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STEVEN E DIAZ MD
NPI 1346201522
Emergency Medicine in Waterville, ME

Active since March 29, 2006PECOS Enrolled
149 NORTH ST, MGHA HOSPITALIST PROGRAM, WATERVILLE, ME 04901(207) 626-1018(207) 626-1214 Get Directions Write a Review

NPPES record last updated: July 30, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Steven E Diaz Md NPPES

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

STEVEN E DIAZ MD (NPI 1346201522) is an individual emergency medicine provider in Waterville, Maine, licensed in Maine (014039) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1346201522
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameSTEVEN E DIAZCredential: MD
Location Address149 NORTH ST, MGHA HOSPITALIST PROGRAMWaterville, ME 04901-4974
Mailing Address149 North St, Mgha Hospitalist ProgramWaterville, ME 04901-4974 · (207) 626-1018 · Fax (207) 626-1214
Phone(207) 626-1018
Fax(207) 626-1214
Sole ProprietorNo
Enumeration DateMarch 29, 2006
Last NPPES UpdateJuly 30, 2008
✔ NPI 1346201522 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in ME · 014039
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedFamily MedicineTaxonomy 207Q00000X · License 014039 (ME)
149 NORTH ST, Waterville, ME 04901
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Other Identifiers 4

Medicare PINMM6175ME
Medicare UPING18868ME
Medicaid336020099ME
Medicare PINMM617501ME

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Steven E Diaz 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04901 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
$82.58 typical visit price
range $53.26 – $162.77
Typical copayment $20.64 (range $13.31 – $40.69)
Most-billed visit code 99203
Established Patient
$94.60 typical visit price
range $16.90 – $132.79
Typical copayment $23.65 (range $4.22 – $33.19)
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.

CATHERINE BATZ DO
Family Medicine
149 NORTH ST
WATERVILLE, ME 04901
Kennebec County (207) 861-5101
DAG HOLMSEN M.D.
Anesthesiology
149 NORTH ST
WATERVILLE, ME 04901
Kennebec County (207) 622-1959
LINDA LEE OHNMACHT NP
Nurse Practitioner
149 NORTH ST
WATERVILLE, ME 04901
Kennebec County (207) 872-1270
MARTHA JEAN PONITZ CRNA
Nurse Anesthetist, Certified Registered
149 NORTH ST
WATERVILLE, ME 04901
Kennebec County (207) 872-1270
STEPHEN M RAPH MD
Internal Medicine
149 NORTH ST
WATERVILLE, ME 04901
Kennebec County (207) 873-1098
JOSEPH FOURNIER
Physical Therapist
149 NORTH ST
WATERVILLE, ME 04901
Kennebec County (207) 872-4400
ELIZABETH HARWOOD
Nurse Practitioner
149 NORTH ST
WATERVILLE, ME 04901
Kennebec County (207) 861-5000
EDWARD R RINGEL M.D.
Internal Medicine (Pulmonary Disease)
149 NORTH ST
WATERVILLE, ME 04901
Kennebec County (207) 872-1715

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 Diaz's NPI number?

The NPI number for Steven Diaz is 1346201522. It was assigned to this individual provider in the NPPES registry on March 29, 2006.

Where is Steven Diaz located?

Steven Diaz practices at 149 North St Mgha Hospitalist Program, Waterville, ME 04901. The listed phone number is (207) 626-1018.

What is Steven Diaz's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Steven Diaz enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Steven Diaz was last updated on July 30, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.