Maria Beg, MD
NPI 1992974703 · Internal Medicine Physician · Mequon, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Beg, MD is a Internal Medicine Physician provider in Mequon, WI (NPI 1992974703).
Provider details
- NPI number
- 1992974703
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 51701 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
359 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 130 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 70 | $86 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 57 | $173 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 43 | $125 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 20 | $106 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 83 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 182 | 45 |
| Amlodipine Besylate | 144 | 46 |
| Losartan Potassium | 138 | 42 |
| Levothyroxine Sodium | 123 | 35 |
| Rosuvastatin Calcium | 103 | 31 |
| Montelukast Sodium | 62 | 12 |
| Sertraline Hcl |
Practice location
Mailing address
Additional practice locations (1)
- N143 W6515 Pioneer RoadCedarburg, WI 53012-2705Phone: (262) 377-6933Fax: (262) 376-2495
Registry dates
- Enumerated
- 2008-02-26
- Last updated
- 2022-12-02
- Certified
- 2022-12-02
Frequently asked questions
- What is Maria Beg's NPI number?
- Maria Beg's National Provider Identifier (NPI) is 1992974703, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Beg's specialty?
- Maria Beg is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Beg located?
- Maria Beg's practice location on file with NPPES is 11430 N Port Washington Rd, Mequon, WI 53092-3414.
- What is Maria Beg's phone number?
- The practice phone number listed in the NPPES registry for Maria Beg is (262) 518-1900.
- Does Maria Beg accept Medicare?
- Maria Beg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Beg's NPI active?
- Yes — Maria Beg's NPI (1992974703) is active in the NPPES registry as of the last update on 2022-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.