Peggy Lai, M.D.
NPI 1760651087 · Internal Medicine Physician · Dallas, TX
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peggy Lai, M.D. is a Internal Medicine Physician provider in Dallas, TX (NPI 1760651087).
Provider details
- NPI number
- 1760651087
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 234569 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 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
505 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 149 | $219 |
| Test to Measure Rate of Airflow94375 | 143 | $15 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 109 | $9 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 46 | $10 |
| Test to Determine Lung Volumes Using Sensors94726 | 44 | $12 |
| Test to Determine Lung Volumes Using Gas Dilution Or Washout94727 | 14 | $12 |
Typical Medicare-allowed amounts for these services range $9–$219 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-02-21
- Last updated
- 2008-02-21
Frequently asked questions
- What is Peggy Lai's NPI number?
- Peggy Lai's National Provider Identifier (NPI) is 1760651087, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peggy Lai's specialty?
- Peggy Lai is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Peggy Lai located?
- Peggy Lai's practice location on file with NPPES is 9611 Milltrail Dr, Dallas, TX 75238-1423.
- What is Peggy Lai's phone number?
- The practice phone number listed in the NPPES registry for Peggy Lai is (214) 502-8678.
- Does Peggy Lai accept Medicare?
- Peggy Lai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peggy Lai's NPI active?
- Yes — Peggy Lai's NPI (1760651087) is active in the NPPES registry as of the last update on 2008-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.