Gerald David Oster, PhD
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 5450 Knoll North Drive, Suite 301, Columbia, MD 21045
- Practice phone
- Call (443) 546-1750
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Johns Hopkins Surgery Centers - Knoll North
Surgery Center - Medicare-Certified · Columbia, Maryland
Find Gerald Oster'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.
Gerald David Oster is a psychologist in Columbia, Maryland
Gerald Oster practices at Johns Hopkins Surgery Centers - Knoll North in Columbia, Maryland.
Gerald Oster's NPI, 1528181906, was assigned on April 9, 2007. Gerald Oster holds Maryland license 01755.
- NPI
- 1528181906NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820338015
- NPI enumeration date
- April 9, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (443) 546-1750
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gerald David Oster practices at Johns Hopkins Surgery Centers - Knoll North in Columbia, Maryland
Gerald Oster's primary practice is Johns Hopkins Surgery Centers - Knoll North, at 5450 Knoll North Drive, Suite 301, Columbia, MD 21045. The practice phone is (443) 546-1750.
- Johns Hopkins Surgery Centers - Knoll North5450 Knoll North Drive, Suite 301, Columbia, MD 21045Phone(443) 546-1750
Source: Dmand AI Affiliation Data
Gerald David Oster is affiliated with 1 site of care
Gerald Oster's primary practice is Johns Hopkins Surgery Centers - Knoll North in Columbia, Maryland.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gerald David Oster's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gerald Oster practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Johns Hopkins Surgery Centers - Knoll North | Available with a free account |
Source: Dmand AI Technology Install Data
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Gerald David Oster is one of 261 psychologists in Maryland
Psychologist is Gerald Oster's primary specialty in the NPI Registry, under taxonomy code 103T00000X. Gerald Oster is licensed in Maryland.
Specialties and state licenses
- Psychologist, MarylandPrimary
Psychologists near Gerald Oster
Counts of psychologists 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
Gerald David Oster's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Gerald Oster's median patient age at 64, with 0% women.
Gerald Oster's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Gerald David Oster offers telehealth to Medicare patients
Gerald Oster accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Gerald Oster as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for Gerald David Oster'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 Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Gerald David Oster
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gerald David Oster's NPI number?
Gerald David Oster's NPI number is 1528181906. It was assigned on April 9, 2007, and it is active in the NPI Registry.
What does Gerald David Oster specialize in?
Gerald David Oster is a psychologist in Columbia, Maryland. The primary specialty in the NPI Registry is Psychologist (taxonomy code 103T00000X).
Where does Gerald David Oster practice?
Gerald Oster practices at 5450 Knoll North Drive, Suite 301, Columbia, MD 21045. Gerald Oster's primary practice is Johns Hopkins Surgery Centers - Knoll North in Columbia, Maryland.
What is Gerald David Oster's office phone number?
The practice phone on file for Gerald Oster is (443) 546-1750. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Gerald David Oster's email address?
Dmand AI checks professional and personal email addresses for Gerald Oster through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Gerald David Oster's medical license number?
Gerald Oster holds Maryland license 01755.
Does Gerald David Oster accept Medicare?
Yes. CMS lists Gerald Oster as accepting Medicare assignment.
Does Gerald David Oster offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Gerald Oster as offering telehealth services.
How long has Gerald David Oster been practicing?
Gerald Oster graduated from medical school in 1981, 45 years ago.
What EHR does Gerald David Oster's practice use?
Dmand AI tracks the EHR system at Johns Hopkins Surgery Centers - Knoll North. The vendor and product are available with a free Dmand AI account.
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