Mark Ferris, M.D.
NPI 1245255629 · Pulmonary Disease Physician · Paris, TX
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Ferris, M.D. is a Pulmonary Disease Physician provider in Paris, TX (NPI 1245255629).
Provider details
- NPI number
- 1245255629
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- J5758 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,296 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 35 Minutes99232 | 360 | $79 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 214 | $127 |
| Critical Care, First 30-74 Minutes99291 | 156 | $215 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 95 | $169 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 83 | $10 |
| Test to Determine Lung Volumes Using Gas Dilution Or Washout94727 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 172 | 60 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 132 | 35 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 108 | 52 |
| Prednisone | 83 | 38 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 63 | 16 |
| Fluticasone Propion/Salmeterolbrand: Fluticasone-Salmeterol | 29 | — |
Practice location
Mailing address
Additional practice locations (1)
- 9330 Poppy DrSuite 407Dallas, TX 75218-4621Phone: (214) 793-8243
Registry dates
- Enumerated
- 2006-07-13
- Last updated
- 2020-08-09
- Certified
- 2020-08-09
Frequently asked questions
- What is Mark Ferris's NPI number?
- Mark Ferris's National Provider Identifier (NPI) is 1245255629, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Ferris's specialty?
- Mark Ferris is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Ferris located?
- Mark Ferris's practice location on file with NPPES is 2850 Lewis Ln Ste 109, Paris, TX 75460-9378.
- What is Mark Ferris's phone number?
- The practice phone number listed in the NPPES registry for Mark Ferris is (903) 737-1680.
- Does Mark Ferris accept Medicare?
- Mark Ferris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Ferris's NPI active?
- Yes — Mark Ferris's NPI (1245255629) is active in the NPPES registry as of the last update on 2020-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.