PhysiciansPrivate Sector
Dr. Rayhan Noah Saiani, MD
NPI1811494651PAC ID9335487552
- Medicare services, 2022
- 154
- Part D claims, 2021
- 65
- Publications
- 1
- Hospital affiliations
- 3
- Industry payments
- $2,730
- Practice address
- 5 Perryridge Rd, Greenwich, CT 06830
- Practice phone
- Call (203) 863-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Saiani'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.
Dr. Rayhan Noah Saiani is a hospitalist in Greenwich, Connecticut
Dr. Saiani practices at Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System.
Dr. Saiani's NPI, 1811494651, was assigned on April 9, 2018. Dr. Saiani holds New York license 306773.
NPI and contact details
- NPI
- 1811494651NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335487552
- NPI enumeration date
- April 9, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (203) 863-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rayhan Noah Saiani practices at Greenwich Hospital in Greenwich, Connecticut
Dr. Saiani's primary practice is Greenwich Hospital, at 5 Perryridge Rd, Greenwich, CT 06830 in Fairfield County. The practice phone is (203) 863-3000.
- Greenwich Hospital5 Perryridge Rd, Greenwich, CT 06830 · Fairfield CountyPhone(203) 863-3000
Source: Dmand AI Affiliation Data
Dr. Rayhan Noah Saiani is affiliated with 5 sites of care and 3 medical groups
Dr. Saiani's primary practice is Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System. Dr. Saiani is also affiliated with Yale New Haven Hospital. The medical group on file is ColumbiaDoctors. Dmand AI also links Dr. Saiani to 1 more hospital, 2 group practices and clinics and 2 medical groups, each named with a free account.
Yale New Haven HospitalColumbiaDoctors1 hospitalName with a free account2 group practices and clinicsNames with a free account2 medical groupsNames with a free account
See all 8 affiliations for Dr. SaianiSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Rayhan Noah Saiani's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Saiani practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Greenwich Hospital | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Rayhan Noah Saiani is one of 358 hospitalists in Connecticut
Hospitalist is Dr. Saiani's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Saiani is licensed in New York.
Specialties and state licenses
- Hospitalist, New YorkPrimary
Hospitalists near Dr. Saiani
Counts of hospitalists 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
Dr. Rayhan Noah Saiani billed Medicare for 154 services in 2022
CMS data shows 154 Medicare services from Dr. Saiani across 2 procedure codes in 2022. Medicare paid $14,797 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2022154
Paid by Medicare$14,797
Procedure codes2
Dr. Saiani's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 862022: 15479%
Dr. Saiani compared with the Connecticut median for hospitalists, 2022
- Dr. Saiani
- Connecticut median
- Medicare services
- 154vs 26041% below
- Part D claims
- 65vs 8019% below
Medians across 354 hospitalists in Connecticut with Dmand AI profiles that report each measure.
Dr. Saiani's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Saiani and other hospitalists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rayhan Noah Saiani's patients have a median age of 68
Across all payers, Dmand AI patient panel data puts Dr. Saiani's median patient age at 68, with 47% women.
Dr. Saiani's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women47%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Rayhan Noah Saiani wrote 65 Medicare Part D claims in 2021
In 2021, Dr. Saiani wrote 65 Medicare Part D claims. Every claim was for a generic drug. They cover 3 drugs, with $1,027 in total drug cost.
Part D claims, 202165
Drugs named by CMS3
Total drug cost$1,027
Dr. Saiani's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Rayhan Noah Saiani offers telehealth to Medicare patients
Dr. Saiani accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Saiani as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Rayhan Noah Saiani has 1 publication on record
Dmand AI links 1 paper to Dr. Saiani. Dr. Saiani's most frequent co-authors are Lawrence Peter Casalino, MD and Dhruv Khullar, MD.
Papers1
Dr. Saiani's most frequent co-authors
Recent publications by Dr. Saiani
See who Dr. Saiani researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Saiani works with, so you can find a warm path to the right hospitalists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Rayhan Noah Saiani received $2,730 in industry payments from 2022 to 2025
CMS Open Payments shows 77 general payments to Dr. Saiani from 22 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $686.
General payments to Dr. Saiani by program year, 2022 to 2025
Companies that paid Dr. Saiani the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Rayhan Noah Saiani'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Dr. Rayhan Noah Saiani
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Rayhan Noah Saiani's NPI number?
Dr. Rayhan Noah Saiani's NPI number is 1811494651. It was assigned on April 9, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Rayhan Noah Saiani?
Dr. Rayhan Noah Saiani is a hospitalist in Greenwich, Connecticut. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Rayhan Noah Saiani practice?
Dr. Saiani practices at 5 Perryridge Rd, Greenwich, CT 06830. Dr. Saiani's primary practice is Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System. Dmand AI also links Dr. Saiani to 1 hospital, 2 group practices and clinics and 2 medical groups.
What is Dr. Rayhan Noah Saiani's office phone number?
The practice phone on file for Dr. Saiani is (203) 863-3000.
What is Dr. Rayhan Noah Saiani's medical license number?
Dr. Saiani holds New York license 306773.
Which hospitals is Dr. Rayhan Noah Saiani affiliated with?
Dr. Saiani practices at Greenwich Hospital in Greenwich, Connecticut. Dr. Saiani is also affiliated with Yale New Haven Hospital. Dmand AI links Dr. Saiani to 1 more hospital.
What medical group is Dr. Rayhan Noah Saiani part of?
Dr. Saiani is linked to ColumbiaDoctors. Dmand AI links Dr. Saiani to 2 more medical groups.
Does Dr. Rayhan Noah Saiani accept Medicare?
Yes. CMS data shows Dr. Saiani billed Medicare for 154 services in 2022, and Dr. Saiani accepts Medicare assignment.
Does Dr. Rayhan Noah Saiani offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Saiani as offering telehealth services.
What services does Dr. Rayhan Noah Saiani bill to Medicare?
In 2022, Dr. Saiani's most billed Medicare services were hospital inpatient care (99233) and hospital inpatient care (99223).
Show 5 more questionsShow fewer questions
What drugs does Dr. Rayhan Noah Saiani prescribe most?
In 2021 Medicare Part D data, Dr. Saiani's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metformin HCl.
Has Dr. Rayhan Noah Saiani received payments from drug or device companies?
CMS Open Payments shows $2,730 in general payments to Dr. Saiani from 22 companies from 2022 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Rayhan Noah Saiani been practicing?
Dr. Saiani graduated from medical school in 2018, 8 years ago.
Does Dr. Rayhan Noah Saiani do research?
Dmand AI links 1 publication to Dr. Saiani.
Who does Dr. Rayhan Noah Saiani publish with?
Dr. Saiani's most frequent co-authors are Lawrence Peter Casalino, MD (1 shared paper) and Dhruv Khullar, MD (1 shared paper).
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