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DR. STEVEN M HERF M.D.
NPI 1821097841
Internal Medicine - Endocrinology, Diabetes & Metabolism in Peoria, AZ

Active since July 20, 2005PECOS Enrolled
12520 W BAJADA RD, PEORIA, AZ 85383(623) 476-2873 Get Directions Write a Review

NPPES record last updated: March 2, 2016. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Steven M Herf M.d. NPPES

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

DR. STEVEN M HERF M.D. (NPI 1821097841) is an individual endocrinology, diabetes & metabolism provider in Peoria, Arizona, licensed in Arizona (34971) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821097841
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. STEVEN M HERFCredential: M.D.
Location Address12520 W BAJADA RDPeoria, AZ 85383-2805
Mailing Address12520 W Bajada RdPeoria, AZ 85383-2805 · (623) 476-2873
Phone(623) 476-2873
Sole ProprietorYes
Enumeration DateJuly 20, 2005
Last NPPES UpdateMarch 2, 2016
✔ NPI 1821097841 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in AZ · 34971
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedFamily MedicineTaxonomy 207Q00000X · License 01028290B (IN)
12520 W BAJADA RD, Peoria, AZ 85383
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Other Identifiers 3

Medicare UPIND94994IN
MedicaidPENDINGIN
Medicare ID-Type Unspecified637650QIN

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Steven M Herf 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85383 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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.

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 Steven Herf's NPI number?

The NPI number for Steven Herf is 1821097841. It was assigned to this individual provider in the NPPES registry on July 20, 2005.

Where is Steven Herf located?

Steven Herf practices at 12520 W Bajada Rd, Peoria, AZ 85383. The listed phone number is (623) 476-2873.

What is Steven Herf's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Steven Herf enrolled in Medicare?

Yes. Steven Herf is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Steven Herf was last updated on March 2, 2016. NPI Profile syncs with the weekly NPPES data releases published by CMS.