Garrett Michael Nash, M.D.

Colon & Rectal Surgery

Garrett Michael Nash is a Colon & Rectal Surgery specialist based in New York, NY with over 28 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

Also practices: GENERAL SURGERY

(212) 639-2000New York, NY
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Garrett Michael Nash, M.D. runs an independent colon & rectal surgery specialist practice in New York, NY. He graduated from Columbia University College of Physicians and Surgeons in 1998 and has 28+ years of clinical experience. Among his Medicare patients, common conditions include cancer, high cholesterol, and hypertension (per CMS data). CMS MIPS quality score: 90.76/100 (2023).

At a glance

  • Federal MIPS score higher than 47% of MIPS-scored doctors in New York
  • Virtual visits available — no app or travel required
1 of 42 Colon & Rectal Surgery providers in NYSee all Colon & Rectal Surgery in New York28+ years experienceNPI since 2008

Older · 6554dNPPES updated 2008-06-12 · verify NPI on CMS · Verify license at New York State Board for Medicine

Contact & Location

Practice Location

1275 York Ave Mskcc, Colorectal Surgery Service, New York, NY 10065-6007

CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor has an average quality score compared to other doctors in New York.

MIPS Score

2023

90.76/100

New York avg: 87 · US avg: 83.6

Higher than most doctors nationally(+7.2 pts)

Average range among MIPS-scored doctors in New York

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

Medicare Patients

150

Unique beneficiaries

Standard volume

Prescription Recipients

26

Patients prescribed

Prescriptions Written

40

Total claims

Total Medicare drug cost: $324

Percentile rankings compared against 8,064 reporting peers in New York.

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 Cancer, High Cholesterol, and Hypertension.

Cancer
Higher than avg (+54%)75%

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

US avg: 20.8%

↑ More patients than average (+54%) — a focus area for this doctor

High Cholesterol
Higher than avg (+1%)71%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

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

Hypertension
Lower than avg (-7%)63%

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

US avg: 70.2%

↓ Fewer patients than average (-7%) — less common here

Arthritis
Lower than avg (-6%)43%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-6%) — less common here

Anxiety Disorders
Higher than avg (+3%)37%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

↑ More patients than average (+3%) — a focus area for this doctor

Diabetes
Lower than avg (-7%)27%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↓ Fewer patients than average (-7%) — less common here

Ischemic Heart Disease
Lower than avg (-7%)25%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

US avg: 31.7%

↓ Fewer patients than average (-7%) — less common here

Mood Disorders
25%

Conditions affecting emotional state, including depression and bipolar disorder

GeneralBehavioralNational avg

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

Industry Payment Transparency

$112 received from industry

2 transactions reported in 2018 ·Low tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2018, attributed to Garrett Michael Nash's NPI.

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Background & Specialty

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

Career Journey
  1. Graduated medical school · 1998

    Columbia University Vagelos College of Physicians and Surgeons

  2. 28 years in practice

    Experienced

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

Columbia University College of Physicians and Surgeons (Class of 1998)

Virtual Colon & Rectal Surgery Care With Garrett Michael Nash

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

Schedule a virtual visit with Garrett Michael Nash for follow-up consultations, cholesterol management, blood pressure monitoring — no travel to New York 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 Garrett Michael Nash

Dr. Nash is listed as active in the NPI registry with telehealth listed in New York, NY. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (212) 639-2000.

Verified across 6 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2018 · 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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