Doctor profile · Federal record

Dr. Heather Irwin, MS,RD,LDN

Registered Dietitian (CMS: Registered Dietitian or Nutrition Professional) · Limerick, PA

  • NPI 1649729674
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
403 W Ridge Pike
Limerick, PA 194683451
(610) 454-7332

Credentials & registration

NPPES · NUCC
NPI registered
October 2016 — 10 yrs on file
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
133V00000X — NUCC code
State license (1)
Pennsylvania #DN001668

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649729674. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
371
Distinct HCPCS
3
Medicare allowed
$10,502
HCPCS Description Services Patients Avg allowed
G0270 Medical nutrition therapy; reassessment and subsequent intervention(s) following second referral in same year for change in diagnosis, medical condition or treatment regimen (including additional hours needed for renal disease), individual, face to face wi 184 15 $28
97803 Therapy procedure reassessment for nutrition management, each 15 minutes 132 23 $28
97802 Therapy procedure for nutrition management, each 15 minutes 55 13 $32

In context: peer comparison

Among 1 peers in Limerick Registered Dietitian, average services per provider: 123. This provider delivers 3.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Heather Irwin's medical specialty?
Dr. Heather Irwin practices Registered Dietitian in Limerick, PA.
Where does Dr. Heather Irwin practice?
Dr. Heather Irwin practices at 403 W Ridge Pike, Limerick, PA 194683451. Office phone: 6104547332.
What is Dr. Heather Irwin's NPI?
Dr. Heather Irwin's National Provider Identifier (NPI) is 1649729674, issued by NPPES.
Does Dr. Heather Irwin accept Medicare assignment?
Dr. Heather Irwin does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Heather Irwin commonly perform?
Top Medicare-reported procedures in 2023: Medical nutrition therapy; reassessment and subsequent intervention(s) following second referral in same year for change in diagnosis, medical condition or treatment regimen (including additional hours needed for renal disease), individual, face to face wi (HCPCS G0270); Therapy procedure reassessment for nutrition management (HCPCS 97803); Therapy procedure for nutrition management (HCPCS 97802). Source: CMS Medicare Physician & Other Practitioners file.