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SUSAN E DUNN MD
NPI 1508020694
Internal Medicine in Portland, ME

Active since July 17, 2008PECOS EnrolledAccepts Medicare Assignment
79.27/100
CMS Quality Rating
84 MARGINAL WAY, SUITE 700, PORTLAND, ME 04101(207) 774-5816(207) 523-8597 Get Directions Write a Review

NPPES record last updated: May 28, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 28, 2026, Nov 4, 2016, Oct 13, 2016 (3 updates tracked since 2016).

About Susan E Dunn Md NPPES

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

SUSAN E DUNN MD (NPI 1508020694) is an individual internal medicine provider in Portland, Maine, licensed in Maine (MD19227) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS, is affiliated with Maine General Medical Center, and maintains a secondary practice location in Augusta.

NPPES Registry Identity

NPI1508020694
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameSUSAN E DUNNCredential: MD
Location Address84 MARGINAL WAY, SUITE 700Portland, ME 04101-2443
Mailing Address100 Gannett Dr, Suite CSouth Portland, ME 04106-5900 · (207) 828-0361 · Fax (207) 874-1483
Phone(207) 774-5816
Fax(207) 523-8597
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateJuly 17, 2008
Last NPPES UpdateMay 28, 20263 updates tracked since enumeration
NPPES CertifiedMay 28, 2026
✔ NPI 1508020694 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 · MD19227
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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Secondary Practice Location 1

Location 135 Medical Center PkwyAugusta, ME 04330-8160 · Phone (207) 626-6480 · Fax (207) 626-6481

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

Susan E Dunn Md 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 ID5193972784
PECOS Enrollment IDI20200922002033
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 7

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.

Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
133 services31 patients
Hemodialysis procedure with physician evaluation 90935
Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.
51 services25 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
48 services31 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
44 services25 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
35 services26 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
35 services21 patients

Hospital Affiliations CMS Care Compare

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

Maine General Medical Center

Acute Care Hospitals · Augusta, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number200039
Location35 Medical Center ParkwayAugusta, ME 04330 · Kennebec County
Emergency services Birthing friendly

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

79.27/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.72
Promoting Interoperability76
Improvement Activities40
Cost60.51

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 Susan Dunn's NPI number?

The NPI number for Susan Dunn is 1508020694. It was assigned to this individual provider in the NPPES registry on July 17, 2008.

Where is Susan Dunn located?

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

What is Susan Dunn's specialty?

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

Is Susan Dunn enrolled in Medicare?

Yes. Susan Dunn 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 Susan Dunn affiliated with any hospitals?

According to CMS data, Susan Dunn is affiliated with Maine General Medical Center.

When was this NPI record last updated?

The NPPES record for Susan Dunn was last updated on May 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.