1. Home
  2. Directory
  3. Pennsylvania
  4. Bethlehem
  5. Physician Assistant
  6. NPI Profile

IAN JOEL DIEHL PA-C
NPI 1821634585
Physician Assistant - Medical in Bethlehem, PA

Active since November 18, 2019PECOS EnrolledAccepts Medicare Assignment
1490 8TH AVE STE 220, BETHLEHEM, PA 18018(610) 402-9116 Get Directions Write a Review

NPPES record last updated: March 6, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Mar 6, 2026, Dec 30, 2022, Nov 18, 2019 (3 updates tracked since 2019).

About Ian Joel Diehl Pa-c NPPES

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

IAN JOEL DIEHL PA-C (NPI 1821634585) is an individual medical provider in Bethlehem, Pennsylvania, licensed in Pennsylvania (MA063965) and active in the NPI registry since November 2019. He is enrolled in Medicare PECOS, is affiliated with Lehigh Valley Hospital, and maintains a secondary practice location in Stroudsburg.

NPPES Registry Identity

NPI1821634585
Entity TypeIndividualMale
Primary Taxonomy363AM0700X
Provider Legal NameIAN JOEL DIEHLCredential: PA-C
Location Address1490 8TH AVE STE 220Bethlehem, PA 18018-2212
Mailing Address1581 N 9th StStroudsburg, PA 18360-7531 · (272) 212-0620
Phone(610) 402-9116
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateNovember 18, 2019
Last NPPES UpdateMarch 6, 20263 updates tracked since enumeration
NPPES CertifiedMarch 6, 2026
✔ NPI 1821634585 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License✔ Licensed in PA · MA063965
Also ListedPhysical TherapistTaxonomy 225100000X · License PT027578 (PA)
1490 8TH AVE STE 220, Bethlehem, PA 18018
Open in Google Maps ↗

Secondary Practice Location 1

Location 11581 N 9th StStroudsburg, PA 18360-7531 · Phone (272) 212-0620 · Fax (833) 485-0134

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

Ian Joel Diehl Pa-c 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 ID446629257
PECOS Enrollment IDI20221216000692
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 2

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.

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
82 services82 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.
54 services54 patients

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

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 Diehl's NPI number?

The NPI number for Ian Diehl is 1821634585. It was assigned to this individual provider in the NPPES registry on November 18, 2019.

Where is Ian Diehl located?

Ian Diehl practices at 1490 8th Ave Ste 220, Bethlehem, PA 18018. The listed phone number is (610) 402-9116.

What is Ian Diehl's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Is Ian Diehl enrolled in Medicare?

Yes. Ian Diehl 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.

Is Ian Diehl affiliated with any hospitals?

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

When was this NPI record last updated?

The NPPES record for Ian Diehl was last updated on March 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.