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MOLLY CLAIRE MACK MD, MS
NPI 1215427158
Pediatrics - Hospice and Palliative Medicine in Pittsburgh, PA

Active since May 16, 2018PECOS Enrolled
4401 PENN AVE, RANGOS RESEARCH BUILDING-5TH FLOOR, PITTSBURGH, PA 15224(412) 692-5055 Get Directions Write a Review

NPPES record last updated: July 17, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 17, 2026, Feb 28, 2022, May 16, 2018 (3 updates tracked since 2018).

About Molly Claire Mack Md, Ms NPPES

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

MOLLY CLAIRE MACK MD, MS (NPI 1215427158) is an individual hospice and palliative medicine provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (MD472481) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1215427158
Entity TypeIndividualFemale
Primary Taxonomy2080H0002X
Provider Legal NameMOLLY CLAIRE MACKCredential: MD, MS
Location Address4401 PENN AVE, RANGOS RESEARCH BUILDING-5TH FLOORPittsburgh, PA 15224
Mailing Address600 Grant St Fl 58Pittsburgh, PA 15219-2739 · (412) 692-6000
Phone(412) 692-5055
Sole ProprietorNo
Enumeration DateMay 16, 2018
Last NPPES UpdateJuly 17, 20263 updates tracked since enumeration
NPPES CertifiedJuly 17, 2026
✔ NPI 1215427158 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Hospice and Palliative MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080H0002X
License✔ Licensed in PA · MD472481
Definition
A pediatrician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team to maximize quality of life while addressing physical, psychological, social and spiritual needs of both patient and family throughout the course of the disease, through the dying process, and beyond for the family. This specialist has expertise in the assessment of patients with advanced disease; the relief of distressing symptoms; the coordination of interdisciplinary patient and family-centered care in diverse venues; the use of specialized care systems including hospice; the management of the imminently dying patient; and legal and ethical decision making in end-of-life care.
Also ListedPediatrics · Pediatric Hematology-OncologyTaxonomy 2080P0207X · License MD472481 (PA)
4401 PENN AVE, Pittsburgh, PA 15224
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Molly Claire Mack Md, Ms 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 Molly Mack reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Pittsburgh Physicians
Same address
Pediatrics
4401 PENN AVE
Pittsburgh, PA 15224
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 7,114 clinicians in this Medicare group
NPI 1225096639 (412) 692-5325

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.

KARA MARIE MARANGONI CRNP
Nurse Practitioner (Neonatal, Critical Care)
4401 PENN AVE
PITTSBURGH, PA 15224
Allegheny County (412) 692-5030
ALLISON WILLIAMS
Pediatrics
4401 PENN AVE, AOB SUITE 5400
PITTSBURGH, PA 15224
Allegheny County (412) 692-5285
FRANCES FLEDDERMANN
Nurse Practitioner (Neonatal)
4401 PENN AVE
PITTSBURGH, PA 15224
Allegheny County (412) 692-5030
PREETHA KEYA SINHA MD
Orthopaedic Surgery (Pediatric Orthopaedic Surgery)
4401 PENN AVE
PITTSBURGH, PA 15224
Allegheny County (412) 692-5325
CHRISTIN LAWLER DEAL M.D.
Allergy & Immunology
4401 PENN AVE
PITTSBURGH, PA 15224
Allegheny County (404) 226-4169
ANNA ELISA HEIPERTZ
Student in an Organized Health Care Education/Training Program
4401 PENN AVE, AOB BUILDING, SUITE 5400
PITTSBURGH, PA 15224
Allegheny County (412) 692-5285
DANIELLE BROWNING
Pediatrics (Neonatal-Perinatal Medicine)
4401 PENN AVE, AOB SUITE 5400
PITTSBURGH, PA 15224
Allegheny County (412) 692-5285
ADESH SURESH RANGANNA
Student in an Organized Health Care Education/Training Program
4401 PENN AVE
PITTSBURGH, PA 15224
Allegheny County (412) 692-5135

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 Molly Mack's NPI number?

The NPI number for Molly Mack is 1215427158. It was assigned to this individual provider in the NPPES registry on May 16, 2018.

Where is Molly Mack located?

Molly Mack practices at 4401 Penn Ave Rangos Research Building-5th Floor, Pittsburgh, PA 15224. The listed phone number is (412) 692-5055.

What is Molly Mack's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Hospice and Palliative Medicine, with taxonomy code 2080H0002X.

Is Molly Mack enrolled in Medicare?

Yes. Molly Mack is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Molly Mack's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Molly Mack reassigns Medicare benefits to University Of Pittsburgh Physicians (Pittsburgh, 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 Molly Mack'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 Molly Mack was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.