WILLIAM C ERVIN MD
NPI 1730148859
Internal Medicine in Portland, ME

Q: What is William Ervin's NPI number?

The NPI number for William Ervin is 1730148859. It was assigned to this individual provider in the NPPES registry on March 18, 2006.

Q: What is William Ervin's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for William Ervin was last updated on November 17, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.

Active since March 18, 2006PECOS Enrolled

84 MARGINAL WAY, SUITE 700, PORTLAND, ME 04101(207) 774-5816(207) 523-8597 Get Directions Write a Review

NPPES record last updated: November 17, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About William C Ervin Md NPPES

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

WILLIAM C ERVIN MD (NPI 1730148859) is an individual internal medicine provider in Portland, Maine, licensed in Maine (009853) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730148859

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameWILLIAM C ERVINCredential: MD

Location Address84 MARGINAL WAY, SUITE 700Portland, ME 04101-2443

Mailing Address100 Foden Road West, Suite 203South Portland, ME 04106 · (207) 828-0361 · Fax (207) 874-1483

Phone(207) 774-5816

Fax(207) 523-8597

Sole ProprietorNo

Enumeration DateMarch 18, 2006

Last NPPES UpdateNovember 17, 2010

✔ NPI 1730148859 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in ME · 009853

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.

84 MARGINAL WAY, Portland, ME 04101

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Other Identifiers 7

Other010556Anthem

Medicaid238590099ME

Other1044610Aetna

Medicare UPINB85630

Medicare PINCX6202ME

Medicare PIN134685ME

Medicare PIN13468501

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William C Ervin 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 04101 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

$128.83 typical visit price

range $56.28 – $169.96

Typical copayment $32.20 (range $14.07 – $42.49)

Most-billed visit code 99204

Established Patient

$99.18 typical visit price

range $18.22 – $138.92

Typical copayment $24.79 (range $4.55 – $34.73)

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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

10 suppliers22 claims113 services$5.59 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

2 suppliers12 claims15 services$167.78 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

CAROL M VAUGHAN MD

Obstetrics & Gynecology

84 MARGINAL WAY, SUITE 900
PORTLAND, ME 04101

Cumberland County (207) 874-2445

JOHN E ERICKSON MD

Internal Medicine

84 MARGINAL WAY, SUITE 700
PORTLAND, ME 04101

Cumberland County (207) 774-5816

CAROL FRESHLEY FNP

Nurse Practitioner (Family)

84 MARGINAL WAY, SUITE 700
PORTLAND, ME 04101

Cumberland County (207) 774-5816

JAMES C FOSTER MD

Pediatrics

84 MARGINAL WAY, SUITE 1000
PORTLAND, ME 04101

Cumberland County (207) 774-4092

MEAGAN SCHMERSAL NP

Nurse Practitioner (Family)

84 MARGINAL WAY, SUITE 700
PORTLAND, ME 04101

Cumberland County (207) 774-5816

MRS. KATHLEEN S. BROWN ANP

Nurse Practitioner (Family)

84 MARGINAL WAY
PORTLAND, ME 04101

Cumberland County (207) 774-5816

MS. MICHELLE BELYEA PNP

Nurse Practitioner

84 MARGINAL WAY, SUITE 1000
PORTLAND, ME 04101

Cumberland County (207) 774-4092

DOUGLAS R BARR MD

Internal Medicine

84 MARGINAL WAY, SUITE 700
PORTLAND, ME 04101

Cumberland County (207) 774-5816

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 William Ervin's NPI number?

The NPI number for William Ervin is 1730148859. It was assigned to this individual provider in the NPPES registry on March 18, 2006.

Where is William Ervin located?

William Ervin practices at 84 Marginal Way Suite 700, Portland, ME 04101. The listed phone number is (207) 774-5816.

What is William Ervin's specialty?

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

Is William Ervin enrolled in Medicare?

Yes. William Ervin is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Ervin was last updated on November 17, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.