Ranjit Chacko, MD
NPI 1669552097 · Psychiatry Physician · Houston, TX
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ranjit Chacko, MD is a Psychiatry Physician provider in Houston, TX (NPI 1669552097).
Provider details
- NPI number
- 1669552097
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- E9148 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 205 | 43 |
| Sertraline Hcl | 118 | 31 |
| Duloxetine Hcl | 100 | 22 |
| Trazodone Hcl | 96 | 28 |
| Mirtazapine | 91 | 27 |
| Escitalopram Oxalate | 88 | 30 |
| Lorazepam | 83 |
Practice location
Mailing address
Additional practice locations (1)
- 6655 Travis StHouston, TX 77030-1312Phone: (713) 798-4857Fax: (713) 798-3138
Registry dates
- Enumerated
- 2006-10-17
- Last updated
- 2022-07-21
Frequently asked questions
- What is Ranjit Chacko's NPI number?
- Ranjit Chacko's National Provider Identifier (NPI) is 1669552097, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ranjit Chacko's specialty?
- Ranjit Chacko is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Ranjit Chacko located?
- Ranjit Chacko's practice location on file with NPPES is 6560 Fannin St Ste 900, Houston, TX 77030-2726.
- What is Ranjit Chacko's phone number?
- The practice phone number listed in the NPPES registry for Ranjit Chacko is (713) 441-3800.
- Does Ranjit Chacko accept Medicare?
- Ranjit Chacko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ranjit Chacko's NPI active?
- Yes — Ranjit Chacko's NPI (1669552097) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.