Carla Khalaf Mcstay, MD
NPI 1396193983 · Hospice and Palliative Medicine (Internal Medicine) Physician · Dallas, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carla Khalaf Mcstay, MD is a Hospice and Palliative Medicine (Internal Medicine) Physician provider in Dallas, TX (NPI 1396193983).
Provider details
- NPI number
- 1396193983
- Entity type
- Individual
- Primary specialty
- Hospice and Palliative Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD470242 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
124 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 47 | $115 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 28 | $168 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 21 | $176 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 15 | $141 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 13 | $77 |
Typical Medicare-allowed amounts for these services range $77–$176 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 53 | 11 |
| Oxycodone Hcl | 37 | 11 |
| Gabapentin | 36 | 13 |
| Hydromorphone Hcl | 28 | 14 |
| Methadone Hcl | 23 | — |
| Pregabalin | 22 | — |
| Ondansetronbrand: Ondansetron Odt |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-05-25
- Last updated
- 2021-07-21
- Certified
- 2021-07-21
Frequently asked questions
- What is Carla Khalaf Mcstay's NPI number?
- Carla Khalaf Mcstay's National Provider Identifier (NPI) is 1396193983, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carla Khalaf Mcstay's specialty?
- Carla Khalaf Mcstay is listed in the NPPES registry with a primary specialty of Hospice and Palliative Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Carla Khalaf Mcstay located?
- Carla Khalaf Mcstay's practice location on file with NPPES is 6201 Harry Hines Blvd, Dallas, TX 75390-3410.
- What is Carla Khalaf Mcstay's phone number?
- The practice phone number listed in the NPPES registry for Carla Khalaf Mcstay is (214) 633-5555.
- Does Carla Khalaf Mcstay accept Medicare?
- Carla Khalaf Mcstay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carla Khalaf Mcstay's NPI active?
- Yes — Carla Khalaf Mcstay's NPI (1396193983) is active in the NPPES registry as of the last update on 2021-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.