DR. MOLLY ELLEN DEAK M.D.
NPI 1669869624
Pediatrics in Philadelphia, PA

Active since April 16, 2015PECOS Enrolled
3550 MARKET ST FL 4, PHILADELPHIA, PA 19104(215) 590-2178 Get Directions Write a Review

NPPES record last updated: August 23, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 23, 2019, Jul 17, 2018 (2 updates tracked since 2018).

About Dr. Molly Ellen Deak M.d. NPPES

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

DR. MOLLY ELLEN DEAK M.D. (NPI 1669869624) is an individual pediatrics provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD463726) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS and maintains a secondary practice location in Wilmington.

NPPES Registry Identity

NPI1669869624
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. MOLLY ELLEN DEAKCredential: M.D.
Location Address3550 MARKET ST FL 4Philadelphia, PA 19104
Mailing Address3550 Market St Fl 4Philadelphia, PA 19104-3368 · (215) 590-2178
Sole ProprietorNo
Enumeration DateApril 16, 2015
Last NPPES UpdateAugust 23, 20192 updates tracked since enumeration
✔ NPI 1669869624 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in PA · MD463726✔ Licensed in DE · C70005905
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
3550 MARKET ST FL 4, Philadelphia, PA 19104

Secondary Practice Location 1

Location 11600 Rockland Rd, Suite 2B80Wilmington, DE 19803 · Phone (302) 651-5874 · Fax (302) 651-5954

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Molly Ellen Deak 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 Molly Deak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Neurology
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA
Philadelphia, PA 19104
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,225 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19104 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
$105.21 typical visit price
range $19.30 – $147.29
Typical copayment $26.30 (range $4.82 – $36.82)
Most-billed visit code 99214
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 17

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

Pediatrics
3550 MARKET ST FL 4, CHCA CHOP CAMPUS
PHILADELPHIA, PA 19104
Pediatrics
3550 MARKET ST FL 4, CHCA CHOP CAMPUS
PHILADELPHIA, PA 19104
Nurse Practitioner (Pediatrics)
3550 MARKET ST FL 4
PHILADELPHIA, PA 19104
Pediatrics
3550 MARKET ST FL 4, CHOP CARE NETWORK AT MARKET ST.
PHILADELPHIA, PA 19104
Pediatrics
3550 MARKET ST FL 4, CHOP CARE NETWORK AT MARKET STREET
PHILADELPHIA, PA 19104
Pediatrics
3550 MARKET ST FL 4, CHOP - DEPARTMENT OF FACULTY PRACTICE
PHILADELPHIA, PA 19104
Pediatrics
3550 MARKET ST FL 4, CARE NETWORK - CHOP CAMPUS FACULTY PRACTICE
PHILADELPHIA, PA 19104
Pediatrics
3550 MARKET ST FL 4, CHOP CARE NETWORK AT MARKET ST.
PHILADELPHIA, PA 19104

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 Deak's NPI number?

The NPI number for Molly Deak is 1669869624. It was assigned to this individual provider in the NPPES registry on April 16, 2015.

Where is Molly Deak located?

Molly Deak practices at 3550 Market St Fl 4, Philadelphia, PA 19104. The listed phone number is (215) 590-2178.

What is Molly Deak's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Molly Deak enrolled in Medicare?

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

Which organization bills Medicare for Molly Deak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Molly Deak reassigns Medicare benefits to Childrens Health Care Associates, Inc (Philadelphia, 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 Deak'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 Deak was last updated on August 23, 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.