Mark H Gardenswartz, M.D.
Mark H Gardenswartz is a Nephrology Internal Medicine specialist based in New York, NY with over 51 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
With over 51 years in internal medicine, Mark H Gardenswartz, M.D. is a long-established nephrologist in New York. A University of Colorado School of Medicine, Denver graduate since 1975, he brings 51+ years of experience. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and arthritis. CMS MIPS quality score: 91.25/100 (2023).
At a glance
- Prescribes opioids less than 34% of reporting doctors in New York
- Federal MIPS score higher than 50% of MIPS-scored doctors in New York
- Virtual visits available — no app or travel required
Older · 6829dNPPES updated 2007-09-16 · verify NPI on CMS · Verify license at New York State Board for Medicine
How Does This Doctor Compare?
Based on Medicare data, this doctor has an average quality score compared to other doctors in New York, prescribes opioid pain medications conservatively.
MIPS Score
202391.25/100
New York avg: 87 · US avg: 83.6
✓ Higher than most doctors nationally(+7.7 pts)
Average range among MIPS-scored doctors in New YorkHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better0.92%
New York avg: 3.5 · US avg: 5.1
✓ Higher than most doctors nationally(-4.2 pts)
0.92% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Medicare Patients
462
Unique beneficiaries
Standard volumePrescription Recipients
288
Patients prescribed
Prescriptions Written
3,028
Total claims
Total Medicare drug cost: $352k
Percentile rankings compared against 8,064 reporting peers in New York.
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.
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, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+12%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+28%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+23%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+12%) — a focus area for this doctor
The heart cannot pump blood efficiently enough to meet the body's needs
US avg: 22.5%↑ More patients than average (+17%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1975
University of Colorado School of Medicine, Denver
51 years in practice
Senior practitioner
Nephrologists treat kidney diseases including chronic kidney disease, kidney failure requiring dialysis, glomerulonephritis, kidney stones, and electrolyte disorders. They manage dialysis access and kidney transplant follow-up.
Taxonomy: 207RN0300X
Education & Training
University of Colorado School of Medicine, Denver (Class of 1975)
Virtual Internal Medicine Care With Mark H Gardenswartz
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Mark H Gardenswartz for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to New York 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 H Gardenswartz
Dr. Gardenswartz is listed as active in the NPI registry with telehealth listed in New York, NY. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (212) 583-2930.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Mark H Gardenswartz
Practice Location
110 E 59th St, New York, NY 10022-1304
Mailing Address
110 E 59th St, New York, NY 10022-1304
This is a provider directory. Contact the office directly to schedule appointments.
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