WARREN NASELSKY MD, MS
NPI 1417311648
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Houston, TX

Q: What is Warren Naselsky's NPI number?

The NPI number for Warren Naselsky is 1417311648. It was assigned to this individual provider in the NPPES registry on April 13, 2016.

Q: What is Warren Naselsky's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Q: When was this NPI record last updated?

The NPPES record for Warren Naselsky was last updated on December 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.

Active since April 13, 2016PECOS EnrolledAccepts Medicare Assignment

6550 FANNIN ST STE 1501, HOUSTON, TX 77030(713) 441-5177 Get Directions Write a Review

NPPES record last updated: December 12, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Warren Naselsky Md, Ms NPPES

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

WARREN NASELSKY MD, MS (NPI 1417311648) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Houston, Texas, licensed in Texas (V0483) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Hospital, and is a graduate of University Of North Carolina At Chapel Hill School Of Medicine (2016).

NPPES Registry Identity

NPI1417311648

Entity TypeIndividualMale

Primary Taxonomy208G00000X

Provider Legal NameWARREN NASELSKYCredential: MD, MS

Location Address6550 FANNIN ST STE 1501Houston, TX 77030-2743

Mailing Address6550 Fannin St Ste 1601Houston, TX 77030-2743

Phone(713) 441-5177

Sole ProprietorNo

Medical School CMSUniversity Of North Carolina At Chapel Hill School Of MedicineGraduated 2016

Enumeration DateApril 13, 2016

Last NPPES UpdateDecember 12, 2024

NPPES CertifiedDecember 12, 2024

✔ NPI 1417311648 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians

Taxonomy Code208G00000X

License✔ Licensed in TX · V0483

Definition

A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.

6550 FANNIN ST STE 1501, Houston, TX 77030

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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

Warren Naselsky Md, Ms 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 ID2062707896

PECOS Enrollment IDI20241105001180

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

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

Tmh Physician Associates PLLC

Same address

Ophthalmology

6550 FANNIN ST, SUITE 447
Houston, TX 77030

Reassigned Medicare billing, Texas enrollment
2,407 clinicians in this Medicare group

NPI 1275779225 (713) 441-7389

Houston Methodist Specialty Physicians

1.0 mi

Otolaryngology

7550 GREENBRIAR DR STE 600
Houston, TX 77030

Reassigned Medicare billing, Texas enrollment
1,579 clinicians in this Medicare group

NPI 1902614332 (281) 414-6055

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 2

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

40 services17 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

14 services14 patients

Hospital Affiliations CMS Care Compare 5

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

Houston Methodist Hospital

Acute Care Hospitals · Houston, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450358

Location6565 FanninHouston, TX 77030 · Harris County

Emergency services Birthing friendly

Houston Methodist Baytown Hospital

Acute Care Hospitals · Baytown, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450424

Location4401 Garth RoadBaytown, TX 77521 · Harris County

Emergency services Birthing friendly

Houston Methodist Clear Lake Hospital

Acute Care Hospitals · Nassau Bay, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450709

Location18300 Houston Methodist DrNassau Bay, TX 77058 · Harris County

Emergency services Birthing friendly

Houston Methodist Sugarland Hospital

Acute Care Hospitals · Sugar Land, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450820

Location16655 Southwest FreewaySugar Land, TX 77479 · Fort Bend County

Emergency services Birthing friendly

Houston Methodist The Woodlands Hospital

Acute Care Hospitals · The Woodlands, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number670122

Location17201 Interstate 45 SouthThe Woodlands, TX 77385 · Montgomery County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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

$176.98 typical visit price

range $58.24 – $176.98

Typical copayment $44.24 (range $14.56 – $44.24)

Most-billed visit code 99205

Established Patient

$72.62 typical visit price

range $18.60 – $143.93

Typical copayment $18.15 (range $4.65 – $35.98)

Most-billed visit code 99213

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 11

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

NESTOR ESNAOLA MD

Surgery (Surgical Oncology)