Independent US Healthcare Provider Directory & Public Medical Database Patient Guides

Katie Knight Waters , PA-C

Physician Assistant โ€ข Jacksonville, FL

Active NPI 1184273336 Individual Practitioner Male Practitioner Accepts Medicare assignment
Practice location in NPPES

4500 San Pablo Rd S
Jacksonville, FL 322241865

Call 9049532000 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

4500 San Pablo Rd S

Jacksonville, FL 322241865

Telephone 9049532000
Organization at the Same NPPES Address or Phone
Mayo Clinic Jacksonville Facility NPI 1790772317

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

NPPES lists 2 distinct additional practice-address records in Jacksonville, FL; Neptune Beach, FL. See the list

Source: CMS NPPES NPI Registry, practice location records; release date unavailable.

CMS Doctors and Clinicians lists 1 group name: Mayo Clinic Jacksonville. See the list

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026

Graduation Year

2019

Medicare patients

235 people with Original Medicare in 2021

Different Original Medicare patients in 2021; counts below 11 are hidden; this does not show availability or quality.

Source: CMS, Medicare Physician & Other Practitioners โ€“ by Provider, 2021.

Medicare-allowed amount

About $29,704 in 2021

The total amount Medicare approved for these services in 2021. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.

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 โ€“ by Provider and Service, 2021.

Paid by Medicare

About $22,753 in 2021

The part of the Medicare-allowed amount that Medicare itself paid in 2021, after patients' deductibles and coinsurance.

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 โ€“ by Provider and Service, 2021.

30-day fills

47 standardized 30-day fills in 2024

CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.

What this does not show: 30-day fills

It is not a count of patients and not a measure of quality.

Part D drug cost

$621 in 2024

The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.

What this does not show: Part D drug cost

A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.

Source: CMS, Medicare Part D Prescribers โ€“ by Provider and Drug, 2024.

Open Payments general payments, program year 2025

All general payments: $299.48 across 17 records.

By nature of payment

  • Food and Beverage: $299.48 across 17 records.

Reporting-company totals (3 largest of 12)

  • Novartis Pharmaceuticals Corporation: $62.44 across 4 records.
  • Incyte Corporation: $38.39 across 2 records.
  • Boehringer Ingelheim Pharmaceuticals, Inc.: $36.03 across 2 records.

A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.

See the full table

Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).

Guide: How to read an Open Payments record

Years since graduation

7 years (graduated 2019)

CMS Doctors and Clinicians data list 2019 as the year this clinician finished professional 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, CMS release of October 2, 2026.

NPI first issued

2019

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.

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, CMS release of October 2, 2026; Medicare.gov, โ€œDoes your provider accept Medicare as full payment?โ€

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians, CMS release of October 2, 2026.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Katie Waters has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Katie Waters as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

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.

Guide: What ordering and referring status means

Compared with the same specialty in Jacksonville and Florida

Billing and prescribing volume is not a quality rating.

Medicare Part D prescriptions

Fewer Part D prescriptions than 80% of clinicians listed under Physician Assistant in Jacksonville, FL (2024, 423 clinicians with data). Median for this group: 194. Middle half: 60 to 690.

Fewer Part D prescriptions than 80% of clinicians listed under Physician Assistant in Florida (2024, 4,888 clinicians with data). Median for this group: 270. Middle half: 78 to 824.

Part D drug cost

A lower Part D drug cost than 70% of clinicians listed under Physician Assistant in Jacksonville, FL (2024, 423 clinicians with data). Median for this group: $6,289. Middle half: $617 to $66,535.

A lower Part D drug cost than 75% of clinicians listed under Physician Assistant in Florida (2024, 4,888 clinicians with data). Median for this group: $5,195. Middle half: $699 to $69,841.

Medicare Part B

Comparisons use 2024 data. The latest CMS data for Katie Waters are from 2021.

890 active clinicians are listed under Physician Assistant with a practice address in Jacksonville, FL (10,554 in Florida).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Jacksonville

18.9% of these 890 clinicians have the CMS telehealth indicator.

58.3% of these 890 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Medicare Physician & Other Practitioners (2021), CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS release of October 2, 2026, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo ยท Report an error.

Pharma & Medical Device Financial Disclosures

Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments

Open Payments ยท Program Year 2025
Disclosure Year:

Program year 2025 (payments made January 1 โ€“ December 31, 2025): 17 records totaling $299.48.

Manufacturer Payment Nature Product Type Amount ($)
Novocure Inc.
Food and Beverage
Cash or cash equivalent
Optune Gio General $25.06
BeOne Medicines USA, Inc.
Food and Beverage
In-kind items and services
TEVIMBRA General $22.34
Boehringer Ingelheim Pharmaceuticals, Inc.
Food and Beverage
In-kind items and services
โ€” General $22.02
Iovance Biotherapeutics, Inc.
Food and Beverage
Cash or cash equivalent
Amtagvi General $20.79
Incyte Corporation
Food and Beverage
Cash or cash equivalent
JAKAFI General $19.92
Incyte Corporation
Food and Beverage
Cash or cash equivalent
JAKAFI General $18.47
AstraZeneca Pharmaceuticals LP
Food and Beverage
In-kind items and services
โ€” General $18.21
Novartis Pharmaceuticals Corporation
Food and Beverage
In-kind items and services
Fabhalta General $16.28
Stemline Therapeutics Inc.
Food and Beverage
In-kind items and services
Orserdu General $15.98
Novartis Pharmaceuticals Corporation
Food and Beverage
In-kind items and services
LUTATHERA General $15.98
Spectrum Pharmaceuticals Inc.
Food and Beverage
In-kind items and services
ROLVEDON General $15.89
Novartis Pharmaceuticals Corporation
Food and Beverage
In-kind items and services
LUTATHERA General $15.34
Eisai Inc.
Food and Beverage
In-kind items and services
Lenvima General $15.00
Novartis Pharmaceuticals Corporation
Food and Beverage
In-kind items and services
PLUVICTO General $14.84
EMD Serono, Inc.
Food and Beverage
Cash or cash equivalent
โ€” General $14.81
Pfizer Inc.
Food and Beverage
In-kind items and services
XTANDI General $14.54
Boehringer Ingelheim Pharmaceuticals, Inc.
Food and Beverage
In-kind items and services
โ€” General $14.01

Source: CMS Open Payments, program year 2025, released June 30, 2026.

