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DIANNA UNAY
NPI 1659085603
Physician Assistant in Chester, PA

Active since January 12, 2023PECOS EnrolledAccepts Medicare Assignment
1 MEDICAL CENTER BLVD STE 231, CHESTER, PA 19013(844) 464-6387(215) 239-3037 Get Directions Write a Review

NPPES record last updated: January 12, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dianna Unay NPPES

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

DIANNA UNAY (NPI 1659085603) is an individual physician assistant in Chester, Pennsylvania, licensed in Pennsylvania (MA064285) and active in the NPI registry since January 2023. She is enrolled in Medicare PECOS, is affiliated with Peconic Bay Medical Center, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1659085603
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameDIANNA UNAY
Location Address1 MEDICAL CENTER BLVD STE 231Chester, PA 19013-3902
Mailing Address616 Walnut Ln Apt 112Philadelphia, PA 19128-1718
Phone(844) 464-6387
Fax(215) 239-3037
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateJanuary 12, 2023
NPPES CertifiedJanuary 12, 2023
✔ NPI 1659085603 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in PA · MA064285
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
1 MEDICAL CENTER BLVD STE 231, Chester, PA 19013
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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 and accepts Medicare assignment

Dianna Unay 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 ID5496248593
PECOS Enrollment IDI20251206000057
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.

Hospital Affiliations CMS Care Compare

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

Peconic Bay Medical Center

Acute Care Hospitals · Riverhead, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number330107
Location1 Heros WayRiverhead, NY 11901 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19013 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
$92.69 typical visit price
range $59.88 – $180.99
Typical copayment $23.17 (range $14.97 – $45.24)
Most-billed visit code 99203
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 3

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

HILARY PATRICE HARRIS FNP-BC
Nurse Practitioner
1 MEDICAL CENTER BLVD STE 231
CHESTER, PA 19013
Delaware County (844) 464-6387
DR. RUDY RAHME M.D.
Neurological Surgery
1 MEDICAL CENTER BLVD STE 231
CHESTER, PA 19013
Delaware County (844) 464-6387
HANNA RAMSBURG
Nurse Practitioner (Gerontology)
1 MEDICAL CENTER BLVD STE 231
CHESTER, PA 19013
Delaware County (844) 464-6387

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 Dianna Unay's NPI number?

The NPI number for Dianna Unay is 1659085603. It was assigned to this individual provider in the NPPES registry on January 12, 2023.

Where is Dianna Unay located?

Dianna Unay practices at 1 Medical Center Blvd Ste 231, Chester, PA 19013. The listed phone number is (844) 464-6387.

What is Dianna Unay's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Dianna Unay enrolled in Medicare?

Yes. Dianna Unay 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 Dianna Unay affiliated with any hospitals?

According to CMS data, Dianna Unay is affiliated with Peconic Bay Medical Center.

When was this NPI record last updated?

The NPPES record for Dianna Unay was last updated on January 12, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.