SEBASTIAN ALEJANDRO MIKULIC DO
NPI 1013478650
Internal Medicine - Pulmonary Disease in Fernandina Beach, FL

Active since March 27, 2019PECOS EnrolledAccepts Medicare Assignment
81.9/100
CMS Quality Rating
1348 S 18TH ST STE 210, FERNANDINA BEACH, FL 32034(904) 261-9108(904) 261-9911 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 8, 2026, May 14, 2026, Jul 3, 2023 and 1 more (4 updates tracked since 2022).

About Sebastian Alejandro Mikulic Do NPPES

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

SEBASTIAN ALEJANDRO MIKULIC DO (NPI 1013478650) is an individual pulmonary disease provider in Fernandina Beach, Florida, licensed in Florida (OS18647) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Baptist Medical Center - Nassau, and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2019).

NPPES Registry Identity

NPI1013478650
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameSEBASTIAN ALEJANDRO MIKULICCredential: DO
Location Address1348 S 18TH ST STE 210Fernandina Beach, FL 32034-4785
Mailing AddressPo Box 746641Atlanta, GA 30374-6641 · (904) 202-2092 · Fax (904) 376-4075
Fax(904) 261-9911
Sole ProprietorNo
Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2019
Enumeration DateMarch 27, 2019
Last NPPES UpdateJuly 8, 20264 updates tracked since enumeration
NPPES CertifiedJuly 8, 2026
✔ NPI 1013478650 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in FL · OS18647
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal MedicineTaxonomy 207R00000X · License OS18647 (FL)
1348 S 18TH ST STE 210, Fernandina Beach, FL 32034

Other Identifiers 1

Medicaid114413000FL

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

Sebastian Alejandro Mikulic Do 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 ID7012245335
PECOS Enrollment IDI20220608001626
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

2

Medicare enrollment records show Sebastian Mikulic reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pulmonary Disease
1660 PRUDENTIAL DR STE 320
Jacksonville, FL 32207
  • Reassigned Medicare billing, Florida enrollment
  • 4 clinicians in this Medicare group
Health Service
4500 SAN PABLO RD S
Jacksonville, FL 32224
  • Reassigned Medicare billing, Florida enrollment
  • 1,828 clinicians in this Medicare group

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

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 moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
18 services17 patients

Hospital Affiliations CMS Care Compare 2

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

Baptist Medical Center - Nassau

Acute Care Hospitals · Fernandina Beach, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100140
Location1250 S 18th StFernandina Beach, FL 32034 · Nassau County
Emergency services

Mayo Clinic

Acute Care Hospitals · Jacksonville, FL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100151
Location4500 San Pablo RdJacksonville, FL 32224 · Duval County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32034 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.

81.9/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality72.43
Promoting Interoperability100
Improvement Activities40
Cost59.59

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier13 claims13 services$14.46 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier13 claims13 services$67.66 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

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

Internal Medicine (Pulmonary Disease)
1348 S 18TH ST STE 210
FERNANDINA BEACH, FL 32034
Internal Medicine (Pulmonary Disease)
1348 S 18TH ST STE 210
FERNANDINA BEACH, FL 32034
Internal Medicine (Pulmonary Disease)
1348 S 18TH ST STE 210
FERNANDINA BEACH, FL 32034
Urology
1348 S 18TH ST STE 210
FERNANDINA BEACH, FL 32034
Nurse Practitioner (Acute Care)
1348 S 18TH ST STE 210
FERNANDINA BEACH, FL 32034

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 Sebastian Mikulic's NPI number?

The NPI number for Sebastian Mikulic is 1013478650. It was assigned to this individual provider in the NPPES registry on March 27, 2019.

Where is Sebastian Mikulic located?

Sebastian Mikulic practices at 1348 S 18th St Ste 210, Fernandina Beach, FL 32034. The listed phone number is (904) 261-9108.

What is Sebastian Mikulic's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Sebastian Mikulic enrolled in Medicare?

Yes. Sebastian Mikulic 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 Sebastian Mikulic's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sebastian Mikulic reassigns Medicare benefits to 2 organizations: Baptist Pulmonary Specialists Inc (Jacksonville, FL) and Mayo Clinic Jacksonville (Jacksonville, FL). 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 Sebastian Mikulic's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Sebastian Mikulic affiliated with any hospitals?

According to CMS data, Sebastian Mikulic is affiliated with Baptist Medical Center - Nassau and Mayo Clinic.

When was this NPI record last updated?

The NPPES record for Sebastian Mikulic was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.