Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALLISON FRIEDHOFF DO
NPI 1548956162
Internal Medicine in Crystal Cty, MO

Active since April 17, 2023PECOS Enrolled
1400 US HIGHWAY 61, CRYSTAL CTY, MO 63028(636) 933-5337(636) 933-8090 Get Directions Write a Review

NPPES record last updated: September 2, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Sep 2, 2026, Jun 21, 2023 (2 updates tracked since 2023).

About Allison Friedhoff Do NPPES

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

ALLISON FRIEDHOFF DO (NPI 1548956162) is an individual internal medicine provider in Crystal Cty, Missouri, licensed in Missouri (2026006188) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1548956162
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameALLISON FRIEDHOFFCredential: DO
Location Address1400 US HIGHWAY 61Crystal Cty, MO 63028-4108
Mailing Address1400 Us Highway 61Crystal Cty, MO 63028-4108 · (636) 933-5337 · Fax (636) 933-8090
Fax(636) 933-8090
Sole ProprietorNo
Enumeration DateApril 17, 2023
Last NPPES UpdateSeptember 2, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 2, 2026
NPI 1548956162 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MO · 2026006188
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1400 US HIGHWAY 61, Crystal Cty, MO 63028

Secondary Practice Locations 3

Location 1615 S New Ballas RdSaint Louis, MO 63141-8221 · Phone (314) 251-6339
Location 210010 Kennerly RdSaint Louis, MO 63128-2106 · Phone (314) 525-1328
Location 3901 E 5th StWashington, MO 63090-3127 · Phone (636) 293-8231

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Allison Friedhoff Do 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63028 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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 20

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

Pharmacy (Community/Retail Pharmacy)
1400 US HIGHWAY 61, STE G38
FESTUS, MO 63028
Internal Medicine (Critical Care Medicine)
1400 US HIGHWAY 61
FESTUS, MO 63028
Family Medicine
1400 US HIGHWAY 61
FESTUS, MO 63028
Medicare Defined Swing Bed Unit
1400 US HIGHWAY 61
FESTUS, MO 63028
Radiology (Vascular & Interventional Radiology)
1400 US HIGHWAY 61
FESTUS, MO 63028
Nurse Anesthetist, Certified Registered
1400 US HIGHWAY 61
FESTUS, MO 63028
Internal Medicine
1400 US HIGHWAY 61
FESTUS, MO 63028
Physician Assistant
1400 US HIGHWAY 61
FESTUS, MO 63028

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 Allison Friedhoff's NPI number?

The NPI number for Allison Friedhoff is 1548956162. It was assigned to this individual provider in the NPPES registry on April 17, 2023.

Where is Allison Friedhoff located?

Allison Friedhoff practices at 1400 Us Highway 61, Crystal Cty, MO 63028. The listed phone number is (636) 933-5337.

What is Allison Friedhoff's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Allison Friedhoff enrolled in Medicare?

Yes. Allison Friedhoff is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Allison Friedhoff was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.