Dr. Gregory Stanley Zolkowski, DO

  • Potosi, MO
  • Family medicine physician
NPI1619959145PAC ID3375548068
Medicare services, 2024
191
Medicare patients, 2024
123
Part D claims, 2024
436
MIPS score, 2024
100
Hospital affiliations
2
Practice address
300 Health Way, Potosi, MO 63664
Practice phone
Call (573) 438-5451
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Washington County Memorial Hospital

Hospital · Potosi, Missouri

See all 6 affiliations

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Dr. Gregory Stanley Zolkowski is a family medicine physician in Potosi, Missouri

Dr. Zolkowski practices at Washington County Memorial Hospital in Potosi, Missouri, part of Washington County Memorial Hospital.

Dr. Zolkowski's NPI, 1619959145, was assigned on November 18, 2005. Dr. Zolkowski graduated from Midwestern University, Chicago College of Osteopathic Med in 1987. Dr. Zolkowski holds Missouri license 101186.

NPI and contact details
Medicare PAC ID
3375548068
NPI enumeration date
November 18, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(573) 438-5451
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
65
Medical school graduation
1987

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Gregory Stanley Zolkowski practices at Washington County Memorial Hospital in Potosi, Missouri

Dr. Zolkowski's primary practice is Washington County Memorial Hospital, at 300 Health Way, Potosi, MO 63664 in Washington County. The practice phone is (573) 438-5451.

Source: Dmand AI Affiliation Data

Dr. Gregory Stanley Zolkowski is affiliated with 3 sites of care and 3 medical groups

Dr. Zolkowski's primary practice is Washington County Memorial Hospital in Potosi, Missouri, part of Washington County Memorial Hospital. Dr. Zolkowski is also affiliated with Missouri Delta Medical Center. The medical group on file is SCP Health. Dmand AI also links Dr. Zolkowski to 2 more medical groups and 1 physician office, each named with a free account.

See all 6 affiliations for Dr. Zolkowski

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Gregory Stanley Zolkowski's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zolkowski practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Washington County Memorial HospitalAvailable with a free account
+2 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gregory Stanley Zolkowski is one of 2,412 family medicine physicians in Missouri

Family medicine is Dr. Zolkowski's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Zolkowski's licenses on file in 2 states: Missouri and Arkansas.

Specialties and state licenses

  • Family medicine, MissouriPrimaryLicense 101186 · taxonomy 207Q00000X
  • Emergency medicine, ArkansasLicense E-11776 · taxonomy 207P00000X

Family medicine physicians near Dr. Zolkowski

Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Gregory Stanley Zolkowski billed Medicare for 191 services in 2024

CMS data shows 191 Medicare services from Dr. Zolkowski across 4 procedure codes in 2024, for 123 Medicare patients. Medicare paid $16,542 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024191
Medicare patients123
Paid by Medicare$16,542
Procedure codes4

Dr. Zolkowski's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2012024: 14627%
Tests and treatments
2023: 542024: 4517%

Dr. Zolkowski compared with the Missouri median for family medicine physicians, 2024

  • Dr. Zolkowski
  • Missouri median
Medicare services
191vs 33343% below
Medicare patients
123vs 15621% below
Part D claims
230vs 1,23181% below

Medians across 2,555 family medicine physicians in Missouri with Dmand AI profiles that report each measure.

Dr. Zolkowski's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Zolkowski

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Gregory Stanley Zolkowski treated 123 Medicare patients in 2024, average age 70

CMS counts 123 Medicare patients who saw Dr. Zolkowski in 2024. The largest group is under 65, with 37 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 39% are also on Medicaid. Their average risk score is 2.07, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Zolkowski's median patient age at 67, with 50% women.

Medicare patients, 2024123
Average age70
Average risk score2.07
Also on Medicaid39%

Dr. Zolkowski's Medicare patients by age, 2024

Dr. Zolkowski's Medicare patients by sex, 2024

  • Women6654%
  • Men5746%

Chronic conditions among Dr. Zolkowski's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol72%
  3. Arthritis54%
  4. Anxiety53%
  5. Diabetes50%
  6. Ischemic heart disease46%
  7. Chronic kidney disease40%
  8. Mood disorders40%

Share of Medicare patients with each condition. A patient can have several.

