NATHANIEL A KELLER M.D.
NPI 1144411844
Psychiatry & Neurology - Psychiatry in Orlando, FL

Q: What is Nathaniel Keller's NPI number?

The NPI number for Nathaniel Keller is 1144411844. It was assigned to this individual provider in the NPPES registry on August 7, 2007.

Q: What is Nathaniel Keller's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Nathaniel Keller was last updated on October 29, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 07, 2007PECOS EnrolledAccepts Medicare Assignment

52 W UNDERWOOD ST, ORLANDO, FL 32806(407) 262-2220(407) 834-5011 Get Directions Write a Review

NPPES record last updated: October 29, 2020. Verified against the NPPES registry weekly; last sync: October 04, 2026.

On this page

About Nathaniel A Keller M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NATHANIEL A KELLER M.D. (NPI 1144411844) is an individual psychiatry provider in Orlando, Florida, licensed in Florida (ME87905) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with Orlando Health, and is a graduate of Other (1996).

NPPES Registry Identity

NPI1144411844

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameNATHANIEL A KELLERCredential: M.D.

Location Address52 W UNDERWOOD STOrlando, FL 32806-1110

Mailing Address52 W Underwood StOrlando, FL 32806-1110 · (407) 262-2220 · Fax (407) 834-5011

Phone(407) 262-2220

Fax(407) 834-5011

Sole ProprietorNo

Medical School CMSOtherGraduated 1996

Enumeration DateAugust 7, 2007

Last NPPES UpdateOctober 29, 2020

NPPES CertifiedOctober 29, 2020

✔ NPI 1144411844 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in FL · ME87905

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

52 W UNDERWOOD ST, Orlando, FL 32806

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Other Identifiers 1

Medicaid016613800FL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next, AvMed, Florida Blue (BlueCross BlueShield FL) and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nathaniel A Keller M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6406810043

PECOS Enrollment IDI20041116000311

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

227 services72 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

170 services61 patients

Psychotherapy with evaluation and management visit, 30 minutes 90833

Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.

153 services56 patients

Psychiatric diagnostic evaluation with medical services 90792

A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.

127 services120 patients

Psychiatric diagnostic evaluation with medical services 90792

60 services55 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Orlando Health

Acute Care Hospitals · Orlando, FL

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100006

Location52 W Underwood StOrlando, FL 32806 · Orange County

Emergency services Birthing friendly

Orlando Health-Health Central Hospital

Acute Care Hospitals · Ocoee, FL

2/5 CMS rating

OwnershipGovernment - State

CMS Certification Number100030

Location10000 W Colonial DrOcoee, FL 34761 · Orange County

Emergency services

Orlando Health South Lake Hospital

Acute Care Hospitals · Clermont, FL

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number100051

Location1900 Don Wickham DrClermont, FL 34711 · Lake County

Birthing friendly

Orlando Health St Cloud Hospital

Acute Care Hospitals · Saint Cloud, FL

2/5 CMS rating

OwnershipProprietary

CMS Certification Number100302

Location2906 17th StreetSaint Cloud, FL 34769 · Osceola County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32806 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$171.84 typical visit price

range $56.00 – $171.84

Typical copayment $42.96 (range $14.00 – $42.96)

Most-billed visit code 99205

Established Patient

$70.04 typical visit price

range $17.57 – $139.16

Typical copayment $17.51 (range $4.39 – $34.79)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MANDIP KAUR ARNP

Nurse Practitioner (Psychiatric/Mental Health)