John Stephen Rubsam, OD
- Medicare patients, 2024
- 45
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2006
- 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 John Rubsam'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.
John Stephen Rubsam is an optometrist in New Haven, Connecticut
John Rubsam practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut.
John Rubsam's NPI, 1164493391, was assigned on January 27, 2006. John Rubsam graduated from Illinois College of Optometry at Chicago in 1983. John Rubsam holds Connecticut license 1022.
- NPI
- 1164493391NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163694985
- NPI enumeration date
- January 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 688-5900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Stephen Rubsam practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut
John Rubsam'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
John Stephen Rubsam is affiliated with 1 site of care
John Rubsam's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John Stephen Rubsam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Rubsam practices. 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 |
Source: Dmand AI Technology Install Data
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John Stephen Rubsam is one of 468 optometrists in Connecticut
Optometrist is John Rubsam's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Rubsam is licensed in Connecticut.
Specialties and state licenses
- Optometrist, ConnecticutPrimary
Optometrists near John Rubsam
Counts of optometrists 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
John Stephen Rubsam treated 45 Medicare patients in 2024, average age 72
CMS counts 45 Medicare patients who saw John Rubsam in 2024. The largest group is 65 to 74, with 26 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.91, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Rubsam's median patient age at 72, with 50% women.
John Rubsam's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Rubsam's Medicare patients by sex, 2024
- Women2760%
- Men1840%
Chronic conditions among John Rubsam's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Anxiety38%
- Arthritis38%
- Diabetes29%
- Mood disorders27%
- Depression24%
Share of Medicare patients with each condition. A patient can have several.
John Rubsam's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women50%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How John Stephen Rubsam takes part in Medicare
John Rubsam accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
John Stephen Rubsam graduated from Illinois College of Optometry at Chicago
John Rubsam graduated from Illinois College of Optometry at Chicago in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John Stephen Rubsam'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 patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - 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) |
| 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 John Stephen Rubsam
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Stephen Rubsam's NPI number?
John Stephen Rubsam's NPI number is 1164493391. It was assigned on January 27, 2006, and it is active in the NPI Registry.
What does John Stephen Rubsam specialize in?
John Stephen Rubsam is an optometrist in New Haven, Connecticut. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John Stephen Rubsam practice?
John Rubsam practices at 20 York Street, New Haven, CT 06510. John Rubsam's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut.
What is John Stephen Rubsam's office phone number?
The practice phone on file for John Rubsam is (203) 688-5900.
What is John Stephen Rubsam's medical license number?
John Rubsam holds Connecticut license 1022.
Does John Stephen Rubsam accept Medicare?
Yes. CMS lists John Rubsam as accepting Medicare assignment.
How many Medicare patients does John Stephen Rubsam see?
CMS counts 45 Medicare patients who saw John Rubsam in 2024, with an average age of 72.
Where did John Stephen Rubsam go to medical school?
John Rubsam graduated from Illinois College of Optometry at Chicago in 1983.
How long has John Stephen Rubsam been practicing?
John Rubsam graduated from medical school in 1983, 43 years ago.
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