ABIGAIL K. ALT M.D. – NPI #1780818443
Internal Medicine

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.

Health Care Provider Taxonomy Code for Internal Medicine

ABIGAIL ALT is a physician located in SEATTLE, WA. NPPES has assigned the NPI number 1780818443 to ABIGAIL ALT on May 11, 2009. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 207R00000X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine.

The NPI profile was last updated on Feb 03, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for ABIGAIL ALT below.

NPI Profile for
ABIGAIL K. ALT

NPI Number
1780818443
Enumeration Date

(more than 17 years ago)
Entity Type
Type-1  Individual (Female)
Legal Name
ABIGAIL K. ALT
Credentials
M.D.
Primary location
747 BROADWAY
SEATTLE, WA 98122-4379
Phone: (206) 386-6000 Fax:
Mailing address
1037 NE 65TH ST # 81134
SEATTLE, WA 98115-6655
Phone: Fax:
Sole Proprietor
No
Updated
Certification Date
Feb 03, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207R00000X
- Internal Medicine (Primary)		 NY 264568

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Additional Information

Education
DREXEL UNIVERSITY COLLEGE OF MEDICINE - Graduated 2009
Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
ABIGAIL ALT is affiliated with the following medical group(s):
  • HOSPITAL
    • SWEDISH MEDICAL CENTER
      747 BROADWAY
      SEATTLE, WA 98122
    • SWEDISH MEDICAL CENTER / CHERRY HILL
      500 17TH AVENUE
      SEATTLE, WA 98122

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Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.