DAMIAN RASHAD CHAMBERLAIN MD
NPI 1033773338
Allergy & Immunology in San Antonio, TX

Active since April 23, 2019PECOS EnrolledAccepts Medicare Assignment
2833 BABCOCK RD STE 304, SAN ANTONIO, TX 78229(210) 358-3108(210) 702-4750 Get Directions Write a Review

NPPES record last updated: March 4, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 4, 2026, Jan 20, 2026, Dec 29, 2025 and 3 more (6 updates tracked since 2019).

About Damian Rashad Chamberlain Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DAMIAN RASHAD CHAMBERLAIN MD (NPI 1033773338) is an individual allergy & immunology provider in San Antonio, Texas, licensed in Texas (W3241) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with University Health System, and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1033773338
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameDAMIAN RASHAD CHAMBERLAINCredential: MD
Location Address2833 BABCOCK RD STE 304San Antonio, TX 78229-4896
Mailing Address2833 Babcock Rd Ste 304San Antonio, TX 78229-4896 · (210) 644-3700 · Fax (210) 702-4683
Fax(210) 702-4750
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateApril 23, 2019
Last NPPES UpdateMarch 4, 20266 updates tracked since enumeration
NPPES CertifiedMarch 4, 2026
✔ NPI 1033773338 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
Licenses✔ Licensed in TX · W3241✔ Licensed in IL · 036.164939
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
2833 BABCOCK RD STE 304, San Antonio, TX 78229

Secondary Practice Location 1

Location 1251 E Huron StChicago, IL 60611-2908 · Phone (312) 695-4147

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Damian Rashad Chamberlain Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9537492020
PECOS Enrollment IDI20260128004513
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Damian Chamberlain reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Family Medicine
903 W MARTIN ST # MS 49-2
San Antonio, TX 78207
  • Reassigned Medicare billing, Texas enrollment
  • 1,129 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Health System

Acute Care Hospitals · San Antonio, TX
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450213
Location4502 Medical DrSan Antonio, TX 78229 · Bexar County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Allergy & Immunology
2833 BABCOCK RD STE 304
SAN ANTONIO, TX 78229
Nurse Practitioner (Family)
2833 BABCOCK RD STE 304
SAN ANTONIO, TX 78229

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Damian Chamberlain's NPI number?

The NPI number for Damian Chamberlain is 1033773338. It was assigned to this individual provider in the NPPES registry on April 23, 2019.

Where is Damian Chamberlain located?

Damian Chamberlain practices at 2833 Babcock Rd Ste 304, San Antonio, TX 78229. The listed phone number is (210) 358-3108.

What is Damian Chamberlain's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Damian Chamberlain enrolled in Medicare?

Yes. Damian Chamberlain is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Damian Chamberlain's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Damian Chamberlain reassigns Medicare benefits to Community Medicine Associates (San Antonio, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Damian Chamberlain's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Damian Chamberlain accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas and Community First list Damian Chamberlain as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Damian Chamberlain affiliated with any hospitals?

According to CMS data, Damian Chamberlain is affiliated with University Health System.

When was this NPI record last updated?

The NPPES record for Damian Chamberlain was last updated on March 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.