Rachel Dayan, PA-C, RD
- Medicare patients, 2024
- 14
- Part D claims, 2024
- 116
- MIPS score, 2024
- 87
- Hospital affiliations
- 3
- Industry payments
- $139
- Practice address
- 50 Division St, New Haven, CT 06511
- Practice phone
- Call (203) 785-2140
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Yale Medicine
New Haven, Connecticut
Find Rachel Dayan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Rachel Dayan is a surgical physician assistant in New Haven, Connecticut
Rachel Dayan practices at Yale Medicine in New Haven, Connecticut.
Rachel Dayan's NPI, 1174910194, was assigned on April 16, 2015. Rachel Dayan holds Connecticut license 4383.
- NPI
- 1174910194NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981924206
- NPI enumeration date
- April 16, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (203) 785-2140
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Rachel Dayan practices at Yale Medicine in New Haven, Connecticut
Rachel Dayan's primary practice is Yale Medicine, at 50 Division St, New Haven, CT 06511 in South Central Ct County. The practice phone is (203) 785-2140.
- Yale Medicine50 Division St, New Haven, CT 06511 · South Central Ct CountyPhone(203) 785-2140
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Rachel Dayan is affiliated with 4 sites of care and 1 medical group
Rachel Dayan's primary practice is Yale Medicine in New Haven, Connecticut. Rachel Dayan is also affiliated with Yale New Haven Hospital. The medical group on file is Yale Health. Dmand AI also links Rachel Dayan to 2 more hospitals, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Rachel Dayan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Rachel Dayan practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Yale Medicine | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Rachel Dayan is one of 699 surgical physician assistants in Connecticut
Surgical is Rachel Dayan's primary specialty in the NPI Registry, under taxonomy code 363AS0400X. Rachel Dayan is licensed in Connecticut.
Specialties and state licenses
- Surgical physician assistant, ConnecticutPrimary
Surgical physician assistants near Rachel Dayan
Counts of surgical physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Rachel Dayan treated 14 Medicare patients in 2024, average age 77
CMS counts 14 Medicare patients who saw Rachel Dayan in 2024. The largest group is under 65, with 0 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.95, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Rachel Dayan's median patient age at 57, with 78% women.
Rachel Dayan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Rachel Dayan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Rachel Dayan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women78%
- Men20%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Rachel Dayan wrote 116 Medicare Part D claims in 2024
In 2024, Rachel Dayan wrote 116 Medicare Part D claims for 62 patients. 37% of them were for generic drugs.
Rachel Dayan's Part D claims by kind of drug, 2024
- Generic43 claims37%
- Brand-name62 claims53%
- Other11 claims9%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Rachel Dayan scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Rachel Dayan for performance year 2024, reported as part of a group. Rachel Dayan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Rachel Dayan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Rachel Dayan's MIPS scores, performance year 2024
- 87of 100Final score
- 77.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Rachel Dayan received $139 in industry payments in 2025
CMS Open Payments shows 1 general payment to Rachel Dayan from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Ardelyx, Inc. paid the most, $139.
Companies that paid Rachel Dayan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Rachel Dayan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Rachel Dayan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Rachel Dayan's NPI number?
Rachel Dayan's NPI number is 1174910194. It was assigned on April 16, 2015, and it is active in the NPI Registry.
What does Rachel Dayan specialize in?
Rachel Dayan is a surgical physician assistant in New Haven, Connecticut. The primary specialty in the NPI Registry is Surgical Physician Assistant (taxonomy code 363AS0400X).
Where does Rachel Dayan practice?
Rachel Dayan practices at 50 Division St, New Haven, CT 06511. Rachel Dayan's primary practice is Yale Medicine in New Haven, Connecticut. Dmand AI also links Rachel Dayan to 2 hospitals.
What is Rachel Dayan's office phone number?
The practice phone on file for Rachel Dayan is (203) 785-2140.
What is Rachel Dayan's medical license number?
Rachel Dayan holds Connecticut license 4383, one of 2 state licenses on file.
Which hospitals is Rachel Dayan affiliated with?
Rachel Dayan is affiliated with Yale New Haven Hospital. Dmand AI links Rachel Dayan to 2 more hospitals.
What medical group is Rachel Dayan part of?
Rachel Dayan is linked to Yale Health.
Does Rachel Dayan accept Medicare?
Yes. CMS lists Rachel Dayan as accepting Medicare assignment.
Does Rachel Dayan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Rachel Dayan as offering telehealth services.
What is Rachel Dayan's MIPS score?
Rachel Dayan's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
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How many Medicare patients does Rachel Dayan see?
CMS counts 14 Medicare patients who saw Rachel Dayan in 2024, with an average age of 77.
Has Rachel Dayan received payments from drug or device companies?
CMS Open Payments shows $139 in general payments to Rachel Dayan from 1 company from 2025 to 2025. The largest total came from Ardelyx, Inc.
How long has Rachel Dayan been practicing?
Rachel Dayan graduated from medical school in 2018, 8 years ago.
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