DR. PATRICIA A LERWICK MD
NPI 1912000159
Internal Medicine - Critical Care Medicine in So. Portland, ME

Q: What is Patricia Lerwick's NPI number?

The NPI number for Patricia Lerwick is 1912000159. It was assigned to this individual provider in the NPPES registry on September 6, 2006.

Q: What is Patricia Lerwick's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Q: When was this NPI record last updated?

The NPPES record for Patricia Lerwick was last updated on December 15, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 September 06, 2006PECOS Enrolled

100 FODEN ROAD, WEST BUILDING SUITE 103, SO. PORTLAND, ME 04106(207) 828-1122(207) 828-0188 Get Directions Write a Review

NPPES record last updated: December 15, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Patricia A Lerwick Md NPPES

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

DR. PATRICIA A LERWICK MD (NPI 1912000159) is an individual critical care medicine provider in So. Portland, Maine, licensed in Maine (012163) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1912000159

Entity TypeIndividualFemale

Primary Taxonomy207RC0200X

Provider Legal NameDR. PATRICIA A LERWICKCredential: MD

Location Address100 FODEN ROAD, WEST BUILDING SUITE 103So. Portland, ME 04106

Mailing Address100 Foden Rd., West Building Suite 103So. Portland, ME 04106 · (207) 828-1122 · Fax (207) 828-0188

Phone(207) 828-1122

Fax(207) 828-0188

Sole ProprietorNo

Enumeration DateSeptember 6, 2006

Last NPPES UpdateDecember 15, 2019

✔ NPI 1912000159 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RC0200X

License✔ Licensed in ME · 012163

Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 012163 (ME)

100 FODEN ROAD, So. Portland, ME 04106

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Patricia A Lerwick 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.

Medicare Billing Reassignment

Medicare enrollment records show Patricia Lerwick reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Chest Medicine Associates, PA

Same address

Pulmonary Disease

100 FODEN ROAD, WEST BUILDING SUITE 103
South Portland, ME 04106

Reassigned Medicare billing, Maine enrollment
40 clinicians in this Medicare group

NPI 1437255247 (207) 828-1122

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04106 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.

Other Providers at the Same Location NPPES 14

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

DR. JONATHAN B ZUCKERMAN MD