John R. Ferrari, OD
- Medicare patients, 2024
- 34
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 301 Saint Paul Place, Baltimore, MD 21202
- Practice phone
- Call (410) 332-9237
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find John Ferrari'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 R. Ferrari is an optometrist in Baltimore, Maryland
John Ferrari practices at Mercy Medical Center in Baltimore, Maryland, part of Mercy Medical Center.
John Ferrari's NPI, 1154359057, was assigned on June 29, 2006. John Ferrari holds Pennsylvania license OEG000173.
- NPI
- 1154359057NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436365509
- NPI enumeration date
- June 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 332-9237
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 88
- Medical school graduation
- 1964
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John R. Ferrari practices at Mercy Medical Center in Baltimore, Maryland
John Ferrari's primary practice is Mercy Medical Center, at 301 Saint Paul Place, Baltimore, MD 21202 in Baltimore City. The practice phone is (410) 332-9237.
- Mercy Medical Center301 Saint Paul Place, Baltimore, MD 21202 · Baltimore CityPhone(410) 332-9237
Source: Dmand AI Affiliation Data
John R. Ferrari is affiliated with 1 site of care
John Ferrari's primary practice is Mercy Medical Center in Baltimore, Maryland, part of Mercy Medical Center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John R. Ferrari's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Ferrari practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Mercy Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
John R. Ferrari is one of 562 optometrists in Maryland
Optometrist is John Ferrari's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Ferrari is licensed in Pennsylvania.
Specialties and state licenses
- Optometrist, PennsylvaniaPrimary
Optometrists near John Ferrari
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 R. Ferrari treated 34 Medicare patients in 2024, average age 70
CMS counts 34 Medicare patients who saw John Ferrari in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have high cholesterol, and 65% have high blood pressure. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Ferrari's median patient age at 68, with 61% women.
John Ferrari's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Ferrari's Medicare patients by sex, 2024
- Women1544%
- Men1956%
Chronic conditions among John Ferrari's Medicare patients, 2024
- High cholesterol75%
- High blood pressure65%
- Arthritis47%
- Anxiety44%
- Mood disorders32%
Share of Medicare patients with each condition. A patient can have several.
John Ferrari'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
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How John R. Ferrari takes part in Medicare
John Ferrari accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
Sources for John R. Ferrari'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)Doctors and Clinicians Utilization Data (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 John R. Ferrari
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 R. Ferrari's NPI number?
John R. Ferrari's NPI number is 1154359057. It was assigned on June 29, 2006, and it is active in the NPI Registry.
What does John R. Ferrari specialize in?
John R. Ferrari is an optometrist in Baltimore, Maryland. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John R. Ferrari practice?
John Ferrari practices at 301 Saint Paul Place, Baltimore, MD 21202. John Ferrari's primary practice is Mercy Medical Center in Baltimore, Maryland, part of Mercy Medical Center.
What is John R. Ferrari's office phone number?
The practice phone on file for John Ferrari is (410) 332-9237.
What is John R. Ferrari's medical license number?
John Ferrari holds Pennsylvania license OEG000173.
Which hospitals is John R. Ferrari affiliated with?
John Ferrari practices at Mercy Medical Center in Baltimore, Maryland.
Does John R. Ferrari accept Medicare?
Yes. CMS lists John Ferrari as accepting Medicare assignment.
How many Medicare patients does John R. Ferrari see?
CMS counts 34 Medicare patients who saw John Ferrari in 2024, with an average age of 70.
How long has John R. Ferrari been practicing?
John Ferrari graduated from medical school in 1964, 62 years ago.
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