Karen Ganz, M.D.
NPI 1851464093 · Internal Medicine Physician · Burlington, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Ganz, M.D. is a Internal Medicine Physician provider in Burlington, MA (NPI 1851464093).
Provider details
- NPI number
- 1851464093
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 230463 (MA)
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
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
1,057 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) |
|---|---|---|
| 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'SG2211 | 385 | $18 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 327 | $103 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 208 | $70 |
| 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'SG2211 | 46 | $18 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians and |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 100 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 541 | 171 |
| Amlodipine Besylate | 394 | 123 |
| Lisinopril | 296 | 94 |
| Levothyroxine Sodium | 270 | 84 |
| Hydrochlorothiazide | 205 | 68 |
| Losartan Potassium | 204 | 63 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-16
- Last updated
- 2021-04-15
- Certified
- 2021-04-15
Frequently asked questions
- What is Karen Ganz's NPI number?
- Karen Ganz's National Provider Identifier (NPI) is 1851464093, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Ganz's specialty?
- Karen Ganz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Ganz located?
- Karen Ganz's practice location on file with NPPES is 67 S Bedford St Ste 202e, Burlington, MA 01803-5141.
- What is Karen Ganz's phone number?
- The practice phone number listed in the NPPES registry for Karen Ganz is (781) 744-7000.
- Does Karen Ganz accept Medicare?
- Karen Ganz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Ganz's NPI active?
- Yes — Karen Ganz's NPI (1851464093) is active in the NPPES registry as of the last update on 2021-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.