Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Douglas J Sprung, M.D.

Internal Medicine Physician in Altamonte Springs, FL · enumerated 2006 · practices at The Gastroenterology Group.

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

National Provider Identifier

1821196064

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Registry record

Entity type Individual (Type 1)

Name Dr. Douglas J Sprung

Credential M.D.

Sex Male

Practice address Altamonte Springs, FL, 32714

Phone (407) 261-0000

Fax (407) 261-1000

Enumeration date Sep 20, 2006

Last updated in NPPES Dec 6, 2022

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

174400000X Specialist Other Service Providers · License ME0045358 (FL) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License ME 45358 (FL) Primary

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

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.

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Frequently asked questions

How do I verify Douglas Sprung's NPI record?

Cross-check NPI 1821196064 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1821196064 active?

Yes, as of the latest NPPES snapshot, NPI 1821196064 is active (record last updated 2022-12-06).

Other providers at this practice address

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The Gastroenterology Group Specialist · Altamonte Springs, FL NPI 1730213414

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-12-06.