Patrick Demarco, MD
NPI 1578598967 · Allergy Physician · Orange Park, FL
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patrick Demarco, MD is a Allergy Physician provider in Orange Park, FL (NPI 1578598967).
Provider details
- NPI number
- 1578598967
- Entity type
- Individual
- Primary specialty
- Allergy PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME86337 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
9,597 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 2,986 | $13 |
| Test for Allergy Using Allergenic Extract95004 | 2,281 | $4 |
| Professional Service for Multiple Injections of Allergen95117 | 2,119 | $12 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 1,128 | $8 |
| Professional Service for Single Injection of Allergen95115 | 273 | $10 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 169 | $124 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 198 | 74 |
| Montelukast Sodium | 165 | 51 |
| Ipratropium Bromide | 131 | 49 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 129 | 24 |
| Azelastine Hcl | 124 | 52 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 101 | 51 |
| Levocetirizine Dihydrochloride | 67 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,750 across 66 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 2804 Saint Johns Bluff Rd S Ste 202Jacksonville, FL 32246-3778Phone: (904) 730-4870Fax: (904) 730-4873
- 2255 Dunn Ave Ste 205Jacksonville, FL 32218-4739Phone: (904) 730-4870Fax: (904) 730-4873
- 12276 San Jose Blvd Ste 733Jacksonville, FL 32223-8675Phone: (904) 730-4870Fax: (904) 730-4873
Registry dates
- Enumerated
- 2006-07-12
- Last updated
- 2026-01-12
- Certified
- 2026-01-12
Frequently asked questions
- What is Patrick Demarco's NPI number?
- Patrick Demarco's National Provider Identifier (NPI) is 1578598967, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick Demarco's specialty?
- Patrick Demarco is listed in the NPPES registry with a primary specialty of Allergy Physician (Allopathic & Osteopathic Physicians).
- Where is Patrick Demarco located?
- Patrick Demarco's practice location on file with NPPES is 1825 Kingsley Ave Ste 320, Orange Park, FL 32073-4477.
- What is Patrick Demarco's phone number?
- The practice phone number listed in the NPPES registry for Patrick Demarco is (904) 730-4870.
- Does Patrick Demarco accept Medicare?
- Patrick Demarco is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patrick Demarco's NPI active?
- Yes — Patrick Demarco's NPI (1578598967) is active in the NPPES registry as of the last update on 2026-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.