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DR. DENNIS ERIC KOSELAK M.D.
NPI 1386607919
Anesthesiology in Bradenton, FL

Active since April 06, 2006PECOS EnrolledAccepts Medicare Assignment
2010 59TH ST W, STE 5600, BRADENTON, FL 34209(941) 798-3524 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Dennis Eric Koselak M.d. NPPES

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

DR. DENNIS ERIC KOSELAK M.D. (NPI 1386607919) is an individual anesthesiology provider in Bradenton, Florida, licensed in Florida (ME80905) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Hca Florida Blake Hospital, and is a graduate of University Of South Florida College Of Medicine (1992).

NPPES Registry Identity

NPI1386607919
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. DENNIS ERIC KOSELAKCredential: M.D.
Location Address2010 59TH ST W, STE 5600Bradenton, FL 34209-4686
Mailing AddressPo Box 552106Tampa, FL 33655-0001
Phone(941) 798-3524
Sole ProprietorNo
Medical School CMSUniversity Of South Florida College Of MedicineGraduated 1992
Enumeration DateApril 6, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1386607919 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in FL · ME80905
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
2010 59TH ST W, Bradenton, FL 34209
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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

Dr. Dennis Eric Koselak 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 ID5395718837
PECOS Enrollment IDI20040813000742
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

3

Medicare enrollment records show Dennis Koselak reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesia Dynamics LLC
3.9 mi
Anesthesiology
206 2ND ST E
Bradenton, FL 34208
  • Reassigned Medicare billing, Florida enrollment
  • 1,887 clinicians in this Medicare group
NPI 1073001012 (888) 851-4642
Capital Anesthesia Solutions Of Florida II, LLC
103 mi
Anesthesiology
6101 PINE RIDGE RD
Naples, FL 34119
  • Reassigned Medicare billing, Florida enrollment
  • 767 clinicians in this Medicare group
NPI 1891318481 (239) 348-4000
Medstream Anesthesia PLLC
923 mi
Anesthesiology
2221 LAKESIDE BLVD STE 600
Richardson, TX 75082
  • Reassigned Medicare billing, Virginia enrollment
  • 210 clinicians in this Medicare group
NPI 1649616160 (828) 210-9386

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

Hca Florida Blake Hospital

Acute Care Hospitals · Bradenton, FL
1/5 CMS rating
OwnershipProprietary
CMS Certification Number100213
Location2020 59th St WBradenton, FL 34209 · Manatee County
Emergency services

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.

LAURA ANN MARTIN CRNA
Nurse Anesthetist, Certified Registered
2010 59TH ST W, STE 5600
BRADENTON, FL 34209
Manatee County (941) 798-3524
TOBIAS QUINTON GIBSON MD
Anesthesiology
2010 59TH ST W, STE 5600
BRADENTON, FL 34209
Manatee County (941) 798-3524
DR. DOMINIQUE MESIDOR MD
Surgery (Surgical Critical Care)
2010 59TH ST W, SUITE 2200
BRADENTON, FL 34209
Manatee County (941) 794-5621
CHASITY KENTROS
Nurse Anesthetist, Certified Registered
2010 59TH ST W, #4650
BRADENTON, FL 34209
Manatee County (941) 798-3524
JASON ALEXANDRE JAFFE
Physician Assistant (Medical)
2010 59TH ST W, SUITE 2200
BRADENTON, FL 34209
Manatee County (941) 794-5621
MUSCULOSKELETAL INSTITUTE CHARTERED
Clinic/Center (Multi-Specialty)
2010 59TH ST W, SUITE 2200
BRADENTON, FL 34209
Manatee County (813) 978-9700
MR. RAJ T RAJAN M.D.
Internal Medicine (Cardiovascular Disease)
2010 59TH ST W, SUITE #4200
BRADENTON, FL 34209
Manatee County (941) 794-3999
DR. ALYSSA IMPERATORE ZIEHM DO
Surgery (Surgical Critical Care)
2010 59TH ST W
BRADENTON, FL 34209
Manatee County (941) 794-5621

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 Dennis Koselak's NPI number?

The NPI number for Dennis Koselak is 1386607919. It was assigned to this individual provider in the NPPES registry on April 6, 2006.

Where is Dennis Koselak located?

Dennis Koselak practices at 2010 59th St W Ste 5600, Bradenton, FL 34209. The listed phone number is (941) 798-3524.

What is Dennis Koselak's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Dennis Koselak enrolled in Medicare?

Yes. Dennis Koselak 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 Dennis Koselak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dennis Koselak reassigns Medicare benefits to 3 organizations: Anesthesia Dynamics LLC (Bradenton, FL), Capital Anesthesia Solutions Of Florida II, LLC (Naples, FL) and Medstream Anesthesia PLLC (Richardson, TX). 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 Dennis Koselak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Dennis Koselak affiliated with any hospitals?

According to CMS data, Dennis Koselak is affiliated with Hca Florida Blake Hospital.

When was this NPI record last updated?

The NPPES record for Dennis Koselak was last updated on July 13, 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.