THOMAS SHIMSHAK M.D.
NPI 1467567941
Internal Medicine - Interventional Cardiology in Sebring, FL

Q: What is Thomas Shimshak's NPI number?

The NPI number for Thomas Shimshak is 1467567941. It was assigned to this individual provider in the NPPES registry on August 21, 2006.

Q: What is Thomas Shimshak's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Shimshak was last updated on January 5, 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.

Active since August 21, 2006PECOS EnrolledAccepts Medicare Assignment

94.93/100

CMS Quality Rating

4240 SUN N LAKE BLVD, SUITE 202, SEBRING, FL 33872(863) 471-3926(863) 385-3093 Get Directions Write a Review

NPPES record last updated: January 5, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Thomas Shimshak M.d. NPPES

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

THOMAS SHIMSHAK M.D. (NPI 1467567941) is an individual interventional cardiology provider in Sebring, Florida, licensed in Florida (ME122398) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Adventhealth Sebring, and is a graduate of Medical College Of Wisconsin (1980).

NPPES Registry Identity

NPI1467567941

Entity TypeIndividualMale

Primary Taxonomy207RI0011X

Provider Legal NameTHOMAS SHIMSHAKCredential: M.D.

Location Address4240 SUN N LAKE BLVD, SUITE 202Sebring, FL 33872-1944

Mailing Address4240 Sun N Lake Blvd, Suite 202Sebring, FL 33872-1944 · (863) 471-3926 · Fax (863) 385-3093

Phone(863) 471-3926

Fax(863) 385-3093

Sole ProprietorNo

Medical School CMSMedical College Of WisconsinGraduated 1980

Enumeration DateAugust 21, 2006

Last NPPES UpdateJanuary 5, 2015

✔ NPI 1467567941 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RI0011X

License✔ Licensed in FL · ME122398

Definition

An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

4240 SUN N LAKE BLVD, Sebring, FL 33872

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Other Identifiers 2

Medicaid30554100WI

Medicare UPINC50929WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Health First Commercial Plans, Inc. and more.Insurance ›

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

Thomas Shimshak 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 ID4789660515

PECOS Enrollment IDI20150122001072

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 Reassignment

Medicare enrollment records show Thomas Shimshak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Adventist Health System-Sunbelt Inc

Same address

General Acute Care Hospital

4200 SUN N LAKE BLVD
Sebring, FL 33872

Reassigned Medicare billing, Florida enrollment
Also billed through NPI 1396046637 (Florida)
105 clinicians in this Medicare group

NPI 1083692594 (863) 402-3366

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 13

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.

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

196 services174 patients

Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 93458

This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.

111 services108 patients

Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch 92928

This procedure involves placing a small, mesh tube (stent) in your coronary artery to keep it open. A balloon is used to expand the stent and artery, improving blood flow to your heart. It's typically done for a single artery or branch.

101 services65 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

92 services72 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

47 services47 patients

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.

38 services34 patients

Insertion of tube in coronary artery for diagnosis with review by radiologist 93454

This procedure involves placing a small tube into your coronary artery. It helps to identify any blockages or issues within the artery. A radiologist, a doctor specialized in medical imaging, will review the results to ensure accurate diagnosis.

25 services23 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

22 services22 patients

Ultrasound evaluation of heart blood vessel or graft with review by radiologist, initial vessel 92978

This procedure involves using ultrasound technology to examine the first vessel of your heart or graft. A radiologist will review the images. It's a non-invasive way to check the health of your heart's blood vessels.

20 services19 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

17 services17 patients

Insertion of tube in left lower heart chamber, coronary artery and bypass graft for diagnosis with review by radiologist 93459

This procedure involves placing a tube into your left lower heart chamber, coronary artery, and bypass graft. It's done for diagnostic purposes and is carefully reviewed by a radiologist. This helps determine the health of your heart and arteries, aiding in future treatment plans.

16 services16 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

13 services13 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Adventhealth Sebring

Acute Care Hospitals · Sebring, FL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100109

Location4200 Sun N Lake BlvdSebring, FL 33872 · Highlands County

Emergency services Birthing friendly

Adventhealth Wauchula

Critical Access Hospitals · Wauchula, FL

OwnershipVoluntary non-profit - Private

CMS Certification Number101300

Location735 S 5th AveWauchula, FL 33873 · Hardee County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33872 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.

94.93/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

77.03

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 2

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

PHILLIP E. JONES MD

Internal Medicine (Interventional Cardiology)

4240 SUN N LAKE BLVD, SUITE 202
SEBRING, FL 33872

Highlands County (863) 471-3926

SURGICAL CENTER AT SUN N LAKE L L C

Clinic/Center (Ambulatory Surgical)

4240 SUN N LAKE BLVD, SUITE 100
SEBRING, FL 33872

Highlands County (863) 382-2622

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 Thomas Shimshak's NPI number?

The NPI number for Thomas Shimshak is 1467567941. It was assigned to this individual provider in the NPPES registry on August 21, 2006.

Where is Thomas Shimshak located?

Thomas Shimshak practices at 4240 Sun N Lake Blvd Suite 202, Sebring, FL 33872. The listed phone number is (863) 471-3926.

What is Thomas Shimshak's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Thomas Shimshak enrolled in Medicare?

Yes. Thomas Shimshak 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 organization bills Medicare for Thomas Shimshak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Shimshak reassigns Medicare benefits to Adventist Health System-Sunbelt Inc (Sebring, FL). The 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 Thomas Shimshak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Shimshak accept?

Health plans from Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Health First Commercial Plans, Inc. and Wellpoint list Thomas Shimshak as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Thomas Shimshak affiliated with any hospitals?

According to CMS data, Thomas Shimshak is affiliated with Adventhealth Sebring and Adventhealth Wauchula.

When was this NPI record last updated?

The NPPES record for Thomas Shimshak was last updated on January 5, 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.