DR. NATHAN MICHAEL MARKWART D.O.
NPI 1265774574
Internal Medicine - Critical Care Medicine in Boca Raton, FL

Active since March 25, 2013PECOS EnrolledAccepts Medicare Assignment
1601 CLINT MOORE RD, SUITE 100, BOCA RATON, FL 33487(561) 939-0200 Get Directions Write a Review

NPPES record last updated: September 3, 2015. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Dr. Nathan Michael Markwart D.o. NPPES

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

DR. NATHAN MICHAEL MARKWART D.O. (NPI 1265774574) is an individual critical care medicine provider in Boca Raton, Florida, licensed in Florida (OS 13310) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS, is affiliated with Bethesda Hospital Inc, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1265774574
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameDR. NATHAN MICHAEL MARKWARTCredential: D.O.
Location Address1601 CLINT MOORE RD, SUITE 100Boca Raton, FL 33487-2768
Mailing Address9420 Poinciana Pl, Apt 403Davie, FL 33324-4848 · (716) 560-3616
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateMarch 25, 2013
Last NPPES UpdateSeptember 3, 2015
NPI 1265774574 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License Licensed in FL · OS 13310
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
1601 CLINT MOORE RD, Boca Raton, FL 33487

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Nathan Michael Markwart D.o. 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 ID3870806854
PECOS Enrollment IDI20150720002808
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.

Areas of Expertise CMS Part B claims 6

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
538 services280 patients
Emergent insertion of breathing tube into windpipe using an endoscope 31500
This is a procedure where a thin tube is inserted into your windpipe to aid in breathing. It's done in emergency situations, using an endoscope, a tool with a light and camera, to ensure correct placement.
16 services16 patients
Insertion of non-tunneled central venous tube for infusion (5 years or older) 36556
This procedure involves placing a thin tube into a large vein, usually in the neck or chest, to administer medication or fluids. It's done under local anesthesia to minimize discomfort. It's a standard, safe procedure for individuals aged 5 and above.
15 services15 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
14 services14 patients
Insertion of tube connecting vein to vein for hemodialysis 36800
This procedure involves placing a tube in your body to create a direct pathway between two veins. This is done to facilitate hemodialysis, a treatment that cleans your blood when your kidneys can't. The tube allows easy, repeated access to your bloodstream, ensuring effective dialysis.
13 services13 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Bethesda Hospital Inc

Acute Care Hospitals · Boynton Beach, FL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100002
Location2815 S Seacrest BlvdBoynton Beach, FL 33435 · Palm Beach County
Emergency services Birthing friendly

Boca Raton Regional Hospital

Acute Care Hospitals · Boca Raton, FL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100168
Location800 Meadows RdBoca Raton, FL 33486 · Palm Beach County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33487 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
$135.56 typical visit price
range $58.56 – $179.05
Typical copayment $33.89 (range $14.64 – $44.76)
Most-billed visit code 99204
Established Patient
$103.21 typical visit price
range $18.44 – $144.68
Typical copayment $25.80 (range $4.61 – $36.17)
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.

Other Providers at the Same Location NPPES 20

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

Audiologist
1601 CLINT MOORE RD, SUITE 105
BOCA RATON, FL 33487
Podiatrist (Foot & Ankle Surgery)
1601 CLINT MOORE RD, 130
BOCA RATON, FL 33487
Specialist
1601 CLINT MOORE RD, SUITE 105
BOCA RATON, FL 33487
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1601 CLINT MOORE RD, SUITE 212
BOCA RATON, FL 33487
Family Medicine
1601 CLINT MOORE RD, SUITE 178
BOCA RATON, FL 33487
Audiologist
1601 CLINT MOORE RD, SUITE 105
BOCA RATON, FL 33487
Internal Medicine (Pulmonary Disease)
1601 CLINT MOORE RD, SUITE 175
BOCA RATON, FL 33487
Audiologist
1601 CLINT MOORE RD, #105
BOCA RATON, FL 33487

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 Nathan Markwart's NPI number?

The NPI number for Nathan Markwart is 1265774574. It was assigned to this individual provider in the NPPES registry on March 25, 2013.

Where is Nathan Markwart located?

Nathan Markwart practices at 1601 Clint Moore Rd Suite 100, Boca Raton, FL 33487. The listed phone number is (561) 939-0200.

What is Nathan Markwart's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Nathan Markwart enrolled in Medicare?

Yes. Nathan Markwart 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.

Is Nathan Markwart affiliated with any hospitals?

According to CMS data, Nathan Markwart is affiliated with Bethesda Hospital Inc and Boca Raton Regional Hospital.

When was this NPI record last updated?

The NPPES record for Nathan Markwart was last updated on September 3, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.