Doctor profile · Federal record
Dr. David Dayya, D.O., M.P.H.
Undersea and Hyperbaric Medicine (Preventive Medicine) Physician (CMS: Family Practice) · Family Medicine Physician · Internal Medicine Physician · Undersea and Hyperbaric Medicine (Preventive Medicine) Physician · Preventive Medicine/Occupational Environmental Medicine Physician · Hospitalist Physician · New Canaan, CT
- NPI 1548341837
- Accepts Medicare
- MIPS 85.0 / 100 · 2023
- 33 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
194 South Ave
New Canaan, CT 068405728
(203) 972-7766
fax (203) 594-7282 - Additional location
-
701 N Broadway
Sleepy Hollow, NY 105911020
(914) 366-3690 - Mailing address
-
Po Box 655
Guilford, CT 064370655
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- July 16, 2019
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 2083P0011X — NUCC code
- State licenses (2)
- New York #204980 · Connecticut #000432
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548341837. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
433
Distinct HCPCS
7
Medicare allowed
$45,831
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99183 |
Management of oxygen chamber therapy | 110 | 18 | $126 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 97 | 44 | $135 | |
36415 |
Insertion of needle into vein for collection of blood sample | 70 | 40 | $8 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 58 | 29 | $188 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 43 | 28 | $95 | |
99211 |
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 38 | 27 | $25 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 17 | 17 | $136 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 61. This provider delivers 7.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
506
Patients
41
Total drug cost
$18,372
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Escitalopram Oxalate | Generic | 69 | 16 | $1,568 |
| Amlodipine Besylate | Generic | 53 | 13 | $268 |
| Losartan Potassium | Generic | 53 | 12 | $328 |
| Levothyroxine Sodium | Generic | 46 | 0 | $438 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 42 | 0 | $307 |
| Atorvastatin Calcium | Generic | 36 | 0 | $478 |
| Rosuvastatin Calcium | Generic | 32 | 0 | $634 |
| Atenolol | Generic | 28 | 0 | $103 |
| Lisinopril | Generic | 28 | 0 | $187 |
| Carvedilol | Generic | 22 | 0 | $217 |
Hospital affiliations
Frequently asked questions
What is Dr. David Dayya's medical specialty?
Dr. David Dayya practices Undersea and Hyperbaric Medicine (Preventive Medicine) Physician in New Canaan, CT.
Where does Dr. David Dayya practice?
Dr. David Dayya practices at 194 South Ave, New Canaan, CT 068405728. Office phone: 2039727766.
What is Dr. David Dayya's NPI?
Dr. David Dayya's National Provider Identifier (NPI) is 1548341837, issued by NPPES.
Does Dr. David Dayya accept Medicare assignment?
Yes. Dr. David Dayya accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Dayya commonly perform?
Top Medicare-reported procedures in 2023: Management of oxygen chamber therapy (HCPCS 99183); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.