Dr. David S Geiser , PhD
Clinical Neuropsychologist • Eustis, FL
24931 Saranac Ct
Eustis, FL 327368911
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
-
Dr. David Geiser is listed in NPPES under Clinical Neuropsychologist.
-
NPI assigned on November 6, 2007; this date does not establish years in practice.
-
Published CMS data list 236 Original Medicare Part B services in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Published rows only; this is not a quality measure.
-
Published Part B service records, 2024:
- 90837 — Psychotherapy: 236 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2023 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2024). CPT notice
See the full table · Guide: How to read Medicare Part B data
-
Fewer Medicare Part B services than 80% of clinicians listed under Clinical Neuropsychologist in Florida (2024, 118 clinicians with data). Median for this group: 616. Middle half: 309 to 1,156.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Billing and prescribing volume is not a quality rating.
-
Medicare Part B services went from 787 in 2020 to 236 in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2020–2024.
Practice Location & Contact Primary Location
24931 Saranac Ct
Eustis, FL 327368911
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File
1993
What Public CMS Data Show
Clinical Neuropsychologist: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
17 people with Original Medicare in 2024
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2024.
Medicare-allowed amount
About $35,218 in 2024
The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.
Paid by Medicare
About $27,081 in 2024
The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.
Years since graduation
33 years (graduated 1993)
CMS Doctors and Clinicians data list 1993 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File.
NPI first issued
2007
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Accepts Medicare assignment
CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.
With Original Medicare, you usually pay only your deductible and coinsurance, and the office sends the claim to Medicare for you.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”
Telehealth (some services)
Recent Medicare claims show this clinician provided some services by telehealth, such as a video or phone visit.
You may be able to have some visits without going to the office. Ask which visits can be done by telehealth.
What this does not show: Telehealth (some services)
It does not mean all services are offered by telehealth, or that telehealth is covered by your plan.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Can order Medicare-covered services
CMS lists Dr. Geiser as eligible to order or refer durable medical equipment (DME) for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Eustis and Florida
Billing and prescribing volume is not a quality rating.
Medicare Part B services
Fewer Medicare Part B services than 80% of clinicians listed under Clinical Neuropsychologist in Florida (2024, 118 clinicians with data). Median for this group: 616. Middle half: 309 to 1,156.
Too few clinicians listed under Clinical Neuropsychologist in Eustis have Medicare Part B data for 2024 to compare.
Medicare-allowed amount
A lower Medicare-allowed amount than 60% of clinicians listed under Clinical Neuropsychologist in Florida (2024, 118 clinicians with data). Median for this group: $40,991. Middle half: $21,824 to $79,873.
Too few clinicians listed under Clinical Neuropsychologist in Eustis have Medicare Part B data for 2024 to compare.
Paid by Medicare
A lower Medicare payment amount than 60% of clinicians listed under Clinical Neuropsychologist in Florida (2024, 118 clinicians with data). Median for this group: $31,953. Middle half: $17,315 to $61,977.
Too few clinicians listed under Clinical Neuropsychologist in Eustis have Medicare Part B data for 2024 to compare.
1 active clinicians are listed under Clinical Neuropsychologist with a practice address in Eustis, FL (372 in Florida).
Addresses are self-reported to NPPES and may be out of date.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
-
Medicare Part B services
Medicare Part B services decreased 70% from 787 in 2020 to 236 in 2024.
- 2020: 787
- 2021: 971
- 2022: 400
- 2023: 338
- 2024: 236
-
Medicare-allowed amount
Medicare-allowed amount decreased 46% from $64,979 in 2020 to $35,218 in 2024.
- 2020: $64,979
- 2021: $84,860
- 2022: $47,297
- 2023: $41,829
- 2024: $35,218
-
Paid by Medicare
Paid by Medicare decreased 45% from $49,606 in 2020 to $27,081 in 2024.
- 2020: $49,606
- 2021: $66,521
- 2022: $36,745
- 2023: $31,279
- 2024: $27,081
Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2017–2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
90837
Psychotherapy, 1 hour
|
236 | 15 | $200.00 | $149.23 |
Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2024-02-27NUCC Taxonomy Code: 103G00000X
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
Additional State Medicaid & Healthcare Payer Identifiers
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSSources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 24931 SARANAC CT, EUSTIS, FL 327368911 (Tel: 2398222915)
Registered at 24931 SARANAC CT, EUSTIS, FL 327368911 (Tel: 2398222915)
NPI status registered as active in NPPES database
Registered at 1950 COURTNEY DR, STE 2, FORT MYERS, FL 339019034 (Tel: 2392783231)
Registered at 1950 COURTNEY DR, STE 2, FORT MYERS, FL 339019034 (Tel: 2392783231)
Recorded as DAVID GEISER, PH.D.
Clinical Neuropsychologist (license number reported to NPPES: FL PY5048)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Mailing Address
24931 Saranac Ct
Eustis, FL 327368911
Phone: 2398222915