DR. LONDON BUTTERFIELD
NPI 1326396755
Psychologist in Clearwater, FL

Active since August 15, 2012PECOS EnrolledAccepts Medicare Assignment
1901 ULMERTON RD STE 625-308, CLEARWATER, FL 33762(727) 300-1920 Get Directions Write a Review

NPPES record last updated: November 12, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 12, 2024, Sep 27, 2024 (2 updates tracked since 2024).

About Dr. London Butterfield NPPES

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

DR. LONDON BUTTERFIELD (NPI 1326396755) is an individual psychologist in Clearwater, Florida and active in the NPI registry since August 2012. She is enrolled in Medicare PECOS and is a graduate of University Of South Florida College Of Medicine (2013).

NPPES Registry Identity

NPI1326396755
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. LONDON BUTTERFIELD
Location Address1901 ULMERTON RD STE 625-308Clearwater, FL 33762-2300
Mailing Address1901 Ulmerton Rd Ste 625-308Clearwater, FL 33762-2300 · (727) 300-1920
Sole ProprietorNo
Medical School CMSUniversity Of South Florida College Of MedicineGraduated 2013
Enumeration DateAugust 15, 2012
Last NPPES UpdateNovember 12, 20242 updates tracked since enumeration
NPPES CertifiedNovember 12, 2024
✔ NPI 1326396755 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
Also ListedClinical NeuropsychologistTaxonomy 103G00000X
1901 ULMERTON RD STE 625-308, Clearwater, FL 33762

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. London Butterfield 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 ID4688966468
PECOS Enrollment IDI20160714002371
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.

Medicare Billing Reassignments

3

Medicare enrollment records show London Butterfield reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Psychologist
1901 ULMERTON RD, STE 625-308
Clearwater, FL 33762
  • Reassigned Medicare billing, Florida enrollment
General Practice
2995 DREW ST FL 2
Clearwater, FL 33759
  • Reassigned Medicare billing, Florida enrollment
  • 2,009 clinicians in this Medicare group
Psychologist
10269 CASSIA GLEN DR
San Diego, CA 92127
  • Reassigned Medicare billing, Florida enrollment
  • 4 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

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.

Administration of psychological or neuropsychological test by technician, each additional 30 minutes 96139
This service involves a technician administering additional psychological or neuropsychological testing. Each session lasts for an extra 30 minutes. These tests assess cognitive abilities, such as memory, attention, and problem-solving skills, to aid in diagnosing or monitoring mental health conditions.
314 services44 patients
Evaluation of neuropsychological test, each additional hour 96133
This service involves further evaluation of your neuropsychological test results beyond the initial hour. It helps to understand your cognitive functioning better, focusing on areas like memory, attention, and problem-solving skills.
116 services47 patients
Evaluation of neuropsychological test, first hour 96132
An evaluation of neuropsychological tests is a process to assess your brain's function. It involves tasks designed to measure cognitive abilities such as memory, attention, problem-solving, and language skills. The first hour involves initial testing and observation.
51 services47 patients
Exam of neurobehavioral status, first hour 96116
An exam of neurobehavioral status is a medical procedure that evaluates your brain's functions. This includes assessing your cognitive abilities, emotional responses, and behavioral patterns. The first hour of the exam is typically dedicated to this initial evaluation.
49 services49 patients
Administration of psychological or neuropsychological test by technician, first 30 minutes 96138
This procedure involves a trained technician administering a psychological or neuropsychological test. It's a process that assesses your mental function and behavior. The initial session will last 30 minutes. The aim is to understand your cognitive abilities better.
48 services44 patients
Exam of neurobehavioral status, each additional hour 96121
This procedure involves a thorough evaluation of your neurobehavioral status, focusing on brain functions that affect behavior and cognition. It's extended for an additional hour to gather more detailed information about your neurological health.
23 services21 patients

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is London Butterfield's NPI number?

The NPI number for London Butterfield is 1326396755. It was assigned to this individual provider in the NPPES registry on August 15, 2012.

Where is London Butterfield located?

London Butterfield practices at 1901 Ulmerton Rd Ste 625-308, Clearwater, FL 33762. The listed phone number is (727) 300-1920.

What is London Butterfield's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is London Butterfield enrolled in Medicare?

Yes. London Butterfield is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for London Butterfield's services?

According to the CMS Revalidation Reassignment List (October 2026 release), London Butterfield reassigns Medicare benefits to 3 organizations: Butterfield Neuropsychology, PLLC (Clearwater, FL), Baycare Medical Group, Inc. (Clearwater, FL) and Minder Neuropsychological Services Inc. (San Diego, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for London Butterfield's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does London Butterfield accept?

Health plans from Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Oscar Health Maintenance Organization of Florida and UnitedHealthcare list London Butterfield as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for London Butterfield was last updated on November 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months 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.