Mark Sigler, M.D.
NPI 1578799946 · Pulmonary Disease Physician · Amarillo, TX
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Sigler, M.D. is a Pulmonary Disease Physician provider in Amarillo, TX (NPI 1578799946).
Provider details
- NPI number
- 1578799946
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- Q4286 (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 tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,199 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 646 | $129 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 308 | $80 |
| Test to Determine Lung Volumes Using Gas Dilution Or Washout94727 | 197 | $44 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 195 | $56 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 158 | $39 |
| Critical Care, First 30-74 Minutes99291 | 131 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 749 | 132 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 229 | 67 |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 169 | 28 |
| Methylprednisolone | 139 | 79 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 114 | 24 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 110 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$316 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1400 S Coulter StAmarillo, TX 79106-1786Phone: (806) 414-9100Fax: (806) 354-5717
Registry dates
- Enumerated
- 2009-05-29
- Last updated
- 2019-12-13
- Certified
- 2019-12-13
Frequently asked questions
- What is Mark Sigler's NPI number?
- Mark Sigler's National Provider Identifier (NPI) is 1578799946, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Sigler's specialty?
- Mark Sigler is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Sigler located?
- Mark Sigler's practice location on file with NPPES is 6700 W 9th Ave, Amarillo, TX 79106-1701.
- What is Mark Sigler's phone number?
- The practice phone number listed in the NPPES registry for Mark Sigler is (806) 358-0200.
- Does Mark Sigler accept Medicare?
- Mark Sigler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Sigler's NPI active?
- Yes — Mark Sigler's NPI (1578799946) is active in the NPPES registry as of the last update on 2019-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.