Karen Berris, MD
NPI 1902008444 · Endocrinology, Diabetes & Metabolism Physician · Farmington Hills, MI
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Berris, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Farmington Hills, MI (NPI 1902008444).
Provider details
- NPI number
- 1902008444
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 4301080081 (MI)
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 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
1,468 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 | 526 | $128 |
| 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 | 516 | $16 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 166 | $3 |
| Hemoglobin A1c Level83036 | 90 | $10 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 76 | $179 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 781 | 219 |
| Tirzepatidebrand: Mounjaro | 267 | 34 |
| Levothyroxine Sodiumbrand: Synthroid | 206 | 60 |
| Metformin Hcl | 196 | 53 |
| Semaglutidebrand: Ozempic | 178 | 45 |
| Metformin Hclbrand: Metformin Hcl Er | 114 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$456 across 29 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
- 2007-06-05
- Last updated
- 2018-05-30
Frequently asked questions
- What is Karen Berris's NPI number?
- Karen Berris's National Provider Identifier (NPI) is 1902008444, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Berris's specialty?
- Karen Berris is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Berris located?
- Karen Berris's practice location on file with NPPES is 32255 Northwestern Hwy Ste 214, Farmington Hills, MI 48334.
- What is Karen Berris's phone number?
- The practice phone number listed in the NPPES registry for Karen Berris is (248) 855-5620.
- Does Karen Berris accept Medicare?
- Karen Berris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Berris's NPI active?
- Yes — Karen Berris's NPI (1902008444) is active in the NPPES registry as of the last update on 2018-05-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.