MR. HENRY CALVIN MARTENSEN III PA-C
NPI 1669836300
Physician Assistant in South Portland, ME

Active since April 08, 2016PECOS EnrolledAccepts Medicare Assignment
119 GANNETT DR, SOUTH PORTLAND, ME 04106(207) 781-1551 Get Directions Write a Review

NPPES record last updated: July 16, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 16, 2021, Apr 2, 2017 (2 updates tracked since 2017).

About Mr. Henry Calvin Martensen Iii Pa-c NPPES

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

MR. HENRY CALVIN MARTENSEN III PA-C (NPI 1669836300) is an individual physician assistant in South Portland, Maine, licensed in North Carolina (0010-06360) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1669836300
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMR. HENRY CALVIN MARTENSEN IIICredential: PA-C
Location Address119 GANNETT DRSouth Portland, ME 04106-6942
Mailing Address119 Gannett DrSouth Portland, ME 04106-6942 · (207) 661-2087 · Fax (207) 781-1552
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateApril 8, 2016
Last NPPES UpdateJuly 16, 20212 updates tracked since enumeration
NPPES CertifiedJuly 16, 2021
NPI 1669836300 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses Licensed in NC · 0010-06360 Licensed in ME · PA2229
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
119 GANNETT DR, South Portland, ME 04106

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mr. Henry Calvin Martensen Iii Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8022308121
PECOS Enrollment IDI20210907001226
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
21 services14 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Maine Medical Center

Acute Care Hospitals · Portland, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200009
Location22 Bramhall StPortland, ME 04102 · Cumberland County
Emergency services Birthing friendly

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
$86.72 typical visit price
range $56.28 – $169.96
Typical copayment $21.68 (range $14.07 – $42.49)
Most-billed visit code 99203
Established Patient
$70.13 typical visit price
range $18.22 – $138.92
Typical copayment $17.53 (range $4.55 – $34.73)
Most-billed visit code 99213
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.

Specialist/Technologist (Athletic Trainer)
119 GANNETT DR
SOUTH PORTLAND, ME 04106
Orthopaedic Surgery (Pediatric Orthopaedic Surgery)
119 GANNETT DR
SOUTH PORTLAND, ME 04106
Physician Assistant (Surgical)
119 GANNETT DR
SOUTH PORTLAND, ME 04106
Physical Therapist
119 GANNETT DR
SOUTH PORTLAND, ME 04106
Specialist/Technologist (Athletic Trainer)
119 GANNETT DR
SOUTH PORTLAND, ME 04106
Specialist/Technologist (Athletic Trainer)
119 GANNETT DR
SOUTH PORTLAND, ME 04106
Internal Medicine (Cardiovascular Disease)
119 GANNETT DR
SOUTH PORTLAND, ME 04106
Physician Assistant (Surgical)
119 GANNETT DR
SOUTH PORTLAND, ME 04106

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 Henry Martensen's NPI number?

The NPI number for Henry Martensen is 1669836300. It was assigned to this individual provider in the NPPES registry on April 8, 2016.

Where is Henry Martensen located?

Henry Martensen practices at 119 Gannett Dr, South Portland, ME 04106. The listed phone number is (207) 781-1551.

What is Henry Martensen's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Henry Martensen enrolled in Medicare?

Yes. Henry Martensen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Henry Martensen affiliated with any hospitals?

According to CMS data, Henry Martensen is affiliated with Maine Medical Center.

When was this NPI record last updated?

The NPPES record for Henry Martensen was last updated on July 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.