MR. SAJAL KUMAR TIWARY
NPI 1699230169
Internal Medicine - Infectious Disease in Seattle, WA

Q: What is Sajal Tiwary's NPI number?

The NPI number for Sajal Tiwary is 1699230169. It was assigned to this individual provider in the NPPES registry on February 8, 2019.

Q: What is Sajal Tiwary's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Q: When was this NPI record last updated?

The NPPES record for Sajal Tiwary was last updated on June 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.

Active since February 08, 2019PECOS Enrolled

1959 NE PACIFIC STREET BOX 356423, SEATTLE, WA 98195(206) 598-3300 Get Directions Write a Review

NPPES record last updated: June 15, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 15, 2025, Jul 5, 2022, May 3, 2022 and 1 more (4 updates tracked since 2019).

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About Mr. Sajal Kumar Tiwary NPPES

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

MR. SAJAL KUMAR TIWARY (NPI 1699230169) is an individual infectious disease provider in Seattle, Washington, licensed in Washington (MDRE.ML.61674596) and active in the NPI registry since February 2019. He is enrolled in Medicare PECOS and maintains a secondary practice location in Saint Louis.

NPPES Registry Identity

NPI1699230169

Entity TypeIndividualMale

Primary Taxonomy207RI0200X

Provider Legal NameMR. SAJAL KUMAR TIWARY

Location Address1959 NE PACIFIC STREET BOX 356423Seattle, WA 98195-1003

Mailing Address660 S Euclid Ave, Cb 8121Saint Louis, MO 63110 · (314) 362-8074

Phone(206) 598-3300

Sole ProprietorNo

Enumeration DateFebruary 8, 2019

Last NPPES UpdateJune 15, 20254 updates tracked since enumeration

NPPES CertifiedJune 15, 2025

✔ NPI 1699230169 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RI0200X

License✔ Licensed in WA · MDRE.ML.61674596

Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Also ListedInternal MedicineTaxonomy 207R00000X · License 1699230169 (MO)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1959 NE PACIFIC STREET BOX 356423, Seattle, WA 98195

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Secondary Practice Location 1

Location 11 Barnes Jewish Hospital PlzSaint Louis, MO 63110-1003 · Phone (314) 747-3000

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Sajal Kumar Tiwary is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 98195 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

$143.76 typical visit price

range $63.67 – $189.37

Typical copayment $35.94 (range $15.91 – $47.34)

Most-billed visit code 99204

Established Patient

$111.00 typical visit price

range $21.12 – $155.00

Typical copayment $27.75 (range $5.28 – $38.75)

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

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

DR. CYNTHIA KAY WALLACE MD

Internal Medicine (Infectious Disease)

1959 NE PACIFIC STREET BOX 356423
SEATTLE, WA 98195

King County (919) 259-4678

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 Sajal Tiwary's NPI number?

The NPI number for Sajal Tiwary is 1699230169. It was assigned to this individual provider in the NPPES registry on February 8, 2019.

Where is Sajal Tiwary located?

Sajal Tiwary practices at 1959 NE Pacific Street Box 356423, Seattle, WA 98195. The listed phone number is (206) 598-3300.

What is Sajal Tiwary's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Sajal Tiwary enrolled in Medicare?

Yes. Sajal Tiwary is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Sajal Tiwary was last updated on June 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.