Mark Glassner, MD
NPI 1396746293 · Family Medicine Physician · Newark, DE
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Glassner, MD is a Family Medicine Physician provider in Newark, DE (NPI 1396746293).
Provider details
- NPI number
- 1396746293
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- C10002162 (DE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 217 | 108 |
| Levothyroxine Sodium | 117 | 68 |
| Metformin Hcl | 111 | 62 |
| Omeprazole | 85 | 52 |
| Losartan Potassium | 65 | 45 |
| Lisinopril | 60 | 35 |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-02
- Last updated
- 2008-08-26
Frequently asked questions
- What is Mark Glassner's NPI number?
- Mark Glassner's National Provider Identifier (NPI) is 1396746293, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Glassner's specialty?
- Mark Glassner is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Glassner located?
- Mark Glassner's practice location on file with NPPES is 324 E Main St, Newark, DE 19711-7150.
- What is Mark Glassner's phone number?
- The practice phone number listed in the NPPES registry for Mark Glassner is (302) 369-2751.
- Does Mark Glassner accept Medicare?
- Mark Glassner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Glassner's NPI active?
- Yes — Mark Glassner's NPI (1396746293) is active in the NPPES registry as of the last update on 2008-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.