Karen Mayer, M.D.
NPI 1760596621 · Internal Medicine Physician · Garner, NC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Mayer, M.D. is a Internal Medicine Physician provider in Garner, NC (NPI 1760596621).
Provider details
- NPI number
- 1760596621
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 95-00663 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
987 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 422 | $120 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 303 | $9 |
| Hemoglobin A1c Level83036 | 88 | $10 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 60 | $169 |
| Administration of Influenza Virus VaccineG0008 | 49 | $30 |
| Automated Urinalysis Test81003 | 40 | $2 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 135 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 795 | 220 |
| Amlodipine Besylate | 764 | 205 |
| Levothyroxine Sodium | 569 | 150 |
| Lisinopril | 416 | 111 |
| Omeprazole | 322 | 94 |
| Gabapentin | 295 | 86 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$62 across 3 records (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
Registry dates
- Enumerated
- 2006-08-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Karen Mayer's NPI number?
- Karen Mayer's National Provider Identifier (NPI) is 1760596621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Mayer's specialty?
- Karen Mayer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Mayer located?
- Karen Mayer's practice location on file with NPPES is 200 Health Park Dr, Garner, NC 27529-4679.
- What is Karen Mayer's phone number?
- The practice phone number listed in the NPPES registry for Karen Mayer is (919) 773-1223.
- Does Karen Mayer accept Medicare?
- Karen Mayer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Mayer's NPI active?
- Yes — Karen Mayer's NPI (1760596621) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.