Damian Chamberlain, MD
NPI 1033773338 · Allergy & Immunology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Damian Chamberlain, MD is a Allergy & Immunology Physician provider in San Antonio, TX (NPI 1033773338).
Provider details
- NPI number
- 1033773338
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036.164939 (IL)
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 tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 26 | — |
| Prednisone | 18 | 12 |
| Fluticasone Propion/Salmeterolbrand: Fluticasone-Salmeterol | 17 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 17 | — |
| Azelastine Hcl | 15 | — |
| Fluticasone Furoatebrand: Arnuity Ellipta | 11 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,202 across 11 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)
- 251 E Huron StChicago, IL 60611-2908Phone: (312) 695-4147
Registry dates
- Enumerated
- 2019-04-23
- Last updated
- 2026-03-04
- Certified
- 2026-03-04
Frequently asked questions
- What is Damian Chamberlain's NPI number?
- Damian Chamberlain's National Provider Identifier (NPI) is 1033773338, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Damian Chamberlain's specialty?
- Damian Chamberlain is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Damian Chamberlain located?
- Damian Chamberlain's practice location on file with NPPES is 2833 Babcock Rd Ste 304, San Antonio, TX 78229-4896.
- What is Damian Chamberlain's phone number?
- The practice phone number listed in the NPPES registry for Damian Chamberlain is (210) 358-3108.
- Does Damian Chamberlain accept Medicare?
- Damian Chamberlain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Damian Chamberlain's NPI active?
- Yes — Damian Chamberlain's NPI (1033773338) is active in the NPPES registry as of the last update on 2026-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.