Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Cynthia S. Boynton, M.D.

Internal Medicine Physician in Lansing, MI · enumerated 2006.

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

National Provider Identifier

1013969930

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Registry record

Entity type Individual (Type 1)

Name Dr. Cynthia S. Boynton

Credential M.D.

Sex Female

Practice address 1540 Lake Lansing Rd, Ste 201, Lansing, MI, 48912

Phone (517) 913-3900

Fax (517) 913-3901

Enumeration date May 17, 2006

Last updated in NPPES Sep 22, 2009

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 4301057923 (MI) 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
200000001279	Other	MI	PHP
383267121	Other	MI	PPOM
4501208	Other	MI	AETNA
1001278	Other	MI	MCLAREN HEALTH PLAN-COMMERCIAL
381916	Other	MI	PHCS
1001278	Other	MI	MCLAREN HEALTH PLAN-MEDICAID
0M21440013	Other	MI	MEDICARE PLUS BLUE
4848131	Medicaid	MI	-
1001278	Other	MI	MCLAREN HEALTH ADVANTAGE
110184723	Other	MI	RAILROAD MEDICARE
4083558	Medicaid	MI	-
1103308831	Other	MI	BCBS/BCN
200000001279	Other	MI	PHP FAMILYCARE

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 Cynthia Boynton?

The National Provider Identifier (NPI) for Cynthia Boynton is 1013969930, a Type 1 (individual) record in the CMS NPPES registry.

Where does Cynthia Boynton practice?

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

Other providers at this practice address

Browse all →

Robert Wolf Diagnostic Radiology Physician · Lansing, MI NPI 1003805904 Melissa Richardson Surgery Physician · Lansing, MI NPI 1578544789 Kenneth Rudman Interventional Pain Medicine Physician · Lansing, MI NPI 1558322214 Annette Spindler Adult Health Nurse Practitioner · Lansing, MI NPI 1689635351 Sankar Nair Interventional Pain Medicine Physician · Lansing, MI NPI 1356302038 Lyle Mindlin Diagnostic Radiology Physician · Lansing, MI NPI 1508822107 Knight Drugs-Lansing Inc Health Maintenance Organization · Lansing, MI NPI 1437100617 Michael Carella Endocrinology, Diabetes & Metabolism Physician · Lansing, MI NPI 1790737542

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-09-22.