DAVID DAYYA D.O., M.P.H.
NPI 1548341837
Preventive Medicine - Undersea and Hyperbaric Medicine in New Canaan, CT

Active since October 17, 2006PECOS EnrolledAccepts Medicare Assignment
91.25/100
CMS Quality Rating
194 SOUTH AVE, NEW CANAAN, CT 06840(203) 972-7766(203) 594-7282 Get Directions Write a Review

NPPES record last updated: July 16, 2019. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About David Dayya D.o., M.p.h. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DAVID DAYYA D.O., M.P.H. (NPI 1548341837) is an individual undersea and hyperbaric medicine provider in New Canaan, Connecticut, licensed in New York (204980) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Phelps Hospital, and maintains a secondary practice location in Sleepy Hollow.

NPPES Registry Identity

NPI1548341837
Entity TypeIndividualMale
Primary Taxonomy2083P0011X
Provider Legal NameDAVID DAYYACredential: D.O., M.P.H.
Location Address194 SOUTH AVENew Canaan, CT 06840-5728
Mailing AddressPo Box 655Guilford, CT 06437-0655 · (203) 972-7766 · Fax (203) 594-7282
Fax(203) 594-7282
Sole ProprietorYes
Medical School CMSOtherGraduated 1993
Enumeration DateOctober 17, 2006
Last NPPES UpdateJuly 16, 2019
NPI 1548341837 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

Primary SpecialtyPreventive Medicine · Undersea and Hyperbaric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2083P0011X
Licenses Licensed in NY · 204980 Licensed in CT · 000432
Definition

A specialist who treats decompression illness and diving accident cases and uses hyperbaric oxygen therapy to treat such conditions as carbon monoxide poisoning, gas gangrene, non-healing wounds, tissue damage from radiation and burns and bone infections. This specialist also serves as consultant to other physicians in all aspects of hyperbaric chamber operations and assesses risks and applies appropriate standards to prevent disease and disability in divers and other persons working in altered atmospheric conditions.

Also ListedFamily MedicineTaxonomy 207Q00000X · License 204980 (NY)
Also ListedInternal MedicineTaxonomy 207R00000X · License 000432 (CT)
Also ListedPreventive Medicine · Preventive Medicine/Occupational Environmental MedicineTaxonomy 2083P0500X · License 000432 (CT)
Also ListedHospitalistTaxonomy 208M00000X · License 000432 (CT)
194 SOUTH AVE, New Canaan, CT 06840

Secondary Practice Location 1

Location 1701 N BroadwaySleepy Hollow, NY 10591-1020 · Phone (914) 366-3690 ext. 20397

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

David Dayya D.o., M.p.h. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7012999600
PECOS Enrollment IDI20040607000667, I20101019000969
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Management of oxygen chamber therapy 99183
Oxygen chamber therapy involves breathing pure oxygen in a pressurized room or tube. It's used to treat various conditions like wounds that won't heal due to diabetes or radiation injury. In this therapy, your body's tissues get more oxygen to promote healing and fight infection.
123 services13 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
69 services37 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
63 services39 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
36 services26 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
27 services19 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
25 services25 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Phelps Hospital

Acute Care Hospitals · Sleepy Hollow, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330261
Location701 N BroadwaySleepy Hollow, NY 10591 · Westchester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06840 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.25/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality74.92
Promoting Interoperability91.67
Improvement Activities40

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
194 SOUTH AVE
NEW CANAAN, CT 06840
Family Medicine
194 SOUTH AVE
NEW CANAAN, CT 06840

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is David Dayya's NPI number?

The NPI number for David Dayya is 1548341837. It was assigned to this individual provider in the NPPES registry on October 17, 2006.

Where is David Dayya located?

David Dayya practices at 194 South Ave, New Canaan, CT 06840. The listed phone number is (203) 972-7766.

What is David Dayya's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Undersea and Hyperbaric Medicine, with taxonomy code 2083P0011X.

Is David Dayya enrolled in Medicare?

Yes. David Dayya is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is David Dayya affiliated with any hospitals?

According to CMS data, David Dayya is affiliated with Phelps Hospital.

When was this NPI record last updated?

The NPPES record for David Dayya was last updated on July 16, 2019. NPI Profile syncs with the weekly NPPES data releases published by CMS.