Dr. Zolkowski's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women50%
  • Men49%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Gregory Stanley Zolkowski wrote 436 Medicare Part D claims in 2024

In 2024, Dr. Zolkowski wrote 436 Medicare Part D claims for 191 patients. 93% of them were for generic drugs. CMS names the drug for 230 of them, across 9 drugs with 11 or more claims each, at $1,106 in total drug cost. In 2023, CMS named 227 claims across 9 drugs.

Part D claims, 2024436
Drugs named by CMS9
Total drug cost$1,106
Part D patients191

Dr. Zolkowski's Part D claims by kind of drug, 2024

  • Generic407 claims93%
  • Brand-name29 claims7%

Dr. Zolkowski's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Zolkowski's Part D claims, 2024

  • Opioids8%34 of 436 claims
  • Antibiotics26%113 of 436 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2272024: 2301%

Drugs named by CMS: 9 in 2024, 9 in 2023.

See all prescribing by Dr. Zolkowski

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Gregory Stanley Zolkowski scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Zolkowski for performance year 2024, reported as part of a group. Dr. Zolkowski accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Zolkowski's MIPS scores, performance year 2024

  • 100of 100Final score
  • 100of 100Quality
  • 40of 100Improvement Activities
  • 100of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Gregory Stanley Zolkowski graduated from Midwestern University, Chicago College of Osteopathic Med

Dr. Zolkowski graduated from Midwestern University, Chicago College of Osteopathic Med in 1987.

  1. Medical schoolMidwestern University, Chicago College of Osteopathic Med

Source: Dmand AI Professional Profile Data

Sources for Dr. Gregory Stanley Zolkowski's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Gregory Stanley Zolkowski

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Gregory Stanley Zolkowski's NPI number?

Dr. Gregory Stanley Zolkowski's NPI number is 1619959145. It was assigned on November 18, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Gregory Stanley Zolkowski?

Dr. Gregory Stanley Zolkowski is a family medicine physician in Potosi, Missouri. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).

Where does Dr. Gregory Stanley Zolkowski practice?

Dr. Zolkowski practices at 300 Health Way, Potosi, MO 63664. Dr. Zolkowski's primary practice is Washington County Memorial Hospital in Potosi, Missouri, part of Washington County Memorial Hospital. Dmand AI also links Dr. Zolkowski to 2 medical groups and 1 physician office.

What is Dr. Gregory Stanley Zolkowski's office phone number?

The practice phone on file for Dr. Zolkowski is (573) 438-5451.

What is Dr. Gregory Stanley Zolkowski's medical license number?

Dr. Zolkowski holds Missouri license 101186, one of the licenses on file in 2 states.

Which states has Dr. Gregory Stanley Zolkowski been licensed in?

Dmand AI has state licenses on file for Dr. Zolkowski in Missouri and Arkansas.

Which hospitals is Dr. Gregory Stanley Zolkowski affiliated with?

Dr. Zolkowski practices at Washington County Memorial Hospital in Potosi, Missouri. Dr. Zolkowski is also affiliated with Missouri Delta Medical Center.

What medical group is Dr. Gregory Stanley Zolkowski part of?

Dr. Zolkowski is linked to SCP Health. Dmand AI links Dr. Zolkowski to 2 more medical groups.

Does Dr. Gregory Stanley Zolkowski accept Medicare?

Yes. CMS data shows Dr. Zolkowski billed Medicare for 191 services in 2024, and Dr. Zolkowski accepts Medicare assignment.

What is Dr. Gregory Stanley Zolkowski's MIPS score?

Dr. Zolkowski's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.

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How many Medicare patients does Dr. Gregory Stanley Zolkowski see?

CMS counts 123 Medicare patients who saw Dr. Zolkowski in 2024, with an average age of 70.

What services does Dr. Gregory Stanley Zolkowski bill to Medicare?

In 2024, Dr. Zolkowski's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).

Where did Dr. Gregory Stanley Zolkowski go to medical school?

Dr. Zolkowski graduated from Midwestern University, Chicago College of Osteopathic Med in 1987.

What drugs does Dr. Gregory Stanley Zolkowski prescribe most?

In 2024 Medicare Part D data, Dr. Zolkowski's most prescribed drugs by claims were Cephalexin, Meloxicam and Prednisone.

How long has Dr. Gregory Stanley Zolkowski been practicing?

Dr. Zolkowski graduated from medical school in 1987, 39 years ago.

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