OrganizationActive
Dr. Mark Glassner
NPI 1134506579 · Primary Care Clinic/Center · Newark, DE
Dr. Mark Glassner is a Primary Care Clinic/Center organization in Newark, DE (NPI 1134506579).
Provider details
- NPI number
- 1134506579
- Entity type
- Organization
- Primary specialty
- Primary Care Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Mark Glassner, Family Physician(302) 369-2751
- License
- LG0000197 (DE)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
Established profile(74/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
324 E Main St
Suite 202
Newark, DE 19711-7150
Phone: (302) 369-2751
Street-level locationGet directions
Mailing address
324 E Main St
Newark, DE 19711-7150
Registry dates
- Enumerated
- 2015-05-06
- Last updated
- 2015-05-06
Frequently asked questions
- What is Dr. Mark Glassner's NPI number?
- Dr. Mark Glassner's National Provider Identifier (NPI) is 1134506579, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr. Mark Glassner?
- Dr. Mark Glassner is classified in the NPPES registry as Primary Care Clinic/Center (Ambulatory Health Care Facilities).
- Where is Dr. Mark Glassner located?
- Dr. Mark Glassner's practice location on file with NPPES is 324 E Main St, Newark, DE 19711-7150.
- What is Dr. Mark Glassner's phone number?
- The practice phone number listed in the NPPES registry for Dr. Mark Glassner is (302) 369-2751.
- Who is the authorized official for Dr. Mark Glassner?
- The authorized official listed on Dr. Mark Glassner's NPPES record is Mark Glassner, Family Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr. Mark Glassner's NPI active?
- Yes — Dr. Mark Glassner's NPI (1134506579) is active in the NPPES registry as of the last update on 2015-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.