, 2025
✔ NPI 1083128417 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
Licenses✔ Licensed in NJ · 26NJ01104500✔ Licensed in PA · SP018078
1250 S CEDAR CREST BLVD STE 310, Allentown, PA 18103
Open in Google Maps ↗

Secondary Practice Location 1

Location 11000 E Mountain BlvdWilkes Barre, PA 18711-0027 · Phone (570) 808-7300 ext. 2321

Accepted Insurance

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

Ian Charles Chapman Agacnp 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 ID8426317918
PECOS Enrollment IDI20180108002132
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

4

Medicare enrollment records show Ian Chapman reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lehigh Valley Physician Group
Same address
Psychiatry
1250 S CEDAR CREST BLVD, SUITE 410
Allentown, PA 18103
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 2,895 clinicians in this Medicare group
NPI 1003072752 (610) 402-3500
Geisinger Clinic
36 mi
Family Medicine
529 TERRY REILEY WAY
Pottsville, PA 17901
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 4,429 clinicians in this Medicare group
NPI 1043261183 (570) 624-4444
Main Line Healthcare
40 mi
Family Medicine
3803 WEST CHESTER PIKE, H BLDG SUITE 160
Newtown Square, PA 19073
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,638 clinicians in this Medicare group
NPI 1922077643 (484) 337-1585
Rutgers Health-Rwj Neurosurgery Faculty
49 mi
Surgery
110 REHILL AVE
Somerville, NJ 08876
  • Reassigned Medicare billing, New Jersey enrollment
  • 259 clinicians in this Medicare group
NPI 1548356926 (908) 685-2856

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

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

Lehigh Valley Hospital

Acute Care Hospitals · Allentown, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390133
Location1200 South Cedar Crest BoulevardAllentown, PA 18103 · Lehigh County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 18103 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
$84.88 typical visit price
range $54.64 – $166.87
Typical copayment $21.22 (range $13.66 – $41.71)
Most-billed visit code 99203
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 18

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

DUYEN U NGUYEN CRNP
Nurse Practitioner (Critical Care Medicine)
1250 S CEDAR CREST BLVD STE 310
ALLENTOWN, PA 18103
Lehigh County (610) 402-6890
LASZLO FUZESI MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
1250 S CEDAR CREST BLVD STE 310
ALLENTOWN, PA 18103
Lehigh County (610) 402-6890
MARY KAMAU
Nurse Practitioner (Gerontology)
1250 S CEDAR CREST BLVD STE 310
ALLENTOWN, PA 18103
Lehigh County (610) 402-6890
ALEXIS K ROTHERMEL CRNP
Nurse Practitioner (Critical Care Medicine)
1250 S CEDAR CREST BLVD STE 310
ALLENTOWN, PA 18103
Lehigh County (610) 402-6890
MR. SCOTT ALAN LANGE PA
Physician Assistant (Surgical)
1250 S CEDAR CREST BLVD STE 310
ALLENTOWN, PA 18103
Lehigh County (610) 402-6890
JUSTINE DE PENA CRNP
Nurse Practitioner (Family)
1250 S CEDAR CREST BLVD STE 310
ALLENTOWN, PA 18103
Lehigh County (610) 402-8000
KATLIN A OSWALD
Physician Assistant (Medical)
1250 S CEDAR CREST BLVD STE 310
ALLENTOWN, PA 18103
Lehigh County (610) 402-6890
COLLEEN PAPENHAUSEN CRNP
Nurse Practitioner (Family)
1250 S CEDAR CREST BLVD STE 310
ALLENTOWN, PA 18103
Lehigh County (610) 402-6890

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 Ian Chapman's NPI number?

The NPI number for Ian Chapman is 1083128417. It was assigned to this individual provider in the NPPES registry on November 21, 2017.

Where is Ian Chapman located?

Ian Chapman practices at 1250 S Cedar Crest Blvd Ste 310, Allentown, PA 18103. The listed phone number is (610) 402-6890.

What is Ian Chapman's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Ian Chapman enrolled in Medicare?

Yes. Ian Chapman 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 Ian Chapman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ian Chapman reassigns Medicare benefits to 4 organizations: Lehigh Valley Physician Group (Allentown, PA), Geisinger Clinic (Pottsville, PA), Main Line Healthcare (Newtown Square, PA) and Rutgers Health-Rwj Neurosurgery Faculty (Somerville, NJ). 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 Ian Chapman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ian Chapman accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Ian Chapman 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 Ian Chapman affiliated with any hospitals?

According to CMS data, Ian Chapman is affiliated with Lehigh Valley Hospital.

When was this NPI record last updated?

The NPPES record for Ian Chapman was last updated on March 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.