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JOHN ZAK III M.D.
NPI 1548210594
Internal Medicine - Gastroenterology in Ormond Beach, FL

Active since May 11, 2006PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
570 MEMORIAL CIR STE 110, ORMOND BEACH, FL 32174(386) 437-5980(386) 437-5981 Get Directions Write a Review

NPPES record last updated: September 1, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About John Zak Iii M.d. NPPES

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

JOHN ZAK III M.D. (NPI 1548210594) is an individual gastroenterology provider in Ormond Beach, Florida, licensed in Florida (ME51680) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Adventhealth Daytona Beach, and is a graduate of Other (1984).

NPPES Registry Identity

NPI1548210594
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameJOHN ZAK IIICredential: M.D.
Location Address570 MEMORIAL CIR STE 110Ormond Beach, FL 32174-5063
Mailing Address570 Memorial Cir Ste 110Ormond Beach, FL 32174-5063 · (386) 437-5980 · Fax (386) 437-5981
Phone(386) 437-5980
Fax(386) 437-5981
Sole ProprietorNo
Medical School CMSOtherGraduated 1984
Enumeration DateMay 11, 2006
Last NPPES UpdateSeptember 1, 2023
NPPES CertifiedSeptember 1, 2023
✔ NPI 1548210594 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in FL · ME51680
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedSpecialistTaxonomy 174400000X · License 0051680 (FL)
570 MEMORIAL CIR STE 110, Ormond Beach, FL 32174
Open in Google Maps ↗

Other Identifiers 1

Medicaid372114100FL

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), Health First Commercial Plans, Inc. 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

John Zak Iii 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 ID9638182777
PECOS Enrollment IDI20060718000252
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 John Zak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

John Zak III PA Inc
Same address
Gastroenterology
570 MEMORIAL CIR STE 110
Ormond Beach, FL 32174
  • Reassigned Medicare billing, Florida enrollment
NPI 1508807488 (386) 437-5980

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 high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
492 services248 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
89 services86 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.
81 services70 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
75 services75 patients
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121
Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.
25 services25 patients
Insertion of stomach tube using a flexible endoscope 43246
This procedure involves the use of a flexible endoscope, a thin tube with a light and camera, to insert a stomach tube. It helps doctors view and access your stomach without surgery. It's typically performed under sedation to ensure comfort.
21 services20 patients

Hospital Affiliations CMS Care Compare

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

Adventhealth Daytona Beach

Acute Care Hospitals · Daytona Beach, FL
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number100068
Location301 Memorial Medical ParkwayDaytona Beach, FL 32117 · Volusia County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32174 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
$130.04 typical visit price
range $56.00 – $171.84
Typical copayment $32.51 (range $14.00 – $42.96)
Most-billed visit code 99204
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.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored

Other Providers at the Same Location NPPES 3

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

SHANNON RILEY VICE PRESIDENT OF OP
Specialist/Technologist, Pathology (Laboratory Management)
570 MEMORIAL CIR STE 110
ORMOND BEACH, FL 32174
Flagler County (386) 951-5571
JOHN ZAK III PA INC
Internal Medicine (Gastroenterology)
570 MEMORIAL CIR STE 110
ORMOND BEACH, FL 32174
Flagler County (386) 437-5980
OPTIMUS LABS LLC
Technician, Pathology (Medical Laboratory)
570 MEMORIAL CIR STE 110
ORMOND BEACH, FL 32174
Flagler County (360) 434-0960

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 John Zak's NPI number?

The NPI number for John Zak is 1548210594. It was assigned to this individual provider in the NPPES registry on May 11, 2006.

Where is John Zak located?

John Zak practices at 570 Memorial Cir Ste 110, Ormond Beach, FL 32174. The listed phone number is (386) 437-5980.

What is John Zak's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is John Zak enrolled in Medicare?

Yes. John Zak 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 John Zak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Zak reassigns Medicare benefits to John Zak III PA Inc (Ormond Beach, 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 John Zak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Zak accept?

Health plans from Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Health First Commercial Plans, Inc. and Oscar Health Maintenance Organization of Florida list John Zak 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 John Zak affiliated with any hospitals?

According to CMS data, John Zak is affiliated with Adventhealth Daytona Beach.

When was this NPI record last updated?

The NPPES record for John Zak was last updated on September 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.