ALISON RAZON LEEFLANG
NPI 1154894061
Nurse Anesthetist, Certified Registered in Dallas, TX

Active since January 03, 2019Accepts Medicare Assignment
74.59/100
CMS Quality Rating
5323 HARRY HINES BLVD, DALLAS, TX 75390(214) 648-6400(214) 648-5461 Get Directions Write a Review

NPPES record last updated: March 27, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 7, 2019, Jan 4, 2019 (2 updates tracked since 2019).

About Alison Razon Leeflang NPPES

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

ALISON RAZON LEEFLANG (NPI 1154894061) is an individual nurse anesthetist, certified registered in Dallas, Texas, licensed in Texas (AP140468) and active in the NPI registry since January 2019. She is affiliated with Parkland Health & Hospital System and is a graduate of Other (2018).

NPPES Registry Identity

NPI1154894061
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameALISON RAZON LEEFLANG
Location Address5323 HARRY HINES BLVDDallas, TX 75390-7201
Mailing AddressPo Box 845347Dallas, TX 75284-5347 · (469) 291-3369 · Fax (214) 645-0078
Fax(214) 648-5461
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateJanuary 3, 2019
Last NPPES UpdateMarch 27, 20192 updates tracked since enumeration
✔ NPI 1154894061 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in TX · AP140468
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
5323 HARRY HINES BLVD, Dallas, TX 75390

Accepted 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

Alison Razon Leeflang 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 ID1759621261
PECOS Enrollment IDI20190320001346

Medicare Billing Reassignments

2

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

Orthopaedic Surgery
5323 HARRY HINES BLVD
Dallas, TX 75390
  • Reassigned Medicare billing, Texas enrollment
  • 5,299 clinicians in this Medicare group
Psychiatry
5200 HARRY HINES BLVD
Dallas, TX 75235
  • Reassigned Medicare billing, Texas enrollment
  • 808 clinicians in this Medicare group

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.

Parkland Health & Hospital System

Acute Care Hospitals · Dallas, TX
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450015
Location5200 Harry Hines BlvdDallas, TX 75235 · Dallas County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75390 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
$131.01 typical visit price
range $57.18 – $172.86
Typical copayment $32.75 (range $14.29 – $43.21)
Most-billed visit code 99204
Established Patient
$71.28 typical visit price
range $18.48 – $141.20
Typical copayment $17.82 (range $4.62 – $35.30)
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.

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.

74.59/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality56.12
Promoting Interoperability100
Improvement Activities40
Cost59.2

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.

Physician Assistant
5323 HARRY HINES BLVD
DALLAS, TX 75390
Anesthesiology
5323 HARRY HINES BLVD
DALLAS, TX 75390
Anesthesiology
5323 HARRY HINES BLVD
DALLAS, TX 75390
Internal Medicine (Infectious Disease)
5323 HARRY HINES BLVD
DALLAS, TX 75390
Pain Medicine (Interventional Pain Medicine)
5323 HARRY HINES BLVD
DALLAS, TX 75390
Internal Medicine (Hematology)
5323 HARRY HINES BLVD
DALLAS, TX 75390
Pediatrics
5323 HARRY HINES BLVD
DALLAS, TX 75390
Emergency Medicine
5323 HARRY HINES BLVD
DALLAS, TX 75390

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 Alison Leeflang's NPI number?

The NPI number for Alison Leeflang is 1154894061. It was assigned to this individual provider in the NPPES registry on January 3, 2019.

Where is Alison Leeflang located?

Alison Leeflang practices at 5323 Harry Hines Blvd, Dallas, TX 75390. The listed phone number is (214) 648-6400.

What is Alison Leeflang's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Alison Leeflang enrolled in Medicare?

Yes. Alison Leeflang 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 Alison Leeflang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alison Leeflang reassigns Medicare benefits to 2 organizations: University Of Texas Southwestern Medical Center At Dallas (Dallas, TX) and Dallas County Hospital District (Dallas, 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 Alison Leeflang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alison Leeflang accept?

Health plans from Blue Cross and Blue Shield of Texas list Alison Leeflang 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 Alison Leeflang affiliated with any hospitals?

According to CMS data, Alison Leeflang is affiliated with Parkland Health & Hospital System.

When was this NPI record last updated?

The NPPES record for Alison Leeflang was last updated on March 27, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.