Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Nathaniel A Keller, MD

Individual provider Psychiatry Physician · NPI 1144411844

Nathaniel A Keller, MD is a Psychiatry in Orlando, Florida. Qualified in 1996, 30 years ago. Practices with Orlando Health Medical Group Inc, a 2,137-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Florida.

Years since qualifying
30
Licensed in
FL
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

52 W Underwood St
Orlando, FL 32806-1110
Phone: (407) 262-2220
Fax: (407) 834-5011
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence ME87905 (FL)

Record details

NPI number1144411844
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 7, 2007
Last updated in NPPESOctober 29, 2020
Certification dateOctober 29, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Orlando Health Medical Group Inc — 2137 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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