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Anesthesiology

Ai-Shan C. Tang, MD

Works at hospitals in Santa Barbara, CA · California

Summary

Dr. Ai-Shan C. Tang, MD is an anesthesiologist at 3700 State St, Suite 200, Santa Barbara, CA 93105. Phone: (805) 682-7751. Accepts Medicare assignment. In 2024, Ai-Shan C. Tang had 276 Original Medicare patients and 310 services. NPI 1831552082. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 3700 State St, Suite 200, Santa Barbara, CA 93105 · Directions (1 more location)
  • Phone: (805) 682‑7751
  • Medicare: Accepts Medicare assignment
  • Hospital: Santa Barbara Cottage Hospital
  • Group practice: Anesthesia Medical Group of S B Inc
  • Medical school: George Washington University School Of Medicine · graduated 2016 (10 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Ai-Shan C. Tang, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Ai-Shan C. Tang accept Medicare assignment?
Yes. Medicare's clinician data says Ai-Shan C. Tang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Ai-Shan C. Tang see?
In 2024, CMS data shows 276 Original Medicare patients and 310 services for Ai-Shan C. Tang. This counts Original Medicare only and measures volume, not quality.
What is Ai-Shan C. Tang's NPI number?
1831552082. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Ai-Shan C. Tang, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients276
Services billed to Medicare310
Different services or procedures55
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Anesthesia for other procedure on large bowel using an endoscope (00811)50 services
  2. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)29 services
  3. Anesthesia for exam of colon using an endoscope (00812)19 services
  4. Anesthesia for procedure to assess heart electrical activity (00537)17 services
  5. Anesthesia for other procedure on lower abdomen (00840)15 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure73%
  • Arthritis56%
  • Atrial fibrillation29%
  • Chronic kidney disease27%
  • Ischemic heart disease26%

Hospitals where Ai-Shan C. Tang works

Medicare's Facility Affiliation Data lists Ai-Shan C. Tang at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Ai-Shan C. Tang is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ai-Shan C. Tang as a member of this group (CMS data updated October 2, 2026).

  • Anesthesia Medical Group of S B Inc34 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in Santa Barbara

Clinicians with the same Medicare primary specialty in Santa Barbara, CA — not a recommendation.

All anesthesiologists in Santa Barbara →

Other clinicians in Anesthesia Medical Group of S B Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolGeorge Washington University School Of Medicine
Graduation year2016 (10 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831552082
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians