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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

OSCAR JEFFERSON GRYN DO
NPI 1619554292
Otolaryngology in Limerick, PA

Active since March 28, 2021PECOS Enrolled
542 N LEWIS RD STE 101, LIMERICK, PA 19468(610) 323-1550 Get Directions Write a Review

NPPES record last updated: September 21, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 21, 2026, Jan 2, 2026, Mar 28, 2021 (3 updates tracked since 2021).

About Oscar Jefferson Gryn Do NPPES

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

OSCAR JEFFERSON GRYN DO (NPI 1619554292) is an individual otolaryngology provider in Limerick, Pennsylvania, licensed in Pennsylvania (OS023651) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and is a graduate of Des Moines University Of Osteopathic Medicine And Health Sciences (2021).

NPPES Registry Identity

NPI1619554292
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameOSCAR JEFFERSON GRYNCredential: DO
Location Address542 N LEWIS RD STE 101Limerick, PA 19468-3521
Mailing AddressPo Box 822336Philadelphia, PA 19182-2336 · (610) 323-1550
Phone(610) 323-1550
Sole ProprietorYes
Medical School CMSDes Moines University Of Osteopathic Medicine And Health SciencesGraduated 2021
Enumeration DateMarch 28, 2021
Last NPPES UpdateSeptember 21, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 21, 2026
✔ NPI 1619554292 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License✔ Licensed in PA · OS023651
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
542 N LEWIS RD STE 101, Limerick, PA 19468
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Oscar Jefferson Gryn Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7416350012
PECOS Enrollment IDI20260202002570
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19468 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
$137.17 typical visit price
range $59.88 – $180.99
Typical copayment $34.29 (range $14.97 – $45.24)
Most-billed visit code 99204
Established Patient
$74.47 typical visit price
range $19.30 – $147.29
Typical copayment $18.61 (range $4.82 – $36.82)
Most-billed visit code 99213
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 2

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

DR. JACK DIENES AUD
Audiologist
542 N LEWIS RD STE 101
LIMERICK, PA 19468
Montgomery County (610) 323-1550
LARRY A FEINER MD
Otolaryngology (Otolaryngology/Facial Plastic Surgery)
542 N LEWIS RD STE 101
LIMERICK, PA 19468
Montgomery County (610) 323-1550

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 Oscar Gryn's NPI number?

The NPI number for Oscar Gryn is 1619554292. It was assigned to this individual provider in the NPPES registry on March 28, 2021.

Where is Oscar Gryn located?

Oscar Gryn practices at 542 N Lewis Rd Ste 101, Limerick, PA 19468. The listed phone number is (610) 323-1550.

What is Oscar Gryn's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Oscar Gryn enrolled in Medicare?

Yes. Oscar Gryn is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Oscar Gryn was last updated on September 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.