Mark Co, MD
NPI 1912990987 · Pulmonary Disease Physician · Dallas, TX
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Co, MD is a Pulmonary Disease Physician provider in Dallas, TX (NPI 1912990987).
Provider details
- NPI number
- 1912990987
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- H5857 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
567 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 237 | $207 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 104 | $38 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 71 | $179 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 63 | $116 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 44 | $128 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 263 | 51 |
| Prednisone | 130 | 56 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 90 | 39 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 63 | 13 |
| Albuterol Sulfatebrand: Ventolin Hfa | 41 | — |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$63 across 3 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
Registry dates
- Enumerated
- 2005-08-25
- Last updated
- 2011-04-04
Frequently asked questions
- What is Mark Co's NPI number?
- Mark Co's National Provider Identifier (NPI) is 1912990987, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Co's specialty?
- Mark Co is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Co located?
- Mark Co's practice location on file with NPPES is 9330 Poppy Dr, Dallas, TX 75218-4621.
- What is Mark Co's phone number?
- The practice phone number listed in the NPPES registry for Mark Co is (214) 321-1231.
- Does Mark Co accept Medicare?
- Mark Co is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Co's NPI active?
- Yes — Mark Co's NPI (1912990987) is active in the NPPES registry as of the last update on 2011-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.