Performed Procedures & Service Volume

Services billed to Original Medicare Part B in 2021.

CMS Part B ยท Data Year 2021
Reporting Year:

CPTยฎ is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2018โ€“2020 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 โ€“ by Provider and Service data, 2019โ€“2021; 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
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
99 99 $175.58 $95.89
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus
80 75 $70.00 $45.23
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
73 66 $189.66 $110.25
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
40 39 $147.73 $77.62
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
37 37 $252.92 $143.72
81002 Urinalysis, manual test
35 34 $15.00 $3.48

Source: CMS Part B by Provider and Service, 2021; services under 11 beneficiaries omitted by CMS. Privacy limits

Submitted charges are billed amounts, not a price quote for your visit.

Medicare Part D Prescribing Profile & Medications

Medicare Part D prescriptions filled, including refills, in 2024.

CMS Part D ยท Data Year 2024
Prescription Year:
Brand Name Generic Name Prescriptions Day Supply Total Cost Patients
Valacyclovir Valacyclovir Hcl 23 690 $555.59 โ€”
Sulfamethoxazole-Trimethoprim Sulfamethoxazole/Trimethoprim 20 659 $65.48 โ€”

Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2026-07-13
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

License # reported to NPPES FL PA9112252

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Florida Department of Health Medical Quality Assurance.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - PHYSICIAN ASSISTANT

Medicare Enrollment ID

I20191009001395

Enrollment State Jurisdiction

FL

PECOS Control ID

1759612567

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026

Mayo Clinic Jacksonville

4500 San Pablo Rd S, Jacksonville, FL 322241865

Phone: 9049532000

Secondary Practice Locations

700 3rd St Ste 302

Neptune Beach, FL 322665082

Phone: 9049973800

7015 A C Skinner Pkwy Ste 1

Jacksonville, FL 322566932

Phone: 9047397779

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

37 listed
Dr. Zaid Abdel Rahman , MD

Internal Medicine - Hematology

NPI 1003299330

Doctor of Medicine (M.D.)

Dr. Mohammed Ahmed , MD

Radiology - Diagnostic Radiology

NPI 1013335876

Doctor of Medicine (M.D.)

Dr. Violeta Alvarez Retamales , MD

Internal Medicine - Nephrology

NPI 1013401090

Doctor of Medicine (M.D.)

Ryan Asencios , PA-C

Physician Assistant

NPI 1003484437

Physician Assistant (Certified)

Melinda Barber , ARNP

Nurse Practitioner

NPI 1013358613

Advanced Registered Nurse Practitioner

NPI 1013273986

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

14 Historical Events
๐Ÿ“
Updated Practice Location July 13, 2026

Registered at 4500 SAN PABLO RD S, JACKSONVILLE, FL 322241865 (Tel: 9049532000)

๐Ÿ“
Updated Business Mailing Address July 13, 2026

Registered at PO BOX 860912, MINNEAPOLIS, MN 554860912

๐Ÿข
Secondary Practice Location Registered July 13, 2026

Additional practice office at 700 3rd St Ste 302, Neptune Beach, FL 322665082

๐Ÿข
Secondary Practice Location Registered July 13, 2026

Additional practice office at 7015 A C Skinner Pkwy Ste 1, Jacksonville, FL 322566932

๐Ÿ‘ค
Provider Name / Credentials Updated June 30, 2026

Recorded as KATIE WATERS, PA-C

๐Ÿ“
Updated Practice Location February 16, 2026

Registered at 7015 A C SKINNER PKWY STE 1, JACKSONVILLE, FL 322566932 (Tel: 9047397779)

๐Ÿ“
Updated Practice Location November 01, 2024

Registered at 5742 BOOTH RD STE A, JACKSONVILLE, FL 322075982 (Tel: 9047397779)

๐Ÿ“
Updated Business Mailing Address November 01, 2024

Registered at 7751 BELFORT PKWY STE 350, JACKSONVILLE, FL 322566951 (Tel: 9043637453)

โœ…
NPI Profile Active September 10, 2019

NPI status registered as active in NPPES database

๐Ÿ“
Practice Location (Initial Record) September 10, 2019

Registered at 1907 HIGHWAY 44 W, INVERNESS, FL 344533801 (Tel: 3523442273)

๐Ÿ“
Business Mailing Address (Initial Record) September 10, 2019

Registered at PO BOX 2066, LECANTO, FL 344602066

๐Ÿ‘ค
Provider Name / Credentials (Initial Record) September 10, 2019

Recorded as KATIE WATERS

๐ŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) September 10, 2019

Physician Assistant (license number reported to NPPES: FL PA9112252)

๐ŸŸข
Initial NPI Registration & Enumeration September 10, 2019

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1184273336
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 10, 2019
Last Update: July 13, 2026
Sole Proprietor: No

Other Physician Assistants in Jacksonville

All Physician Assistants in Jacksonville

Mailing Address

Po Box 860912

Minneapolis, MN 554860912

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.