Joseph Dominic Mack, M.D.

Colon & Rectal Surgery

Joseph Dominic Mack is a Colon & Rectal Surgery specialist based in Portland, ME with over 10 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(207) 662-0111Portland, ME
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Joseph Dominic Mack, M.D. has been part of the Portland medical community since 2016 in group practice. He graduated from Tufts University School of Medicine in 2016 and has 10+ years of clinical experience. Among his Medicare patients, common conditions include hypertension, high cholesterol, and cancer (per CMS data). CMS MIPS quality score: 98.07/100 (2023).

At a glance

  • Federal MIPS score higher than 24% of MIPS-scored doctors in Maine
  • Virtual visits available — no app or travel required
1 of 3 Colon & Rectal Surgery providers in MESee all Colon & Rectal Surgery in Portland10+ years experienceNPI since 2016

Older · 1475dNPPES updated 2022-05-09 · verify NPI on CMS · Verify license at Maine Board of Licensure in Medicine

Contact & Location

Practice Location

22 Bramhall St, Portland, ME 04102-3134

CMS Clinical Data

How Does This Doctor Compare?

MIPS Score

2023

98.07/100

Maine avg: 93.9 · US avg: 83.6

Higher than most doctors nationally(+14.5 pts)

How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.

Medicare Patients

68

Unique beneficiaries

Standard volume

Prescription Recipients

44

Patients prescribed

Prescriptions Written

83

Total claims

Total Medicare drug cost: $376

Percentile rankings compared against 387 reporting peers in Maine.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Cancer.

Hypertension
Higher than avg (+1%)71%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↑ More patients than average (+1%) — a focus area for this doctor

High Cholesterol
Lower than avg (-11%)59%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↓ Fewer patients than average (-11%) — less common here

Cancer
Higher than avg (+23%)44%

Diseases involving abnormal cell growth with potential to spread to other body parts

US avg: 20.8%

↑ More patients than average (+23%) — a focus area for this doctor

Arthritis
Lower than avg (-9%)40%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-9%) — less common here

Anxiety Disorders
34%

Excessive worry or fear that interferes with daily life

US avg: 34.1%
Mood Disorders
34%

Conditions affecting emotional state, including depression and bipolar disorder

Depression
Lower than avg (-1%)31%

A mood disorder causing persistent sadness and loss of interest in activities

US avg: 31.8%

↓ Fewer patients than average (-1%) — less common here

Diabetes
Lower than avg (-8%)26%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↓ Fewer patients than average (-8%) — less common here

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 2016

    Tufts University School of Medicine

  2. Board certified · May 8, 2022

    Self-reported via NPPES

  3. 10 years in practice

    Established

Colon & Rectal SurgeryAllopathic & Osteopathic Physicians

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Taxonomy: 208C00000X

Education & Training

Tufts University School of Medicine (Class of 2016)

Virtual Colon & Rectal Surgery Care With Joseph Dominic Mack

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Joseph Dominic Mack for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Portland required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Joseph Dominic Mack

Dr. Mack is listed as active in the NPI registry with telehealth listed in Portland, ME. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (207) 662-0111.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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