Mark Weisberg, M.D.
NPI 1568690279 · Internal Medicine Physician · Brownsville, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Weisberg, M.D. is a Internal Medicine Physician provider in Brownsville, TX (NPI 1568690279).
Provider details
- NPI number
- 1568690279
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- P1947 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
4,538 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 1,147 | $146 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 1,129 | $103 |
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 654 | $177 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 396 | $113 |
| Prolonged Home Or Residence Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By the Physician Or QualifG0318 | 326 | $30 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 107 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 237 | 75 |
| Apixabanbrand: Eliquis | 183 | 45 |
| Losartan Potassium | 179 | 44 |
| Furosemide | 161 | 58 |
| Amlodipine Besylate | 158 | 42 |
| Donepezil Hcl | 138 | 29 |
| Levothyroxine Sodium | 136 |
Practice location
Mailing address
Additional practice locations (2)
- 3302 Boca Chica BlvdBrownsville, TX 78521-5193Phone: (956) 982-1001Fax: (956) 982-1938
- 2121 Pease St Ste 1gHarlingen, TX 78550-8348Phone: (956) 545-5351
Registry dates
- Enumerated
- 2009-07-01
- Last updated
- 2025-05-08
- Certified
- 2025-05-08
Frequently asked questions
- What is Mark Weisberg's NPI number?
- Mark Weisberg's National Provider Identifier (NPI) is 1568690279, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Weisberg's specialty?
- Mark Weisberg is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Weisberg located?
- Mark Weisberg's practice location on file with NPPES is 100 E Alton Gloor Blvd, Brownsville, TX 78526-3328.
- What is Mark Weisberg's phone number?
- The practice phone number listed in the NPPES registry for Mark Weisberg is (956) 518-1016.
- Does Mark Weisberg accept Medicare?
- Mark Weisberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Weisberg's NPI active?
- Yes — Mark Weisberg's NPI (1568690279) is active in the NPPES registry as of the last update on 2025-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.