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ROSLYN CHANDLER FRETWELL M.D.
NPI 1669521894
Anesthesiology in Houston, TX

Active since January 09, 2007PECOS EnrolledAccepts Medicare Assignment
2411 FOUNTAIN VIEW DR, SUITE 200, HOUSTON, TX 77057(713) 458-4185 Get Directions Write a Review

NPPES record last updated: October 23, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Roslyn Chandler Fretwell M.d. NPPES

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

ROSLYN CHANDLER FRETWELL M.D. (NPI 1669521894) is an individual anesthesiology provider in Houston, Texas, licensed in Texas (G2966) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with Hca Houston Healthcare West, and is a graduate of Medical University Of South Carolina College Of Medicine (1980).

NPPES Registry Identity

NPI1669521894
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameROSLYN CHANDLER FRETWELLCredential: M.D.
Location Address2411 FOUNTAIN VIEW DR, SUITE 200Houston, TX 77057-4817
Mailing Address2411 Fountain View Dr Ste 200Houston, TX 77057-4832 · (713) 620-4000
Phone(713) 458-4185
Sole ProprietorNo
Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 1980
Enumeration DateJanuary 9, 2007
Last NPPES UpdateOctober 23, 2007
✔ NPI 1669521894 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in TX · G2966
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.
2411 FOUNTAIN VIEW DR, Houston, TX 77057
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Other Identifiers 3

Medicare UPINE35087
OtherP00394513TX · Railroad Medicare
Medicare PIN8G0763TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Oscar Insurance Company.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

Roslyn Chandler Fretwell 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 ID7618994047
PECOS Enrollment IDI20051025001033
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

5

Medicare enrollment records show Roslyn Fretwell reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lone Star Anesthesia Associates, PLLC
3.4 mi
Nurse Anesthetist, Certified Registered
3030 S GESSNER RD STE 150
Houston, TX 77063
  • Reassigned Medicare billing, Texas enrollment
  • 67 clinicians in this Medicare group
NPI 1245801299 (713) 587-0909
Epix Medical Services Of Houston PLLC
5.3 mi
Nurse Anesthetist, Certified Registered
6620 MAIN ST STE 1500
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 65 clinicians in this Medicare group
NPI 1417392200 (713) 520-8432
Texans Anesthesia Associates PLLC
26 mi
Anesthesiology
333 N TEXAS AVE STE 1000
Webster, TX 77598
  • Reassigned Medicare billing, Texas enrollment
  • 543 clinicians in this Medicare group
NPI 1275733982 (713) 400-2990
Northstar Anesthesia III PA
181 mi
Anesthesiology
7101 S PADRE ISLAND DR
Corpus Christi, TX 78412
  • Reassigned Medicare billing, Texas enrollment
  • 740 clinicians in this Medicare group
NPI 1356968952 (214) 687-0001
Emergenchealth PLLC
233 mi
Anesthesiology
4100 INTERNATIONAL PLZ STE 800
Fort Worth, TX 76109
  • Reassigned Medicare billing, Texas enrollment
  • 1,612 clinicians in this Medicare group
NPI 1467970897 (972) 861-1270

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 4

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.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
106 services101 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
60 services60 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
36 services36 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
28 services28 patients

Hospital Affiliations CMS Care Compare

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

Hca Houston Healthcare West

Acute Care Hospitals · Houston, TX
2/5 CMS rating
OwnershipProprietary
CMS Certification Number450644
Location12141 Richmond AveHouston, TX 77082 · Harris County
Emergency services Birthing friendly

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.

DR. NICHOLAS JAMES DEFILIPPIS MD
Anesthesiology
2411 FOUNTAIN VIEW DR
HOUSTON, TX 77057
Harris County (713) 620-4000
RITA JUDY GRUNDEN
Nurse Anesthetist, Certified Registered
2411 FOUNTAIN VIEW DR, SUITE 200
HOUSTON, TX 77057
Harris County (713) 458-4185
DR. NATALIE HUDGEONS MD
Anesthesiology
2411 FOUNTAIN VIEW DR, SUITE 200
HOUSTON, TX 77057
Harris County (713) 620-4000
VISHAL RAIZADA D.O.
Anesthesiology
2411 FOUNTAIN VIEW DR, SUITE 200
HOUSTON, TX 77057
Harris County (713) 620-4000
DR. JORGE PABLO FREIMAN M.D.
Anesthesiology
2411 FOUNTAIN VIEW DR, STE. 200
HOUSTON, TX 77057
Harris County (713) 620-4000
DR. JOHN MCCALL ZERWAS MD
Anesthesiology
2411 FOUNTAIN VIEW DR, STE. 200
HOUSTON, TX 77057
Harris County (713) 620-4000
KENNY JOSEPH HEFFERNAN CRNA
Nurse Anesthetist, Certified Registered
2411 FOUNTAIN VIEW DR, SUITE 200
HOUSTON, TX 77057
Harris County (713) 458-4185
SCOTT SUTTON MCLAURIN
Anesthesiology
2411 FOUNTAIN VIEW DR, SUITE 200
HOUSTON, TX 77057
Harris County (713) 458-4185

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 Roslyn Fretwell's NPI number?

The NPI number for Roslyn Fretwell is 1669521894. It was assigned to this individual provider in the NPPES registry on January 9, 2007.

Where is Roslyn Fretwell located?

Roslyn Fretwell practices at 2411 Fountain View Dr Suite 200, Houston, TX 77057. The listed phone number is (713) 458-4185.

What is Roslyn Fretwell's specialty?

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

Is Roslyn Fretwell enrolled in Medicare?

Yes. Roslyn Fretwell 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 Roslyn Fretwell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Roslyn Fretwell reassigns Medicare benefits to 5 organizations: Lone Star Anesthesia Associates, PLLC (Houston, TX), Epix Medical Services Of Houston PLLC (Houston, TX), Texans Anesthesia Associates PLLC (Webster, TX), Northstar Anesthesia III PA (Corpus Christi, TX) and Emergenchealth PLLC (Fort Worth, 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 Roslyn Fretwell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Roslyn Fretwell accept?

Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Roslyn Fretwell 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 Roslyn Fretwell affiliated with any hospitals?

According to CMS data, Roslyn Fretwell is affiliated with Hca Houston Healthcare West.

When was this NPI record last updated?

The NPPES record for Roslyn Fretwell was last updated on October 23, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.