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Edit this profileAt a glance
- 115 Gallery Cir, 102, San Antonio, TX 78258
About Dr. Marks
Based in San Antonio, TX, David A. Marks, M.D. is listed in the NPI registry under pulmonary disease. David is also listed as specializing in hospice & palliative medicine, internal medicine, and sleep medicine. Medicare claims data shows David provided 4,468 services to 3,192 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, telephone or internet assessment with verbal and written report by consulting physician, 21-30 minutes, and residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes. NPI 1821016023 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (210) 494-4220
- Email not available
Practice Locations
115 GALLERY CIR 102
San Antonio, TX 78258
Conditions Commonly Evaluated or Treated
Within Pulmonary Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Airway disorders
Blood vessel disorders
Critical care
Diagnostic findings
Environmental lung diseases
Genetic conditions
Infections
- Community-acquired pneumonia
- Fungal lung infection
- Legionnaires' Disease
- Lung abscess
- NTM lung infection
- Severe Pneumonia
- Tuberculosis
- Valley fever
- Walking Pneumonia in Children
- Whooping Cough
Inflammatory conditions
Lung growths
Occupational & environmental
Pleural disorders
Post-infection conditions
Sleep disorders
- Excessive daytime sleepiness
- Shallow Breathing In Sleep
- Snoring
- Upper Airway Resistance Syndrome
- Waking Up Gasping Or Choking
Structural lung conditions
Symptoms
- Blue Baby Syndrome
- Chest congestion
- Coughing up blood
- Low oxygen levels
- Rapid Breathing
- Severe asthma attack
- Wheezing
Procedures & services
Most searched procedures
Airway care
Airway management
Biopsies
Biopsies & diagnostics
Breathing tests
- 6-minute walk test
- Asthma challenge test
- Cardiopulmonary Exercise Testing (CPET)
- Exhaled nitric oxide test
Cancer diagnostic procedures
Consultations
Counseling & prevention
Critical care
Diagnostic procedures
Drainage care
Imaging
Interventional procedures
Lab tests
Lung tests
Medications
Monitoring
Pleural procedures
- Chest tube insertion
- Draining lung fluid
- Medical thoracoscopy
- Permanent chest drain insertion
- Pleural sealing procedure
Procedures
Rehabilitation
Screening
Sleep equipment
Sleep medicine
Sleep treatments
Specialist evaluations
Specialized testing
Treatments
Procedures Most Often Billed to Medicare
4,468 services · 3,192 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
101 | More often than most peers in Pulmonary Disease |
| Irrigation and suction of lung airways to obtain cells using an endoscope | Procedure | 31624 |
20 | As often as other peers in Pulmonary Disease |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
395 | More than most peers in Pulmonary Disease |
| Test to determine lung volumes using sensors | Treatment | 94726 |
393 | More than most peers in Pulmonary Disease |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
313 | More than most peers in Pulmonary Disease |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
90 | More often than most peers in Pulmonary Disease |
| Test for exercise-induced lung stress | Treatment | 94618 |
46 | More often than most peers in Pulmonary Disease |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
14 | Less often than most peers in Pulmonary Disease |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
726 | More than most peers in Pulmonary Disease |
| Telephone or internet assessment with verbal and written report by consulting physician, 21-30 minutes | Office visit | 99448 |
641 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other lung specialists in San Antonio 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in TX who bill this service to Medicare most often.
Common questions
What is David A. Marks's specialty?
David A. Marks is a lung specialist in San Antonio, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pulmonary Disease”.
NPI registry
Where can I find David A. Marks?
David A. Marks is listed at 115 Gallery Cir 102, San Antonio, TX 78258. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact David A. Marks?
The number on file is (210) 494-4220. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for David A. Marks?
David A. Marks's National Provider Identifier is 1821016023. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is David A. Marks's education?
David A. Marks attended Other, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How much experience does David A. Marks have?
David A. Marks has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What is David A. Marks known for?
According to Medicare billing data, David A. Marks performs procedures including insertion of needle into vein for collection of blood sample and irrigation and suction of lung airways to obtain cells using an endoscope; provides treatments such as test to examine how well the lungs exchange gases and test to determine lung volumes using sensors, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is David A. Marks's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by David A. Marks. If this is you, claiming it is free.
Guide.md
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