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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. CATHERINE B. YOUSSEF M.D.
NPI 1306337936
Family Medicine in Altamonte Springs, FL

Active since May 18, 2018PECOS Enrolled
616 E ALTAMONTE DR STE 105, ALTAMONTE SPRINGS, FL 32701(321) 972-2599(321) 444-6771 Get Directions Write a Review

NPPES record last updated: October 27, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 27, 2026, Dec 12, 2025, May 23, 2025 and 2 more (5 updates tracked since 2018).

About Dr. Catherine B. Youssef M.d. NPPES

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

DR. CATHERINE B. YOUSSEF M.D. (NPI 1306337936) is an individual family medicine provider in Altamonte Springs, Florida, licensed in Florida (ME159975) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Tampa, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1306337936
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. CATHERINE B. YOUSSEFCredential: M.D.
Location Address616 E ALTAMONTE DR STE 105Altamonte Springs, FL 32701-4811
Mailing Address616 E Altamonte Dr Ste 105Altamonte Springs, FL 32701-4811 · (321) 972-2599 · Fax (321) 444-6771
Phone(321) 972-2599
Fax(321) 444-6771
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateMay 18, 2018
Last NPPES UpdateOctober 27, 20265 updates tracked since enumeration
NPPES CertifiedOctober 27, 2026
✔ NPI 1306337936 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in FL · ME159975
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedPhlebologyTaxonomy 202K00000X · License ME159975 (FL)
616 E ALTAMONTE DR STE 105, Altamonte Springs, FL 32701
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Secondary Practice Location 1

Location 13657 Madaca LnTampa, FL 33618-2048 · Phone (800) 991-6117 · Fax (800) 991-6117

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Superior HealthPlan, Ambetter Health, Ambetter of Alabama and more.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. Catherine B. Youssef 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 ID2062759798
PECOS Enrollment IDI20211001000769, I20240531001582
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 Catherine Youssef reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Saphena Vein Clinic & Wellness Center, LLC
Same address
Primary Care
616 E ALTAMONTE DR STE 105
Altamonte Springs, FL 32701
  • Reassigned Medicare billing, Florida enrollment
NPI 1851254551 (321) 972-2599
Wazni, PLLC
80 mi
Vascular Surgery
3657 MADACA LN
Tampa, FL 33618
  • Reassigned Medicare billing, Florida enrollment
  • 44 clinicians in this Medicare group
NPI 1114353026 (800) 991-6117
Illinois Uvc Medical PLLC
969 mi
Vascular Surgery
4700 W 95TH ST STE 303
Oak Lawn, IL 60453
  • Reassigned Medicare billing, Illinois enrollment
  • 20 clinicians in this Medicare group
NPI 1689224719 (800) 991-6117

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 10

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 straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
92 services47 patients
Chemical destruction of first incompetent vein of arm or leg using imaging guidance 36482
This procedure involves using a chemical to close off a malfunctioning vein in your arm or leg. Imaging guidance is used to accurately locate the vein. This helps improve blood flow by rerouting it through healthier veins.
75 services30 patients
Injection of chemical agent into single incompetent vein of leg using ultrasound guidance 36465
This procedure involves injecting a chemical agent into a non-functioning vein in your leg. Ultrasound technology is used to accurately locate the vein. The chemical helps to close off the vein, rerouting blood flow to healthier veins.
58 services31 patients
Ultrasound study of arm or leg veins with compression and maneuvers 93970
An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.
39 services35 patients
Ultrasonic guidance for needle placement 76942
Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.
37 services19 patients
Ultrasound study of one arm or leg veins with compression and maneuvers 93971
This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.
37 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32701 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
$87.62 typical visit price
range $56.00 – $171.84
Typical copayment $21.90 (range $14.00 – $42.96)
Most-billed visit code 99203
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
90%127 patients3/55-star benchmark: 99%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
79%43 patients4/55-star benchmark: 97%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
100%43 patients5/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
21%43 patients1/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
21%43 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

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

SAPHENA VEIN CLINIC & WELLNESS CENTER, LLC
Clinic/Center (Primary Care)
616 E ALTAMONTE DR STE 105
ALTAMONTE SPRINGS, FL 32701
Seminole County (321) 972-2599

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 Catherine Youssef's NPI number?

The NPI number for Catherine Youssef is 1306337936. It was assigned to this individual provider in the NPPES registry on May 18, 2018.

Where is Catherine Youssef located?

Catherine Youssef practices at 616 E Altamonte Dr Ste 105, Altamonte Springs, FL 32701. The listed phone number is (321) 972-2599.

What is Catherine Youssef's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Catherine Youssef enrolled in Medicare?

Yes. Catherine Youssef 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 Catherine Youssef's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Youssef reassigns Medicare benefits to 3 organizations: Saphena Vein Clinic & Wellness Center, LLC (Altamonte Springs, FL), Wazni, PLLC (Tampa, FL) and Illinois Uvc Medical PLLC (Oak Lawn, IL). 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 Catherine Youssef's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Catherine Youssef accept?

Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Ambetter of Alabama, Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) and 2 other insurers list Catherine Youssef 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 Catherine Youssef was last updated on October 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.