What is Arnab Mitra's NPI number?

Arnab Mitra's National Provider Identifier (NPI) is 1003175464, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Arnab Mitra's specialty?

Arnab Mitra is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).

Where is Arnab Mitra located?

Arnab Mitra's practice location on file with NPPES is 3181 Sw Sam Jackson Park Rd # L461, Portland, OR 97239-3011.

What is Arnab Mitra's phone number?

The practice phone number listed in the NPPES registry for Arnab Mitra is (503) 494-7127.

Does Arnab Mitra accept Medicare?

Arnab Mitra is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Arnab Mitra's NPI active?

Yes — Arnab Mitra's NPI (1003175464) is active in the NPPES registry as of the last update on 2022-02-04.

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Arnab Mitra, M.D.

NPI 1003175464 · Gastroenterology Physician · Portland, OR

Arnab Mitra, M.D. is a Gastroenterology Physician provider in Portland, OR (NPI 1003175464).

Provider details

NPI number: 1003175464
Entity type: Individual
Primary specialty: Gastroenterology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: MD176770 (OR)

Practice location

3181 Sw Sam Jackson Park Rd # L461

Oregon Health and Science University

Portland, OR 97239-3011

Phone: (503) 494-7127

Street-level locationGet directions

More OR providers

Mailing address

Oregon Health and Science University, Gi Division

Portland, OR 97239-3098

Specialties & taxonomies

Gastroenterology PhysicianPrimary207RG0100XLicense MD176770 (OR)
Allopathic & Osteopathic Physicians
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care

Additional practice locations (2)

3485 S Bond Ave
Portland, OR 97239-4503
Phone: (503) 494-4373
3181 Sw Sam Jackson Park Rd
Portland, OR 97239-3011
Phone: (503) 494-8500

Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(68/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
14 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
3 documented practice locations
Medicare service volume (vs. specialty peers)28% of score
189 Medicare services, 2024 (ranked within specialty)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211	46	$17
Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215	40	$168
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	27	$122
Telephone Medical Discussion With Physician, 11-20 Minutes99442	25	$95
Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500	24

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Tacrolimus	151	35
Mycophenolate Mofetil	56	16
Spironolactone	35	—
Azathioprine	34	—
Pantoprazole Sodium	33	—
Furosemide	31	—
Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes	29	29

Enumerated: 2012-05-04
Last updated: 2022-02-04
Certified: 2020-05-08

Frequently asked questions

What is Arnab Mitra's NPI number?: Arnab Mitra's National Provider Identifier (NPI) is 1003175464, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Arnab Mitra's specialty?: Arnab Mitra is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
Where is Arnab Mitra located?: Arnab Mitra's practice location on file with NPPES is 3181 Sw Sam Jackson Park Rd # L461, Portland, OR 97239-3011.
What is Arnab Mitra's phone number?: The practice phone number listed in the NPPES registry for Arnab Mitra is (503) 494-7127.
Does Arnab Mitra accept Medicare?: Arnab Mitra is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Arnab Mitra's NPI active?: Yes — Arnab Mitra's NPI (1003175464) is active in the NPPES registry as of the last update on 2022-02-04.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211	46	$17
Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215	40	$168
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	27	$122
Telephone Medical Discussion With Physician, 11-20 Minutes99442	25	$95
Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500	24

Drug

Part D claims (2024)

Beneficiaries

Tacrolimus

151

Mycophenolate Mofetil

Spironolactone

—

Azathioprine

—

Pantoprazole Sodium

—

Furosemide

—

Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes

Provider details

Practice location

Mailing address

Specialties & taxonomies

Additional practice locations (2)

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Registry dates

Frequently asked questions

Specialties & taxonomies

Additional practice locations (2)

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)