David Dayya, D.O., M.P.H.
NPI 1548341837 · Undersea and Hyperbaric Medicine (Preventive Medicine) Physician · New Canaan, CT
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Dayya, D.O., M.P.H. is a Undersea and Hyperbaric Medicine (Preventive Medicine) Physician provider in New Canaan, CT (NPI 1548341837).
Provider details
- NPI number
- 1548341837
- Entity type
- Individual
- Primary specialty
- Undersea and Hyperbaric Medicine (Preventive Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O., M.P.H.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 204980 (NY)
Specialties & taxonomies
- Undersea and Hyperbaric Medicine (Preventive Medicine) PhysicianPrimary2083P0011XLicense 204980 (NY)
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
430 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) |
|---|---|---|
| Management of Oxygen Chamber Therapy99183 | 123 | $122 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 87 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 69 | $134 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 63 | $188 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 36 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 74 | 11 |
| Amlodipine Besylate | 64 | 13 |
| Escitalopram Oxalate | 63 | 15 |
| Atorvastatin Calcium | 42 | 13 |
| Rosuvastatin Calcium | 41 | 13 |
| Metformin Hclbrand: Metformin Hcl Er | 37 | 11 |
Practice location
Mailing address
Additional practice locations (1)
- 701 N BroadwaySleepy Hollow, NY 10591-1020Phone: (914) 366-3690
Registry dates
- Enumerated
- 2006-10-17
- Last updated
- 2019-07-16
Frequently asked questions
- What is David Dayya's NPI number?
- David Dayya's National Provider Identifier (NPI) is 1548341837, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Dayya's specialty?
- David Dayya is listed in the NPPES registry with a primary specialty of Undersea and Hyperbaric Medicine (Preventive Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is David Dayya located?
- David Dayya's practice location on file with NPPES is 194 South Ave, New Canaan, CT 06840-5728.
- What is David Dayya's phone number?
- The practice phone number listed in the NPPES registry for David Dayya is (203) 972-7766.
- Does David Dayya accept Medicare?
- David Dayya is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Dayya's NPI active?
- Yes — David Dayya's NPI (1548341837) is active in the NPPES registry as of the last update on 2019-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.