Dr. Raj Ahsan, MD
- Medicare services, 2017
- 112
- Hospital affiliations
- 1
- Medical group
- 1
- State licenses
- 2
- Year NPI issued
- 2010
- Practice address
- 20 York Street, New Haven, CT 06510
- Practice phone
- Call (203) 688-5900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Yale New Haven Psychiatric Hospital (York St)
Psychiatric Inpatient Facility · New Haven, Connecticut
Find Dr. Ahsan'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. Raj Ahsan is an occupational medicine physician in New Haven, Connecticut
Dr. Ahsan practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut.
Dr. Ahsan's NPI, 1659696425, was assigned on April 5, 2010. Dr. Ahsan graduated from SUNY Downstate Health Sciences University in 2010. Dr. Ahsan's Connecticut license number on file is 054311.
- NPI
- 1659696425NPI Registry (opens in a new tab)
- NPI enumeration date
- April 5, 2010
- NPI status
- Active
- Practice phone
- (203) 688-5900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Raj Ahsan practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut
Dr. Ahsan's primary practice is Yale New Haven Psychiatric Hospital (York St), at 20 York Street, New Haven, CT 06510. The practice phone is (203) 688-5900.
- Yale New Haven Psychiatric Hospital (York St)20 York Street, New Haven, CT 06510Phone(203) 688-5900
Source: Dmand AI Affiliation Data
Dr. Raj Ahsan is affiliated with 2 sites of care and 1 medical group
Dr. Ahsan's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut. Dr. Ahsan is also affiliated with Yale New Haven Hospital. The medical group on file is Yale New Haven Hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Raj Ahsan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ahsan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Yale New Haven Psychiatric Hospital (York St) | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Raj Ahsan is one of 17 occupational medicine physicians in Connecticut
Occupational medicine is Dr. Ahsan's primary specialty in the NPI Registry, under taxonomy code 2083X0100X. Dr. Ahsan is board certified in occupational medicine by the American Board of Preventive Medicine. Dmand AI has Dr. Ahsan's licenses on file in 2 states: Connecticut and New York.
Specialties and state licenses
- Occupational medicine, ConnecticutPrimary
- Internal medicine, New York
Occupational medicine physicians near Dr. Ahsan
Counts of occupational medicine physicians 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. Raj Ahsan billed Medicare for 112 services in 2017
CMS data shows 112 Medicare services from Dr. Ahsan across 2 procedure codes in 2017. Medicare paid $9,629 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ahsan's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Office and hospital visits
- 2016: 1112017: 1121%
Dr. Ahsan's most billed Medicare procedure codes, 2017
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Ahsan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ahsan and other occupational medicine physicians in Connecticut.
Source: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data
Dr. Raj Ahsan's patients have a median age of 36
Across all payers, Dmand AI patient panel data puts Dr. Ahsan's median patient age at 36, with 38% women.
Dr. Ahsan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 36
Patient panel by sex, all payers
- Women38%
- Men63%
Source: Dmand AI Patient Panel Data
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Dr. Raj Ahsan graduated from SUNY Downstate Health Sciences University
Dr. Ahsan graduated from SUNY Downstate Health Sciences University in 2010. Dr. Ahsan is a member of ACOEM.
- Medical school
- Board certified in occupational medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Raj Ahsan'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) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Raj Ahsan
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. Raj Ahsan's NPI number?
Dr. Raj Ahsan's NPI number is 1659696425. It was assigned on April 5, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Raj Ahsan?
Dr. Raj Ahsan is an occupational medicine physician in New Haven, Connecticut. The primary specialty in the NPI Registry is Occupational Medicine Physician (taxonomy code 2083X0100X).
Where does Dr. Raj Ahsan practice?
Dr. Ahsan practices at 20 York Street, New Haven, CT 06510. Dr. Ahsan's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut.
What is Dr. Raj Ahsan's office phone number?
The practice phone on file for Dr. Ahsan is (203) 688-5900.
What is Dr. Raj Ahsan's medical license number?
Dr. Ahsan's Connecticut license number on file is 054311, one of the licenses on file in 2 states.
Which states has Dr. Raj Ahsan been licensed in?
Dmand AI has state licenses on file for Dr. Ahsan in Connecticut (2015 to 2025) and New York (2011 to 2023).
Which hospitals is Dr. Raj Ahsan affiliated with?
Dr. Ahsan is affiliated with Yale New Haven Hospital.
What medical group is Dr. Raj Ahsan part of?
Dr. Ahsan is linked to Yale New Haven Hospital.
Does Dr. Raj Ahsan accept Medicare?
Yes. CMS data shows Dr. Ahsan billed Medicare for 112 services in 2017.
Is Dr. Raj Ahsan board certified?
Yes. Dr. Ahsan is board certified in occupational medicine by the American Board of Preventive Medicine.
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What services does Dr. Raj Ahsan bill to Medicare?
In 2017, Dr. Ahsan's most billed Medicare services were hospital inpatient care (99233) and hospital inpatient care (99232).
Where did Dr. Raj Ahsan go to medical school?
Dr. Ahsan graduated from SUNY Downstate Health Sciences University in 2010.
How long has Dr. Raj Ahsan been practicing?
Dr. Ahsan graduated from medical school in 2010, 16 years ago.
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