Karen Leber, MD
NPI 1942232582 · Internal Medicine Physician · Tempe, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Leber, MD is a Internal Medicine Physician provider in Tempe, AZ (NPI 1942232582).
Provider details
- NPI number
- 1942232582
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 23106 (AZ)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
115 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 65 | $64 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 31 | $93 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 19 | $88 |
Typical Medicare-allowed amounts for these services range $64–$93 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 98 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 345 | 93 |
| Atorvastatin Calcium | 278 | 83 |
| Pantoprazole Sodium | 165 | 58 |
| Methylprednisolone | 164 | 113 |
| Losartan Potassium | 153 | 43 |
| Amlodipine Besylate | 125 | 38 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-06
- Last updated
- 2022-07-21
Frequently asked questions
- What is Karen Leber's NPI number?
- Karen Leber's National Provider Identifier (NPI) is 1942232582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Leber's specialty?
- Karen Leber is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Leber located?
- Karen Leber's practice location on file with NPPES is 2034 E Southern Ave Ste M, Tempe, AZ 85282-7511.
- What is Karen Leber's phone number?
- The practice phone number listed in the NPPES registry for Karen Leber is (480) 897-2900.
- Does Karen Leber accept Medicare?
- Karen Leber is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Leber's NPI active?
- Yes — Karen Leber's NPI (1942232582) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.