Mark A. Clemence, M.D.

Internal Medicine

Also practices: INFECTIOUS DISEASE

(414) 425-5351Hales Corners, WI
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

With over 40 years in internal medicine, Mark a. Clemence, M.D. is a long-established internist in Hales Corners. He has been in practice for 40+ years. He regularly sees Medicare patients with hypertension, arthritis, and high cholesterol (per CMS claims data). CMS MIPS quality score: 82.4/100 (2023).

At a glance

  • Prescribes opioids less than 35% of reporting doctors in Wisconsin
  • Uses generic medications more than 65% of reporting doctors in Wisconsin
  • Federal MIPS score higher than 66% of MIPS-scored doctors in Wisconsin
  • Virtual visits available — no app or travel required
1 of 299 Internal Medicine providers in WISee all Internal Medicine in Hales Corners40+ years experienceNPI since 2005

Older · 6379dNPPES updated 2008-11-17 · verify on CMS

Contact & Location

Practice Location

6080 S 108th St, Hales Corners, WI 53130-2557

Fax: (414) 529-6350
CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor has an average quality score compared to other doctors in Wisconsin, prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.

MIPS Score

2023

82.4/100

Wisconsin avg: 82.1 · US avg: 83.6

Lower than most doctors nationally(-1.2 pts)

Average range among MIPS-scored doctors in Wisconsin

How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.

Opioid Rx

↓ Lower = better

2.49%

Wisconsin avg: 4.3 · US avg: 5.1

Higher than most doctors nationally(-2.6 pts)

2.49% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Generic Rx

↑ Higher = better

89.4%

Wisconsin avg: 82.2 · US avg: 82.8

Higher than most doctors nationally(+6.6 pts)

Typical range among reporting doctors in Wisconsin

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

300

Unique beneficiaries

Standard volume

Prescription Recipients

903

Patients prescribed

Prescriptions Written

12,495

Total claims

Total Medicare drug cost: $846k

Percentile rankings compared against 779 reporting peers in Wisconsin.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages Hypertension, Arthritis, and High Cholesterol.

Hypertension
Lower than avg (-14%)56%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↓ Fewer patients than average (-14%) — less common here

Arthritis
49%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%
High Cholesterol
Lower than avg (-26%)44%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↓ Fewer patients than average (-26%) — less common here

Ischemic Heart Disease
Lower than avg (-4%)28%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

US avg: 31.7%

↓ Fewer patients than average (-4%) — less common here

Diabetes
Lower than avg (-12%)22%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↓ Fewer patients than average (-12%) — less common here

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Industry Payment Transparency

$532 received from industry

80 transactions reported in 2018 ·Moderate tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2018, attributed to Mark a. Clemence's NPI.

Patient Reviews

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. 40 years in practice

    Senior practitioner

Internal MedicineAllopathic & Osteopathic Physicians

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Taxonomy: 207R00000X

Practice Footprint

Mailing address

Po Box 689711, Milwaukee, WI 53268-9711

Differs from practice location

Virtual Internal Medicine Care With Mark a. Clemence

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Mark a. Clemence for blood pressure monitoring, arthritis follow-ups, cholesterol management — no travel to Hales Corners required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Mark a. Clemence

NPI records show Dr. Clemence as active with telehealth listed in Hales Corners, WI. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (414) 425-5351.

Verified across 6 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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