PATRICK J III DEMARCO (MD) – Allergy Physician, NPI 1578598967

PATRICK J III DEMARCO (MD) is a healthcare provider. based in Jacksonville, Florida. specializing in ALLERGY/IMMUNOLOGY. They hold the professional credentials MD. They hold a License No. ME86337 (FL). The NPI Number for PATRICK J III DEMARCO (MD) is 1578598967

Main info

Male
26 Years Of Experience
Accepts Medicare Assignment
Name
PATRICK J III DEMARCO (MD)
NPI
1578598967
Phone
(904) 730-4870
Address
12276 San Jose Blvd Ste 733
Enumeration Date
12 July 2006
Last Update Date
12 January 2026

Doctor Profile

Medical School Name
OTHER
Secondary Phone
9047304870
Graduation Year
2000 (26 years ago)
PAC ID
1951330554
Group Practice PAC ID
8527163468
Professional Enrollment ID
I20050804000212
Address ID
FL320734477OR1825XAVEX305
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness85
Years active:19State licenses:1Digital endpointsOther names

274 ALLERGY/IMMUNOLOGY in FL

Provider Addresses for PATRICK J III DEMARCO (MD)

  • 12276 San Jose Blvd Ste 733

    Jacksonville, FL 322238675

    Phone: (904) 730-4870

    Fax: (904) 730-4873

    Type: Location

  • 2804 Saint Johns Bluff Rd S Ste 202

    Jacksonville, FL 322463778

    Phone: (904) 730-4870

    Fax: (904) 730-4873

    Type: Location

  • 2255 Dunn Ave Ste 205

    Jacksonville, FL 322184739

    Phone: (904) 730-4870

    Fax: (904) 730-4873

    Type: Location

  • PO BOX 54008

    JACKSONVILLE, FL 322454008

    Phone: (904) 730-4870

    Fax: (904) 730-4873

    Type: Mailing

  • 1825 KINGSLEY AVE STE 320

    ORANGE PARK, FL 320734477

    Phone: (904) 730-4870

    Fax: (904) 730-4873

    Type: Location

  • 1895, Kingsley Avenue, Orange Park, Clay County, Florida, 32073, United States

    SUITE 401

    ORANGE PARK, FL 320734466

    Phone: (904) 272-5251

    Fax: (904) 276-0459

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 148 Open Payments records for all available years, with a total value of $3,594.

Total Amount is formed as General ($3,594) + Research ($0) + Ownership ($0) = $3,594.

Last reported payment date: 2024-12-10 • Largest payer in this snapshot: Regeneron Healthcare Solutions, Inc. ($800).

Total Amount

$3,594

General + Research + Ownership

Payments

148

Total payment records

General Amount

$3,594

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-10

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2005-08-04

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20050804000212IAllergy/ImmunologyFLTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
J2357Injection, omalizumab, 5 mg3,36013$0
95165Professional service for preparation and provision of 1 or more antigens2,605119$0
95004Test for allergy using allergenic extract2,43235$0
95117Professional service for multiple injections of allergen1,982114$0
J0517Injection, benralizumab, 1 mg1,59012$0
View full utilization report →

Insurance plans in this area (ZIP 32223)

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Provider's Procedures

PATRICK J III DEMARCO (MD) performs procedures in ALLERGY/IMMUNOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
ALLERGY/IMMUNOLOGYFL94060Measurement and graphic recording of the amount and speed of breathed air, before and following medication administration2524
ALLERGY/IMMUNOLOGYFL95004Injection of allergenic extracts into skin, accessed through the skin226832
ALLERGY/IMMUNOLOGYFL95117Injection of incremental dosages of allergen, 2 or more injections128267

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 8527163468View full group profile
NameSpecialtyState
Allergy/Immunology, Internal MedicineFL

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Frequently asked questions

What is the standard ID for PATRICK J III DEMARCO (MD) in the U.S.?
In the U.S., PATRICK J III DEMARCO (MD) is identified by NPI 1578598967.
Quick check: is PATRICK J III DEMARCO (MD) active?
Public NPPES data shows PATRICK J III DEMARCO (MD) with an active NPI status right now.
Which specialty label fits PATRICK J III DEMARCO (MD)?
NPPES ties PATRICK J III DEMARCO (MD) to Allergy Physician in the taxonomy section. Clinical services aligned with this taxonomy classification.
What geographic area is tied to PATRICK J III DEMARCO (MD)?
PATRICK J III DEMARCO (MD) is associated with Jacksonville, Florida in the same public data insurers reference.
Can I verify credentials using only NPI?
NPI confirms identity in the directory; licensure and board certification require separate checks.

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