Chiriyankandath Sebastian, MD
NPI 1801907845 · Psychiatry Physician · Snellville, GA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chiriyankandath Sebastian, MD is a Psychiatry Physician provider in Snellville, GA (NPI 1801907845).
Provider details
- NPI number
- 1801907845
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 31828 (GA)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
237 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) |
|---|---|---|
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 120 | $69 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 117 | $123 |
Typical Medicare-allowed amounts for these services range $69–$123 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alprazolam | 114 | 18 |
| Bupropion Hclbrand: Bupropion Xl | 111 | 24 |
| Quetiapine Fumarate | 110 | 27 |
| Clonidine Hcl | 98 | 25 |
| Clonazepam | 90 | 17 |
| Gabapentin | 84 | 16 |
| Duloxetine Hcl | 79 |
Practice location
Mailing address
Additional practice locations (1)
- 1120 15th StAugusta, GA 30912-0004Phone: (706) 721-3141Fax: (706) 721-6602
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2026-05-11
- Certified
- 2026-05-11
Frequently asked questions
- What is Chiriyankandath Sebastian's NPI number?
- Chiriyankandath Sebastian's National Provider Identifier (NPI) is 1801907845, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chiriyankandath Sebastian's specialty?
- Chiriyankandath Sebastian is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Chiriyankandath Sebastian located?
- Chiriyankandath Sebastian's practice location on file with NPPES is 3991 Highway 78 W Ste 203, Snellville, GA 30039-3929.
- What is Chiriyankandath Sebastian's phone number?
- The practice phone number listed in the NPPES registry for Chiriyankandath Sebastian is (770) 978-9393.
- Does Chiriyankandath Sebastian accept Medicare?
- Chiriyankandath Sebastian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chiriyankandath Sebastian's NPI active?
- Yes — Chiriyankandath Sebastian's NPI (1801907845) is active in the NPPES registry as of the last update on 2026-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.