Atif Zaman, MD

Gastroenterology Internal Medicine

Atif Zaman is a Gastroenterology Internal Medicine specialist based in Portland, OR with over 35 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(503) 494-4373Portland, OR
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Atif Zaman, MD has practiced internal medicine for 35+ years, working in group practice. A Tufts University School of Medicine graduate since 1991, he brings 35+ years of experience. He regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data). CMS MIPS quality score: 97.83/100 (2023).

At a glance

  • Uses generic medications more than 75% of reporting doctors in Oregon
  • Federal MIPS score higher than 64% of MIPS-scored doctors in Oregon
  • Virtual visits available — no app or travel required
1 of 104 Internal Medicine providers in ORSee all Internal Medicine in Portland35+ years experienceNPI since 2006

Older · 6892dNPPES updated 2007-07-10 · verify NPI on CMS · Verify license at Oregon Medical Board

Contact & Location

Practice Location

3181 Sw Sam Jackson Park Rd, Portland, OR 97239-3011

CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor has an average quality score compared to other doctors in Oregon, favors affordable generic drugs over brand-name ones.

MIPS Score

2023

97.83/100

Oregon avg: 89.5 · US avg: 83.6

Higher than most doctors nationally(+14.2 pts)

Average range among MIPS-scored doctors in Oregon

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

Generic Rx

↑ Higher = better

91.5%

Oregon avg: 83.7 · US avg: 82.8

Higher than most doctors nationally(+8.7 pts)

Better than 75% of reporting doctors in Oregon

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

132

Unique beneficiaries

Standard volume

Prescription Recipients

144

Patients prescribed

Prescriptions Written

927

Total claims

Total Medicare drug cost: $200k

Percentile rankings compared against 1,341 reporting peers in Oregon.

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 Arthritis.

Hypertension
Lower than avg (-15%)55%

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

US avg: 70.2%

↓ Fewer patients than average (-15%) — less common here

High Cholesterol
Lower than avg (-28%)42%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↓ Fewer patients than average (-28%) — less common here

Arthritis
Lower than avg (-15%)34%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-15%) — less common here

Diabetes
Lower than avg (-3%)31%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↓ Fewer patients than average (-3%) — less common here

Chronic Kidney Disease
Lower than avg (-2%)28%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

US avg: 29.6%

↓ Fewer patients than average (-2%) — less common here

Osteoporosis
Higher than avg (+5%)23%

Weakened bones that are more prone to fractures, common in older adults

US avg: 18.1%

↑ More patients than average (+5%) — a focus area for this doctor

Mood Disorders
20%

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.

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Background & Specialty

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

Career Journey
  1. Graduated medical school · 1991

    Tufts University School of Medicine

  2. 35 years in practice

    Senior practitioner

Internal MedicineAllopathic & Osteopathic Physicians

Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.

Taxonomy: 207RG0100X

Education & Training

Tufts University School of Medicine (Class of 1991)

Virtual Internal Medicine Care With Atif Zaman

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

Schedule a virtual visit with Atif Zaman for blood pressure monitoring, cholesterol management, arthritis follow-ups — 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 Atif Zaman

Dr. Zaman is listed as active in the NPI registry with telehealth listed in Portland, OR. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (503) 494-4373.

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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Claim Profile

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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