Sibin Nair, MD
NPI 1619439056 · Family Medicine Physician · Chickasha, OK
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sibin Nair, MD is a Family Medicine Physician provider in Chickasha, OK (NPI 1619439056).
Provider details
- NPI number
- 1619439056
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 39805 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 104 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 225 | 73 |
| Levothyroxine Sodium | 203 | 56 |
| Atorvastatin Calcium | 171 | 57 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 171 | 54 |
| Cyclobenzaprine Hcl | 163 | 73 |
| Metformin Hcl | 146 | 32 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$105 across 6 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
- 2019-04-04
- Last updated
- 2026-02-13
- Certified
- 2026-02-13
Frequently asked questions
- What is Sibin Nair's NPI number?
- Sibin Nair's National Provider Identifier (NPI) is 1619439056, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sibin Nair's specialty?
- Sibin Nair is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sibin Nair located?
- Sibin Nair's practice location on file with NPPES is 2100 W Iowa Ave Ste a, Chickasha, OK 73018-2736.
- What is Sibin Nair's phone number?
- The practice phone number listed in the NPPES registry for Sibin Nair is (405) 224-2100.
- Does Sibin Nair accept Medicare?
- Sibin Nair is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sibin Nair's NPI active?
- Yes — Sibin Nair's NPI (1619439056) is active in the NPPES registry as of the last update on 2026-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.