Timothy Chappell, M.D.
NPI 1285696914 · Pulmonary Disease Physician · Allen, TX
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Chappell, M.D. is a Pulmonary Disease Physician provider in Allen, TX (NPI 1285696914).
Provider details
- NPI number
- 1285696914
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- E7029 (TX)
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
20 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
2,065 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 605 | $121 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 271 | $36 |
| Test to Determine Lung Volumes Using Gas Dilution Or Washout94727 | 269 | $42 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 256 | $53 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 228 | $87 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 490 | 137 |
| Montelukast Sodium | 489 | 144 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 487 | 208 |
| Azithromycin | 194 | 125 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 155 | 95 |
| Methylprednisolone | 148 | 90 |
| Prednisone |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-06
- Last updated
- 2021-09-28
- Certified
- 2021-08-31
Frequently asked questions
- What is Timothy Chappell's NPI number?
- Timothy Chappell's National Provider Identifier (NPI) is 1285696914, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Chappell's specialty?
- Timothy Chappell is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Chappell located?
- Timothy Chappell's practice location on file with NPPES is 1101 Raintree Cir Ste 100, Allen, TX 75013-4999.
- What is Timothy Chappell's phone number?
- The practice phone number listed in the NPPES registry for Timothy Chappell is (972) 964-0170.
- Does Timothy Chappell accept Medicare?
- Timothy Chappell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Chappell's NPI active?
- Yes — Timothy Chappell's NPI (1285696914) is active in the NPPES registry as of the last update on 2021-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.