John Jacob Daub IV, OD
- Part D claims, 2024
- 134
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2017
- Practice address
- 31 Park Ave, Rutherford, NJ 07070
- Practice phone
- Call (201) 939-2463
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dr. Robert Schorn Purnell
Eye care practice · Rutherford, New Jersey
Find John Daub'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 Jacob Daub IV is an optometrist in Rutherford, New Jersey
John Daub practices at Dr. Robert Schorn Purnell in Rutherford, New Jersey.
John Daub's NPI, 1396254751, was assigned on September 28, 2017. John Daub holds New Jersey license 27OA00674800.
- NPI
- 1396254751NPI Registry (opens in a new tab)
- NPI enumeration date
- September 28, 2017
- NPI status
- Active
- Practice phone
- (201) 939-2463
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Jacob Daub IV practices at Dr. Robert Schorn Purnell in Rutherford, New Jersey
John Daub's primary practice is Dr. Robert Schorn Purnell, at 31 Park Ave, Rutherford, NJ 07070. The practice phone is (201) 939-2463.
- Dr. Robert Schorn Purnell31 Park Ave, Rutherford, NJ 07070Phone(201) 939-2463
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Jacob Daub IV is affiliated with 1 site of care and 1 medical group
John Daub's primary practice is Dr. Robert Schorn Purnell in Rutherford, New Jersey. Dmand AI also links John Daub to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at John Jacob Daub IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Daub practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Robert Schorn Purnell | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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John Jacob Daub IV is one of 1,140 optometrists in New Jersey
Optometrist is John Daub's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Daub is licensed in New Jersey.
Specialties and state licenses
- Optometrist, New JerseyPrimary
Optometrists near John Daub
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 Jacob Daub IV's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts John Daub's median patient age at 70, with 50% women.
John Daub's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women50%
- Men45%
Source: Dmand AI Patient Panel Data
John Jacob Daub IV wrote 134 Medicare Part D claims in 2024
In 2024, John Daub wrote 134 Medicare Part D claims for 52 patients. 72% of them were for generic drugs.
John Daub's Part D claims by kind of drug, 2024
- Generic97 claims72%
- Brand-name37 claims28%
Drug classes CMS tracks in John Daub's Part D claims, 2024
- Antibiotics17%23 of 134 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Sources for John Jacob Daub IV'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 Jacob Daub IV
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 Jacob Daub IV's NPI number?
John Jacob Daub IV's NPI number is 1396254751. It was assigned on September 28, 2017, and it is active in the NPI Registry.
What does John Jacob Daub IV specialize in?
John Jacob Daub IV is an optometrist in Rutherford, New Jersey. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John Jacob Daub IV practice?
John Daub practices at 31 Park Ave, Rutherford, NJ 07070. John Daub's primary practice is Dr. Robert Schorn Purnell in Rutherford, New Jersey. Dmand AI also links John Daub to 1 medical group.
What is John Jacob Daub IV's office phone number?
The practice phone on file for John Daub is (201) 939-2463.
What is John Jacob Daub IV's medical license number?
John Daub holds New Jersey license 27OA00674800.
How long has John Jacob Daub IV been practicing?
John Daub's NPI was assigned in 2017.
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