1. Home
  2. Directory
  3. Pennsylvania
  4. Allentown
  5. Pediatrics
  6. NPI Profile

CRYSTAL ANN NUNEZ M.D.
NPI 1134563224
Pediatrics - Pediatric Critical Care Medicine in Allentown, PA

Active since April 19, 2013PECOS Enrolled
1200 S CEDAR CREST BLVD, ALLENTOWN, PA 18103(610) 402-7632(610) 402-7600 Get Directions Write a Review

NPPES record last updated: August 19, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Crystal Ann Nunez M.d. NPPES

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

CRYSTAL ANN NUNEZ M.D. (NPI 1134563224) is an individual pediatric critical care medicine provider in Allentown, Pennsylvania, licensed in Pennsylvania (MD464029) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS and maintains a secondary practice location in Buffalo.

NPPES Registry Identity

NPI1134563224
Entity TypeIndividualFemale
Primary Taxonomy2080P0203X
Provider Legal NameCRYSTAL ANN NUNEZCredential: M.D.
Location Address1200 S CEDAR CREST BLVDAllentown, PA 18103
Mailing AddressPo Box 783311Philadelphia, PA 19178-3311 · (484) 884-4500 · Fax (484) 884-0699
Phone(610) 402-7632
Fax(610) 402-7600
Sole ProprietorNo
Enumeration DateApril 19, 2013
Last NPPES UpdateAugust 19, 2019
✔ NPI 1134563224 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
License✔ Licensed in PA · MD464029
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
1200 S CEDAR CREST BLVD, Allentown, PA 18103
Open in Google Maps ↗

Secondary Practice Location 1

Location 1219 Bryant StBuffalo, NY 14222-2006 · Phone (716) 878-7432

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Crystal Ann Nunez M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Crystal Nunez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lehigh Valley Physician Group
Same address
Pediatrics
1200 S CEDAR CREST BLVD
Allentown, PA 18103
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 2,895 clinicians in this Medicare group
NPI 1104990969 (610) 402-6700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

MUHAMMAD MAJEED MD
Hospitalist
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (610) 402-5369
AARSHITHA SRINIVAS KATTA DO
Hospitalist
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (610) 402-5369
CARLY A. SHAFFER DO
Internal Medicine
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (484) 862-3156
NORMA D. WILSON CRNA
Nurse Anesthetist, Certified Registered
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (610) 402-9099
ASHLEY VOJTEK DO
Student in an Organized Health Care Education/Training Program
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (484) 862-3200
DR. DOUGLAS MCHALE DO
Pediatrics
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (610) 402-7712
LEHIGH VALLEY SPECIALTY PHYSICIAN GROUP
Hospitalist
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (610) 402-5369
ANNE ALICIA TOKOS MD
Emergency Medicine
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (610) 402-8000

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 Crystal Nunez's NPI number?

The NPI number for Crystal Nunez is 1134563224. It was assigned to this individual provider in the NPPES registry on April 19, 2013.

Where is Crystal Nunez located?

Crystal Nunez practices at 1200 S Cedar Crest Blvd, Allentown, PA 18103. The listed phone number is (610) 402-7632.

What is Crystal Nunez's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Crystal Nunez enrolled in Medicare?

Yes. Crystal Nunez is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Crystal Nunez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Crystal Nunez reassigns Medicare benefits to Lehigh Valley Physician Group (Allentown, PA). The 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 Crystal Nunez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Crystal Nunez was last updated on August 19, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.