Karunyan Arulanantham, MD
NPI 1548217680 · Endocrinology, Diabetes & Metabolism Physician · Lancaster, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karunyan Arulanantham, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Lancaster, CA (NPI 1548217680).
Provider details
- NPI number
- 1548217680
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A31408 (CA)
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 tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,455 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 228 | $98 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 226 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 206 | $138 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 183 | $120 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 115 | $40 |
| Urinalysis, Manual Test81002 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-27
- Last updated
- 2019-12-31
- Certified
- 2019-12-31
Frequently asked questions
- What is Karunyan Arulanantham's NPI number?
- Karunyan Arulanantham's National Provider Identifier (NPI) is 1548217680, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karunyan Arulanantham's specialty?
- Karunyan Arulanantham is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Karunyan Arulanantham located?
- Karunyan Arulanantham's practice location on file with NPPES is 45074 10th St W, Lancaster, CA 93534-2371.
- What is Karunyan Arulanantham's phone number?
- The practice phone number listed in the NPPES registry for Karunyan Arulanantham is (661) 942-2391.
- Does Karunyan Arulanantham accept Medicare?
- Karunyan Arulanantham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karunyan Arulanantham's NPI active?
- Yes — Karunyan Arulanantham's NPI (1548217680) is active in the NPPES registry as of the last update on 2019-12-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.