Dr. Mark R. Fantaski, MD
- Medicare services, 2024
- 741
- Medicare patients, 2024
- 272
- Part D claims, 2024
- 11,608
- MIPS score, 2024
- 84
- Hospital affiliations
- 8
- Practice address
- 200 Lothrop Street, Pittsburgh, PA 15213
- Practice phone
- Call (412) 647-2345
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Fantaski's professional email, personal email and mobile number
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Dr. Mark R. Fantaski is an internist in Pittsburgh, Pennsylvania
Dr. Fantaski practices at UPMC Presbyterian in Pittsburgh, Pennsylvania, part of University of Pittsburgh Medical Center.
Dr. Fantaski's NPI, 1689651630, was assigned on December 29, 2005. Dr. Fantaski graduated from Jefferson Medical College of Thomas Jefferson University in 1990. Dr. Fantaski holds Pennsylvania license MD048987L.
- NPI
- 1689651630NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638133929
- NPI enumeration date
- December 29, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (412) 647-2345
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark R. Fantaski practices at UPMC Presbyterian in Pittsburgh, Pennsylvania
Dr. Fantaski's primary practice is UPMC Presbyterian, at 200 Lothrop Street, Pittsburgh, PA 15213 in Allegheny County. The practice phone is (412) 647-2345.
- UPMC Presbyterian200 Lothrop Street, Pittsburgh, PA 15213 · Allegheny CountyPhone(412) 647-2345
Source: Dmand AI Affiliation Data
Dr. Mark R. Fantaski is affiliated with 10 sites of care and 2 medical groups
Dr. Fantaski's primary practice is UPMC Presbyterian in Pittsburgh, Pennsylvania, part of University of Pittsburgh Medical Center. Dr. Fantaski is also affiliated with Select Specialty Hospital - Pittsburgh / UPMC. The medical group on file is Stull, Jarvis, and Spinola Internal Medicine Associates-UPMC. Dmand AI also links Dr. Fantaski to 6 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark R. Fantaski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fantaski practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UPMC Presbyterian | Available with a free account |
| +9 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark R. Fantaski is one of 5,665 internists in Pennsylvania
Internal medicine is Dr. Fantaski's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Fantaski is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. Fantaski
Counts of internists 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. Mark R. Fantaski billed Medicare for 741 services in 2024
CMS data shows 741 Medicare services from Dr. Fantaski across 7 procedure codes in 2024, for 272 Medicare patients. Medicare paid $60,055 for them. Every service was in an office.
Dr. Fantaski's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3112024: 42236%
- Other services
- 2023: 2382024: 2515%
- Tests and treatments
- 2023: 672024: 681%
Dr. Fantaski compared with the Pennsylvania median for internists, 2024
- Dr. Fantaski
- Pennsylvania median
- Medicare services
- 741vs 41778% above
- Medicare patients
- 272vs 18547% above
- Part D claims
- 10,876vs 22448.6 times
Medians across 5,518 internists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Fantaski'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark R. Fantaski treated 272 Medicare patients in 2024, average age 73
CMS counts 272 Medicare patients who saw Dr. Fantaski in 2024. The largest group is 65 to 74, with 163 patients. 75% of them have high cholesterol, and 69% have high blood pressure. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Fantaski's median patient age at 69, with 38% women.
Dr. Fantaski's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Fantaski's Medicare patients by sex, 2024
- Women11342%
- Men15958%
Chronic conditions among Dr. Fantaski's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis40%
- Ischemic heart disease21%
- Anxiety18%
- Diabetes18%
- Cancer16%
- Atrial fibrillation14%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fantaski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women38%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark R. Fantaski wrote 11,608 Medicare Part D claims in 2024
In 2024, Dr. Fantaski wrote 11,608 Medicare Part D claims for 1,027 patients. 90% of them were for generic drugs. CMS names the drug for 10,876 of them, across 137 drugs with 11 or more claims each, at $828,905 in total drug cost. In 2023, CMS named 9,844 claims across 128 drugs.
