Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Bala Arul Vinayak Krishnan, M.D., M.S.

Anesthesiology Physician in Portland, OR · enumerated 2008.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1033375092

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Registry record

Entity type Individual (Type 1)

Name Dr. Bala Arul Vinayak Krishnan

Credential M.D., M.S.

Sex Male

Practice address 707 Sw Washington St, Suite 700, Portland, OR, 97205

Phone (503) 299-9906

Fax (503) 225-9002

Enumeration date Jul 30, 2008

Last updated in NPPES Nov 1, 2017

Taxonomy & licenses

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License MD159815 (OR) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
500649107	Medicaid	OR	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Bala Arul Krishnan?

Bala Arul Krishnan is registered in NPPES with the primary taxonomy of Anesthesiology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-11-01.