Eric Marks, MD
NPI 1720089790 · Internal Medicine Physician · Beaumont, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Marks, MD is a Internal Medicine Physician provider in Beaumont, TX (NPI 1720089790).
Provider details
- NPI number
- 1720089790
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- K3325 (TX)
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
20 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 · 61 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 136 | 43 |
| Amlodipine Besylate | 116 | 33 |
| Lisinopril | 84 | 21 |
| Metoprolol Succinate | 77 | 18 |
| Levothyroxine Sodium | 71 | 21 |
| Metformin Hcl | 67 | 17 |
| Albuterol Sulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-02
- Last updated
- 2010-01-27
Frequently asked questions
- What is Eric Marks's NPI number?
- Eric Marks's National Provider Identifier (NPI) is 1720089790, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Marks's specialty?
- Eric Marks is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Marks located?
- Eric Marks's practice location on file with NPPES is 810 Hospital Dr, Beaumont, TX 77701-4600.
- What is Eric Marks's phone number?
- The practice phone number listed in the NPPES registry for Eric Marks is (409) 835-0905.
- Does Eric Marks accept Medicare?
- Eric Marks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Marks's NPI active?
- Yes — Eric Marks's NPI (1720089790) is active in the NPPES registry as of the last update on 2010-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.