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MASUMA CHOWDHURY M.D.
NPI 1861572604
Internal Medicine in Hillsboro, OR

Active since October 16, 2006PECOS EnrolledAccepts Medicare Assignment
364 SE 8TH AVE, SUITE 301, HILLSBORO, OR 97123(503) 681-4233(503) 681-4234 Get Directions Write a Review

NPPES record last updated: May 19, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Masuma Chowdhury M.d. NPPES

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

MASUMA CHOWDHURY M.D. (NPI 1861572604) is an individual internal medicine provider in Hillsboro, Oregon, licensed in Oregon (MD26859) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1994).

NPPES Registry Identity

NPI1861572604
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMASUMA CHOWDHURYCredential: M.D.
Location Address364 SE 8TH AVE, SUITE 301Hillsboro, OR 97123-4253
Mailing Address364 Se 8th Ave, Suite 301Hillsboro, OR 97123-4253 · (503) 681-4233 · Fax (503) 681-4234
Phone(503) 681-4233
Fax(503) 681-4234
Sole ProprietorNo
Medical School CMSOtherGraduated 1994
Enumeration DateOctober 16, 2006
Last NPPES UpdateMay 19, 2008
✔ NPI 1861572604 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OR · MD26859
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.
364 SE 8TH AVE, Hillsboro, OR 97123
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Other Identifiers 3

Medicare UPINI71884
Medicaid278494OR
Medicare PIN137201

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Kaiser Permanente.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

Masuma Chowdhury M.d. 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 ID5294831228
PECOS Enrollment IDI20070508000112
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97123 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
$134.16 typical visit price
range $58.99 – $176.88
Typical copayment $33.54 (range $14.74 – $44.22)
Most-billed visit code 99204
Established Patient
$103.51 typical visit price
range $19.32 – $144.79
Typical copayment $25.87 (range $4.83 – $36.19)
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.

Other Providers at the Same Location NPPES 18

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

JULIE ANN OLDS MD
Obstetrics & Gynecology
364 SE 8TH AVE, SUITE 205
HILLSBORO, OR 97123
Washington County (503) 681-1690
MOHAMMED A TAHER MD
Internal Medicine
364 SE 8TH AVE, SUITE 301
HILLSBORO, OR 97123
Washington County (503) 681-4233
DR. PATRICK J O'LEARY M.D.
Surgery
364 SE 8TH AVE, SUITE 301A
HILLSBORO, OR 97123
Washington County (503) 681-4310
DR. MICHAEL GREGORY DOORLY MD, MS
Colon & Rectal Surgery
364 SE 8TH AVE, SUITE 301A
HILLSBORO, OR 97123
Washington County (503) 681-4310
MISS JULIA ELIZABETH SHANNON WHNP
Nurse Practitioner (Women's Health)
364 SE 8TH AVE, SUITE 205
HILLSBORO, OR 97123
Washington County (503) 681-4145
TUALITY HEALTHCARE
Clinic/Center (Infusion Therapy)
364 SE 8TH AVE, SUITE 105
HILLSBORO, OR 97123
Washington County (503) 681-1064
DR. GERALD E GIBBS M.D.
Internal Medicine (Hematology & Oncology)
364 SE 8TH AVE, SUITE 108-A
HILLSBORO, OR 97123
Washington County (503) 640-3687
DR. DANIEL K FRIEDMAN M.D.
Psychiatry & Neurology (Neurology)
364 SE 8TH AVE, SUITE 101
HILLSBORO, OR 97123
Washington County (503) 681-0816

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Masuma Chowdhury's NPI number?

The NPI number for Masuma Chowdhury is 1861572604. It was assigned to this individual provider in the NPPES registry on October 16, 2006.

Where is Masuma Chowdhury located?

Masuma Chowdhury practices at 364 SE 8th Ave Suite 301, Hillsboro, OR 97123. The listed phone number is (503) 681-4233.

What is Masuma Chowdhury's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Masuma Chowdhury enrolled in Medicare?

Yes. Masuma Chowdhury is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Masuma Chowdhury accept?

Health plans from Kaiser Permanente list Masuma Chowdhury as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Masuma Chowdhury was last updated on May 19, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.