Dayakishan Chahal, MD
NPI 1902327034 · Internal Medicine Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dayakishan Chahal, MD is a Internal Medicine Physician provider in Brooklyn, NY (NPI 1902327034).
Provider details
- NPI number
- 1902327034
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 308003 (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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
885 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) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 294 | $71 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 172 | $144 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 76 | $102 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 66 | $22 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 50 | $16 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 163 | 42 |
| Amlodipine Besylate | 124 | 27 |
| Metformin Hclbrand: Metformin Hcl Er | 73 | 11 |
| Chlorthalidone | 54 | — |
| Valsartan/Hydrochlorothiazidebrand: Valsartan-Hydrochlorothiazide | 48 | 14 |
| Levothyroxine Sodium | 40 | — |
Practice location
Mailing address
Additional practice locations (1)
- 1545 Atlantic AveBrooklyn, NY 11213-1122Phone: (413) 250-3142
Registry dates
- Enumerated
- 2017-06-28
- Last updated
- 2020-12-22
- Certified
- 2020-12-21
Frequently asked questions
- What is Dayakishan Chahal's NPI number?
- Dayakishan Chahal's National Provider Identifier (NPI) is 1902327034, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dayakishan Chahal's specialty?
- Dayakishan Chahal is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dayakishan Chahal located?
- Dayakishan Chahal's practice location on file with NPPES is 341 Eastern Pkwy, Brooklyn, NY 11216-4857.
- What is Dayakishan Chahal's phone number?
- The practice phone number listed in the NPPES registry for Dayakishan Chahal is (917) 310-3371.
- Does Dayakishan Chahal accept Medicare?
- Dayakishan Chahal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dayakishan Chahal's NPI active?
- Yes — Dayakishan Chahal's NPI (1902327034) is active in the NPPES registry as of the last update on 2020-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.