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DENNIS F. DIAZ M.D.
NPI 1245397413
Surgery in Orange City, FL

Active since January 03, 2007PECOS EnrolledAccepts Medicare Assignment
2864 WELLNESS AVE STE 200, ORANGE CITY, FL 32763(386) 775-0333(386) 775-0427 Get Directions Write a Review

NPPES record last updated: January 31, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dennis F. Diaz M.d. NPPES

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

DENNIS F. DIAZ M.D. (NPI 1245397413) is an individual surgery provider in Orange City, Florida, licensed in Florida (ME107205) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Adventhealth Deland, and maintains a secondary practice location in Orange City.

NPPES Registry Identity

NPI1245397413
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDENNIS F. DIAZCredential: M.D.
Location Address2864 WELLNESS AVE STE 200Orange City, FL 32763-8335
Mailing Address2864 Wellness Ave Ste 200Orange City, FL 32763-8335 · (386) 775-0333 · Fax (386) 775-0427
Phone(386) 775-0333
Fax(386) 775-0427
Sole ProprietorNo
Medical School CMSPonce School Of MedicineGraduated 2004
Enumeration DateJanuary 3, 2007
Last NPPES UpdateJanuary 31, 2020
✔ NPI 1245397413 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Licenses✔ Licensed in FL · ME107205✔ Licensed in FL · TRN7966
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
2864 WELLNESS AVE STE 200, Orange City, FL 32763
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Secondary Practice Location 1

Location 11053 Medical Center Dr, Suite 242Orange City, FL 32763-8260 · Phone (386) 775-0333 · Fax (386) 775-0427

Other Identifiers 3

Medicaid002287400FL
Other208600000XFL · Taxonomy Code
Medicaid277915300FL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Florida Health Care Plans 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

Dennis F. Diaz 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 ID8628123924
PECOS Enrollment IDI20100809000746
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 Reassignment

Medicare enrollment records show Dennis Diaz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

North Orlando Surgical Group, Inc
1.1 mi
Surgery
1061 MEDICAL CENTER DR, SUITE 305
Orange City, FL 32763
  • Reassigned Medicare billing, Florida enrollment
  • 4 clinicians in this Medicare group
NPI 1801843263 (386) 775-0333

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 7

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.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
299 services135 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
66 services62 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
61 services59 patients
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.
49 services33 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
22 services22 patients
Ultrasonic guidance for blood vessel access 76937
Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.
12 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Adventhealth Deland

Acute Care Hospitals · Deland, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number100045
Location701 W Plymouth AveDeland, FL 32720 · Volusia County
Emergency services

Adventhealth Fish Memorial

Acute Care Hospitals · Orange City, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number100072
Location1055 Saxon BlvdOrange City, FL 32763 · Volusia County
Emergency services Birthing friendly

Central Florida Lake Monroe Hospital

Acute Care Hospitals · Sanford, FL
2/5 CMS rating
OwnershipProprietary
CMS Certification Number100161
Location1401 W Seminole BlvdSanford, FL 32771 · Seminole County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32763 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
$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.

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

Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
100%1,069 patients5/55-star benchmark: 100%
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.
88%33 patients4/55-star benchmark: 100%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
23%258 patients1/55-star benchmark: 98%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
99%250 patients4/55-star benchmark: 100%
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.
49%198 patients2/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
99%504 patients4/55-star benchmark: 100%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
66%461 patients3/55-star benchmark: 100%
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…
91%198 patients4/55-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…
6%198 patients1/55-star benchmark: 79%
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 2

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

MRS. LOIS KIMBERLY STEINBAUM APRN
Nurse Practitioner (Family)
2864 WELLNESS AVE STE 200
ORANGE CITY, FL 32763
Volusia County (386) 775-0333
JOAN WEBER IACOBELLI M.D.
Surgery
2864 WELLNESS AVE STE 200
ORANGE CITY, FL 32763
Volusia County (386) 775-0333

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 Dennis Diaz's NPI number?

The NPI number for Dennis Diaz is 1245397413. It was assigned to this individual provider in the NPPES registry on January 3, 2007.

Where is Dennis Diaz located?

Dennis Diaz practices at 2864 Wellness Ave Ste 200, Orange City, FL 32763. The listed phone number is (386) 775-0333.

What is Dennis Diaz's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Dennis Diaz enrolled in Medicare?

Yes. Dennis Diaz 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 organization bills Medicare for Dennis Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dennis Diaz reassigns Medicare benefits to North Orlando Surgical Group, Inc (Orange City, FL). The 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 Dennis Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dennis Diaz accept?

Health plans from Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Florida Health Care Plans, Health First Commercial Plans, Inc. and Oscar Health Maintenance Organization of Florida and 1 other insurer list Dennis Diaz 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.

Is Dennis Diaz affiliated with any hospitals?

According to CMS data, Dennis Diaz is affiliated with Adventhealth Deland, Adventhealth Fish Memorial and Central Florida Lake Monroe Hospital.

When was this NPI record last updated?

The NPPES record for Dennis Diaz was last updated on January 31, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.