Doctor profile · Federal record

Dr. Mary Houser, RD

Registered Dietitian · Naperville, IL

  • NPI 1275200834
  • 5 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1020 E Ogden Ave
Naperville, IL 605638609
(630) 469-9200
Mailing address
Po Box 713260
Chicago, IL 606771260

Credentials & registration

NPPES · NUCC
NPI registered
August 2021 — 5 yrs on file
Profile last updated
July 13, 2023
Specialty taxonomy
133V00000X — NUCC code
State license (1)
Illinois #164.008465

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275200834. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
175
Distinct HCPCS
2
Medicare allowed
$5,347
HCPCS Description Services Patients Avg allowed
97802 Therapy procedure for nutrition management, each 15 minutes 118 34 $32
97803 Therapy procedure reassessment for nutrition management, each 15 minutes 57 15 $28

In context: peer comparison

Among 2 peers in Naperville Registered Dietitian, average services per provider: 72. This provider delivers 2.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Houser's medical specialty?
Dr. Mary Houser practices Registered Dietitian in Naperville, IL.
Where does Dr. Mary Houser practice?
Dr. Mary Houser practices at 1020 E Ogden Ave, Naperville, IL 605638609. Office phone: 6304699200.
What is Dr. Mary Houser's NPI?
Dr. Mary Houser's National Provider Identifier (NPI) is 1275200834, issued by NPPES.
What procedures does Dr. Mary Houser commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure for nutrition management (HCPCS 97802); Therapy procedure reassessment for nutrition management (HCPCS 97803). Source: CMS Medicare Physician & Other Practitioners file.