PULMONARY & SLEEP INSTITUTE
NPI 1841695293
Clinic/Center - Medical Specialty in San Antonio, TX
NPI Status: Active since October 28, 2014
Contact Information
115 GALLERY CIR
SUITE 102
SAN ANTONIO, TX
ZIP 78258
Phone: (210) 494-4220
Fax: (210) 494-4227
- Organization
- Clinic/Center
- Medical Specialty
About PULMONARY & SLEEP INSTITUTE
This page provides the complete NPI Profile along with additional information for Pulmonary & Sleep Institute, a provider established in San Antonio, Texas operating as a Clinic/center, focusing in medical specialty . The healthcare provider is registered in the NPI registry with number 1841695293 assigned on October 2014. The practitioner's primary taxonomy code is 261QM2500X with license number AP126742 (TX). The provider is registered as an organization and their NPI record was last updated May 2026. Pulmonary & Sleep Institute operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. David Alan Marks Md (Physician)
- NPI
- 1841695293
- Provider Name
- PULMONARY & SLEEP INSTITUTE
- Entity Type
- Organization
- Location Address
- 115 GALLERY CIR SUITE 102 SAN ANTONIO, TX 78258
- Location Phone
- (210) 494-4220
- Location Fax
- (210) 494-4227
- Mailing Address
- 115 GALLERY CIR STE 102 SAN ANTONIO, TX 78258
- Mailing Phone
- (210) 494-4220
- Mailing Fax
- (210) 494-4227
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 10-28-2014
- Last Update Date
- 05-14-2026
- Code Navigator
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Clinic/Center Medical Specialty
- Taxonomy Code
- 261QM2500X
- Type
- Ambulatory Health Care Facilities
- License No.
- AP126742
- License State
- TX
- Taxonomy Description
- An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to a specific area of medical specialization. Frequently used for Title V related Children's Specialty services or to meet specific public health needs (e.g., infectious diseases or breast and cervical cancer).
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 207R00000X | Allopathic & Osteopathic Physicians | Internal Medicine | |
| 2 | 207RC0200X | Allopathic & Osteopathic Physicians | Internal Medicine | |
| 3 | 207RH0002X | Allopathic & Osteopathic Physicians | Internal Medicine | |
| 4 | 207RP1001X | Allopathic & Osteopathic Physicians | Internal Medicine | |
| 5 | 207RS0012X | Allopathic & Osteopathic Physicians | Internal Medicine |
Group Taxonomy 193200000X MULTI-SPECIALTY GROUP
This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.
Reviews for PULMONARY & SLEEP INSTITUTE
There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.
NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1841695293, we treat the final digit (3) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 67 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 6 providers are registered at the same or a nearby location.
SAN ANTONIO, TX 78258
SAN ANTONIO, TX 78258
SAN ANTONIO, TX 78258
SAN ANTONIO, TX 78258
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1841695293, enumerated as an "organization" on October 28, 2014.
The provider is located at 115 GALLERY CIR SUITE 102 SAN ANTONIO, TX 78258 and the phone number is (210) 494-4220.
Clinic/Center with taxonomy code 261QM2500X and a focus in Medical Specialty.
