Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

James Speiser, M.D.

Internal Medicine Physician in Saint Louis, MO · enumerated 2005.

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

National Provider Identifier

1841272804

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Registry record

Entity type Individual (Type 1)

Name James Speiser

Credential M.D.

Sex Male

Practice address 12345 W Bend Dr, Suite 300, Saint Louis, MO, 63128

Phone (314) 849-6000

Fax (314) 849-1417

Enumeration date Nov 16, 2005

Last updated in NPPES Oct 1, 2012

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License R5A65 (MO) Primary

207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians · License R5A65 (MO) Secondary

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
0400009	Other	-	UHC MEDICARE COMPLETE
0404109	Other	MO	UHC PCP
127521	Other	MO	GHP PCP
A10037	Other	MO	MERCY
105421	Other	MO	BCBS
165271	Other	MO	GHP RHEUMO SPEC
122951	Other	MO	HEALTHLINK
000000010037	Other	MO	ESSENCE PCP
000000010714	Other	MO	ESSENCE RHEUMA
3200009	Other	MO	UHC RHEUM SPEC
4135004	Other	MO	AETNA

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

What is the NPI number for James Speiser?

The National Provider Identifier (NPI) for James Speiser is 1841272804, a Type 1 (individual) record in the CMS NPPES registry.

Where does James Speiser practice?

The practice location on file with NPPES is in Saint Louis, MO. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Anita Schnapp Obstetrics & Gynecology Physician · Saint Louis, MO NPI 1750380655 Robert Curtin Internal Medicine Physician · Saint Louis, MO NPI 1538169495 Richard Gahn Interventional Pain Medicine Physician · Saint Louis, MO NPI 1336135417 Robert Oertli Internal Medicine Physician · Saint Louis, MO NPI 1639150378 Donald Richardson Internal Medicine Physician · Saint Louis, MO NPI 1700867215 Robert Mccoy Certified Registered Nurse Anesthetist · Saint Louis, MO NPI 1225010259 Renee Amato Physician Assistant · Saint Louis, MO NPI 1922085356 Salim Hawatmeh Urology Physician · Saint Louis, MO NPI 1184696627

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-10-01.