Dr. Fantaski's Part D claims by kind of drug, 2024
- Generic10,505 claims90%
- Brand-name1,063 claims9%
- Other40 claims0%
Dr. Fantaski'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. Fantaski's Part D claims, 2024
- Opioids2%179 of 11,608 claims
- Antibiotics3%389 of 11,608 claims
- Antipsychotics, patients 65 and over0%12 of 11,608 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: 9,8442024: 10,87610%
Drugs named by CMS: 137 in 2024, 128 in 2023.
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. Mark R. Fantaski scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Fantaski for performance year 2024, reported as part of a group. Dr. Fantaski accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Fantaski as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Fantaski's MIPS scores, performance year 2024
- 84of 100Final score
- 70.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Mark R. Fantaski received $1,559 in industry payments from 2016 to 2025
CMS Open Payments shows 39 general payments to Dr. Fantaski from 19 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Phathom Pharmaceuticals, Inc. paid the most, $270.
General payments to Dr. Fantaski by program year, 2016 to 2025
General payments to Dr. Fantaski by kind, 2016 to 2025
- Food and beverage$1,54899%
- Education$111%
Companies that paid Dr. Fantaski the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark R. Fantaski graduated from Jefferson Medical College of Thomas Jefferson University
Dr. Fantaski graduated from Jefferson Medical College of Thomas Jefferson University in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark R. Fantaski's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mark R. Fantaski
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. Mark R. Fantaski's NPI number?
Dr. Mark R. Fantaski's NPI number is 1689651630. It was assigned on December 29, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark R. Fantaski?
Dr. Mark R. Fantaski is an internist in Pittsburgh, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mark R. Fantaski practice?
Dr. Fantaski practices at 200 Lothrop Street, Pittsburgh, PA 15213. Dr. Fantaski's primary practice is UPMC Presbyterian in Pittsburgh, Pennsylvania, part of University of Pittsburgh Medical Center. Dmand AI also links Dr. Fantaski to 6 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Mark R. Fantaski's office phone number?
The practice phone on file for Dr. Fantaski is (412) 647-2345.
What is Dr. Mark R. Fantaski's medical license number?
Dr. Fantaski holds Pennsylvania license MD048987L.
Which hospitals is Dr. Mark R. Fantaski affiliated with?
Dr. Fantaski practices at UPMC Presbyterian in Pittsburgh, Pennsylvania. Dr. Fantaski is also affiliated with Select Specialty Hospital - Pittsburgh / UPMC. Dmand AI links Dr. Fantaski to 6 more hospitals.
What medical group is Dr. Mark R. Fantaski part of?
Dr. Fantaski is linked to Stull, Jarvis, and Spinola Internal Medicine Associates-UPMC. Dmand AI links Dr. Fantaski to 1 more medical group.
Does Dr. Mark R. Fantaski accept Medicare?
Yes. CMS data shows Dr. Fantaski billed Medicare for 741 services in 2024, and Dr. Fantaski accepts Medicare assignment.
Does Dr. Mark R. Fantaski offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Fantaski as offering telehealth services.
What is Dr. Mark R. Fantaski's MIPS score?
Dr. Fantaski's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Mark R. Fantaski see?
CMS counts 272 Medicare patients who saw Dr. Fantaski in 2024, with an average age of 73.
What services does Dr. Mark R. Fantaski bill to Medicare?
In 2024, Dr. Fantaski's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
Where did Dr. Mark R. Fantaski go to medical school?
Dr. Fantaski graduated from Jefferson Medical College of Thomas Jefferson University in 1990.
What drugs does Dr. Mark R. Fantaski prescribe most?
In 2024 Medicare Part D data, Dr. Fantaski's most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Amlodipine Besylate.
Has Dr. Mark R. Fantaski received payments from drug or device companies?
CMS Open Payments shows $1,559 in general payments to Dr. Fantaski from 19 companies from 2016 to 2025. The largest total came from Phathom Pharmaceuticals, Inc.
How long has Dr. Mark R. Fantaski been practicing?
Dr. Fantaski graduated from medical school in 1990, 36 years ago.
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