1. Home
  2. Directory
  3. New Jersey
  4. Haddonfield
  5. Pediatrics
  6. NPI Profile

DR. THERESA M WELSH MD
NPI 1013971894
Pediatrics in Haddonfield, NJ

Active since April 17, 2006PECOS Enrolled
220 N HADDON AVE, HADDONFIELD, NJ 08033(856) 429-6719(856) 429-6898 Get Directions Write a Review

NPPES record last updated: August 28, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Theresa M Welsh Md NPPES

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

DR. THERESA M WELSH MD (NPI 1013971894) is an individual pediatrics provider in Haddonfield, New Jersey, licensed in New Jersey (25MA04772900) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Cherry Hill.

NPPES Registry Identity

NPI1013971894
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. THERESA M WELSHCredential: MD
Location Address220 N HADDON AVEHaddonfield, NJ 08033
Mailing Address402 Lippincott DrMarlton, NJ 08053-4112 · (856) 782-3300 · Fax (856) 504-8029
Phone(856) 429-6719
Fax(856) 429-6898
Sole ProprietorNo
Enumeration DateApril 17, 2006
Last NPPES UpdateAugust 28, 2018
✔ NPI 1013971894 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in NJ · 25MA04772900
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.
220 N HADDON AVE, Haddonfield, NJ 08033
Open in Google Maps ↗

Secondary Practice Location 1

Location 1325 Marlton Pike ECherry Hill, NJ 08034-2408 · Phone (856) 528-5370 · Fax (856) 528-5375

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Theresa M Welsh Md 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 Theresa Welsh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Advocare, LLC
6.3 mi
Pediatrics
401 ROUTE 73 N STE 320
Marlton, NJ 08053
  • Reassigned Medicare billing, New Jersey enrollment
  • 909 clinicians in this Medicare group
NPI 1770538696 (856) 872-7055

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 08033 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
$94.90 typical visit price
range $61.59 – $185.05
Typical copayment $23.72 (range $15.39 – $46.26)
Most-billed visit code 99203
Established Patient
$107.94 typical visit price
range $20.08 – $150.98
Typical copayment $26.98 (range $5.02 – $37.74)
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 5

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

DR. KEVIN J KING MD
Pediatrics
220 N HADDON AVE
HADDONFIELD, NJ 08033
Camden County (856) 429-6719
DR. HENRY J SMERGEL MD
Pediatrics
220 N HADDON AVE
HADDONFIELD, NJ 08033
Camden County (856) 429-6719
ADVOCARE, LLC
Pediatrics
220 N HADDON AVE
HADDONFIELD, NJ 08033
Camden County (856) 429-6719
DR. ERIN COLEEN MILLIGAN-MILBURN M.D.
Pediatrics
220 N HADDON AVE
HADDONFIELD, NJ 08033
Camden County (856) 429-6719
DR. CLAIRE L CALTABIANO MD
Pediatrics
220 N HADDON AVE
HADDONFIELD, NJ 08033
Camden County (856) 429-6719

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 Theresa Welsh's NPI number?

The NPI number for Theresa Welsh is 1013971894. It was assigned to this individual provider in the NPPES registry on April 17, 2006.

Where is Theresa Welsh located?

Theresa Welsh practices at 220 N Haddon Ave, Haddonfield, NJ 08033. The listed phone number is (856) 429-6719.

What is Theresa Welsh's specialty?

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

Is Theresa Welsh enrolled in Medicare?

Yes. Theresa Welsh is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Theresa Welsh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Theresa Welsh reassigns Medicare benefits to Advocare, LLC (Marlton, NJ). 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 Theresa Welsh'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 Theresa Welsh was last updated on August 28, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.