Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ryan Davis Christensen, M.D.

Ophthalmology Physician in Lenexa, KS · enumerated 2007 · practices at Retina Associates LLC.

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

National Provider Identifier

1790999654

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Registry record

Entity type Individual (Type 1)

Name Dr. Ryan Davis Christensen

Credential M.D.

Sex Male

Practice address 8600 Quivira Rd Ste 100, Lenexa, KS, 66215

Phone (913) 831-7400

Fax (913) 831-7409

Enumeration date May 10, 2007

Last updated in NPPES Sep 1, 2022

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 2008019692 (MO) Secondary

207WX0107X Retina Specialist (Ophthalmology) Physician Allopathic & Osteopathic Physicians · License 0433224 (KS) Secondary

207WX0107X Retina Specialist (Ophthalmology) Physician Allopathic & Osteopathic Physicians · License 2008019692 (MO) Secondary

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 04-33224 (KS) 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
200565000C	Medicaid	KS	-
209102607	Medicaid	MO	-
P00847861	Other	KS	RAILROAD MEDICARE

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 is the NPI number for Ryan Christensen?

The National Provider Identifier (NPI) for Ryan Christensen is 1790999654, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ryan Christensen practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-09-01.