Chitta Thiagarajah, M.D.
NPI 1982696944 · Pain Medicine (Anesthesiology) Physician · Lancaster, CA
Enrolled with Medicare as Practitioner - Interventional Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chitta Thiagarajah, M.D. is a Pain Medicine (Anesthesiology) Physician provider in Lancaster, CA (NPI 1982696944).
Provider details
- NPI number
- 1982696944
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A33498 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
6,070 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 3,069 | $128 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,125 | $91 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Single Level64483 | 371 | $385 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Each Additional Level64484 | 371 | $172 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 196 | $64 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 1,032 | 244 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 723 | 208 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 475 | 143 |
| Baclofen | 302 | 82 |
| Cyclobenzaprine Hcl | 234 | 63 |
| Tizanidine Hcl | 192 | 62 |
| Gabapentin | 167 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$242 across 10 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
Registry dates
- Enumerated
- 2005-08-16
- Last updated
- 2011-10-26
Frequently asked questions
- What is Chitta Thiagarajah's NPI number?
- Chitta Thiagarajah's National Provider Identifier (NPI) is 1982696944, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chitta Thiagarajah's specialty?
- Chitta Thiagarajah is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Chitta Thiagarajah located?
- Chitta Thiagarajah's practice location on file with NPPES is 44725 10th St W, Lancaster, CA 93534-3033.
- What is Chitta Thiagarajah's phone number?
- The practice phone number listed in the NPPES registry for Chitta Thiagarajah is (661) 949-9966.
- Does Chitta Thiagarajah accept Medicare?
- Chitta Thiagarajah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chitta Thiagarajah's NPI active?
- Yes — Chitta Thiagarajah's NPI (1982696944) is active in the NPPES registry as of the last update on 2011-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.