DR. ELIZABETH DENNIS D.O.
NPI 1073714721
Internal Medicine in Westbrook, ME

Q: What is Elizabeth Dennis's NPI number?

The NPI number for Elizabeth Dennis is 1073714721. It was assigned to this individual provider in the NPPES registry on May 30, 2007.

Q: What is Elizabeth Dennis'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 Elizabeth Dennis was last updated on April 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since May 30, 2007PECOS EnrolledAccepts Medicare Assignment

11 ROCK ROW STE 320, WESTBROOK, ME 04092(207) 303-3300(207) 250-2139 Get Directions Write a Review

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

Record update history: Apr 16, 2026, May 6, 2025, Feb 18, 2025 and 5 more (8 updates tracked since 2019).

On this page

About Dr. Elizabeth Dennis D.o. NPPES

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

DR. ELIZABETH DENNIS D.O. (NPI 1073714721) is an individual internal medicine provider in Westbrook, Maine, licensed in Maine (2067) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains 6 additional practice locations.

NPPES Registry Identity

NPI1073714721

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. ELIZABETH DENNISCredential: D.O.

Location Address11 ROCK ROW STE 320Westbrook, ME 04092-4877

Mailing AddressPo Box 911Brattleboro, VT 05302-0911 · (207) 303-3200

Phone(207) 303-3300

Fax(207) 250-2139

Sole ProprietorNo

Medical School CMSMidwestern University, Chicago College Of Osteopathic MedGraduated 2005

Enumeration DateMay 30, 2007

Last NPPES UpdateApril 16, 20268 updates tracked since enumeration

NPPES CertifiedApril 16, 2026

✔ NPI 1073714721 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in ME · 2067✔ Licensed in NH · 24444

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.

11 ROCK ROW STE 320, Westbrook, ME 04092

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Secondary Practice Locations 6

Location 12 Independence DrKennebunk, ME 04043-6078 · Phone (207) 303-3300 · Fax (207) 250-2144

Location 2105 Topsham Fair Mall Rd Unit 1Topsham, ME 04086-1773 · Phone (207) 303-3300 · Fax (207) 250-2137

Location 3155 Borthwick Ave Ste CPortsmouth, NH 03801-7156 · Phone (603) 828-0100 · Fax (603) 828-0111

Location 411 Rock Row Ste 120Westbrook, ME 04092-4877 · Phone (207) 303-3300 · Fax (207) 250-2139

Location 515 Rock Row Ste 110Westbrook, ME 04092-4877 · Phone (207) 303-3300

Location 611 Rock Row Ste 150Westbrook, ME 04092-4877 · Phone (207) 303-3300 · Fax (207) 250-2139

Other Identifiers 1

Medicaid433988399ME

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield and more.Insurance ›

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

Dr. Elizabeth Dennis D.o. 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 ID1557429776

PECOS Enrollment IDI20081016000416, I20230815001564

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 16

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

11,750 services98 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

111 services88 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

88 services71 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

56 services53 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

49 services49 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

38 services38 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

37 services35 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

25 services25 patients

Infusion, normal saline solution , 1000 cc J7030

An infusion of normal saline solution, 1000 cc, is a common medical procedure. It involves introducing a saltwater solution into your bloodstream via an intravenous (IV) line. This helps to hydrate your body, correct electrolyte imbalances, and deliver medications if needed.

24 services18 patients

Infusion into a vein for hydration, 31-60 minutes 96360

This is a procedure where a sterile solution is administered into your vein to help restore body fluid balance. It typically lasts between 31-60 minutes. It's a safe, common treatment for dehydration or to deliver medication.

20 services15 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

19 services18 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.

18 services16 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

17 services17 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

15 services15 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

14 services13 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

14 services14 patients

Hospital Affiliations CMS Care Compare 5

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

Mid Coast Hospital

Acute Care Hospitals · Brunswick, ME

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number200021

Location123 Medical Center DriveBrunswick, ME 04011 · Cumberland County

Emergency services Birthing friendly

Penobscot Bay Medical Center

Acute Care Hospitals · Rockport, ME

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number200063

Location6 Glen Cove DriveRockport, ME 04856 · Knox County

Emergency services Birthing friendly

Lincolnhealth

Critical Access Hospitals · Damariscotta, ME

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number201302

Location35 Miles StreetDamariscotta, ME 04543 · Lincoln County

Emergency services

Portsmouth Regional Hospital

Acute Care Hospitals · Portsmouth, NH

3/5 CMS rating

OwnershipProprietary

CMS Certification Number300029

Location333 Borthwick AvePortsmouth, NH 03801 · Rockingham County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04092 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.

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Other Providers at the Same Location NPPES 15

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

DR. ELENI NICOLE NACKOS MD

Internal Medicine (Hematology & Oncology)