Karen Weber, DO
NPI 1255382677 · Internal Medicine Physician · Marana, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Weber, DO is a Internal Medicine Physician provider in Marana, AZ (NPI 1255382677).
Provider details
- NPI number
- 1255382677
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 40375 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 141 | 50 |
| Losartan Potassium | 95 | 30 |
| Lisinopril | 94 | 33 |
| Levothyroxine Sodium | 88 | 31 |
| Amlodipine Besylate | 83 | 31 |
| Pantoprazole Sodium | 45 | 16 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$25 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1960 Ogden St Ste 400Denver, CO 80218-3670Phone: (303) 318-1540Fax: (303) 318-2481
Registry dates
- Enumerated
- 2006-05-12
- Last updated
- 2021-07-22
- Certified
- 2021-07-22
Frequently asked questions
- What is Karen Weber's NPI number?
- Karen Weber's National Provider Identifier (NPI) is 1255382677, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Weber's specialty?
- Karen Weber is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Weber located?
- Karen Weber's practice location on file with NPPES is 13395 N Marana Main St, Marana, AZ 85653-7008.
- What is Karen Weber's phone number?
- The practice phone number listed in the NPPES registry for Karen Weber is (520) 682-4111.
- Does Karen Weber accept Medicare?
- Karen Weber is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Weber's NPI active?
- Yes — Karen Weber's NPI (1255382677) is active in the NPPES registry as of the last update on 2021-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.