Archadhaa Sivakanthan-Adhikari, MBBS
NPI 1477039311 · Psychiatry Physician · Stamford, CT
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Archadhaa Sivakanthan-Adhikari, MBBS is a Psychiatry Physician provider in Stamford, CT (NPI 1477039311).
Provider details
- NPI number
- 1477039311
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MBBS
- Sex
- Female
- Sole proprietor
- Yes
- License
- 316272 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 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
68 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) |
|---|---|---|
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 37 | $172 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 31 | $50 |
Typical Medicare-allowed amounts for these services range $50–$172 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-07-13
- Last updated
- 2023-09-14
- Certified
- 2023-09-14
Frequently asked questions
- What is Archadhaa Sivakanthan-Adhikari's NPI number?
- Archadhaa Sivakanthan-Adhikari's National Provider Identifier (NPI) is 1477039311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Archadhaa Sivakanthan-Adhikari's specialty?
- Archadhaa Sivakanthan-Adhikari is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Archadhaa Sivakanthan-Adhikari located?
- Archadhaa Sivakanthan-Adhikari's practice location on file with NPPES is 1 Hospital Plz, Stamford, CT 06902-3602.
- What is Archadhaa Sivakanthan-Adhikari's phone number?
- The practice phone number listed in the NPPES registry for Archadhaa Sivakanthan-Adhikari is (203) 276-7111.
- Does Archadhaa Sivakanthan-Adhikari accept Medicare?
- Archadhaa Sivakanthan-Adhikari is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Archadhaa Sivakanthan-Adhikari's NPI active?
- Yes — Archadhaa Sivakanthan-Adhikari's NPI (1477039311) is active in the NPPES registry as of the last update on 2023-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.