Dr. Mark A. Shanfeld, MD
- Medicare services, 2024
- 897
- Medicare patients, 2024
- 467
- Part D claims, 2024
- 983
- MIPS score, 2024
- 87
- Hospital affiliations
- 3
- Practice address
- 1611 Anne NW St, Bemidji, MN 56601
- Practice phone
- Call (218) 333-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Joe Lueken Cancer Center
Bemidji, Minnesota
Find Dr. Shanfeld's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mark A. Shanfeld is an ophthalmologist in Bemidji, Minnesota
Dr. Shanfeld practices at Joe Lueken Cancer Center in Bemidji, Minnesota.
Dr. Shanfeld's NPI, 1710024435, was assigned on January 31, 2007. Dr. Shanfeld graduated from University of Missouri, Columbia School of Medicine in 1989. Dr. Shanfeld holds Minnesota license 36199.
- NPI
- 1710024435NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143250159
- NPI enumeration date
- January 31, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (218) 333-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark A. Shanfeld practices at Joe Lueken Cancer Center in Bemidji, Minnesota
Dr. Shanfeld's primary practice is Joe Lueken Cancer Center, at 1611 Anne NW St, Bemidji, MN 56601 in Beltrami County. The practice phone is (218) 333-5000.
- Joe Lueken Cancer Center1611 Anne NW St, Bemidji, MN 56601 · Beltrami CountyPhone(218) 333-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark A. Shanfeld is affiliated with 4 sites of care and 1 medical group
Dr. Shanfeld's primary practice is Joe Lueken Cancer Center in Bemidji, Minnesota. Dr. Shanfeld is also affiliated with Sanford Bemidji Medical Center. The medical group on file is Sanford Health Occupational Medicine Clinic Bismarck. Dmand AI also links Dr. Shanfeld to 2 more hospitals, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark A. Shanfeld's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shanfeld practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Joe Lueken Cancer Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark A. Shanfeld is one of 346 ophthalmologists in Minnesota
Ophthalmology is Dr. Shanfeld's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Shanfeld is licensed in Minnesota.
Specialties and state licenses
- Ophthalmology, MinnesotaPrimary
Ophthalmologists near Dr. Shanfeld
Counts of ophthalmologists 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 A. Shanfeld billed Medicare for 897 services in 2024
CMS data shows 897 Medicare services from Dr. Shanfeld across 9 procedure codes in 2024, for 467 Medicare patients. Medicare paid $43,885 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Shanfeld's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 7022024: 6665%
- Office and hospital visits
- 2023: 1802024: 1863%
- Surgery
- 2023: 532024: 4515%
Dr. Shanfeld compared with the Minnesota median for ophthalmologists, 2024
- Dr. Shanfeld
- Minnesota median
- Medicare services
- 897vs 81011% above
- Medicare patients
- 467vs 32643% above
- Part D claims
- 913vs 51777% above
Medians across 364 ophthalmologists in Minnesota with Dmand AI profiles that report each measure.
Dr. Shanfeld'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Shanfeld and other ophthalmologists in Minnesota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark A. Shanfeld treated 467 Medicare patients in 2024, average age 78
CMS counts 467 Medicare patients who saw Dr. Shanfeld in 2024. The largest group is 75 to 84, with 185 patients. 73% of them have high blood pressure, and 71% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Shanfeld's median patient age at 77, with 53% women.
Dr. Shanfeld's Medicare patients by age, 2024
Dr. Shanfeld's Medicare patients by sex, 2024
- Women26857%
- Men19943%
Chronic conditions among Dr. Shanfeld's Medicare patients, 2024
- High blood pressure73%
- High cholesterol71%
- Arthritis49%
- Chronic kidney disease30%
- Ischemic heart disease29%
- Diabetes28%
- Mood disorders20%
- Heart failure19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Shanfeld's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark A. Shanfeld wrote 983 Medicare Part D claims in 2024
In 2024, Dr. Shanfeld wrote 983 Medicare Part D claims for 172 patients. 75% of them were for generic drugs. CMS names the drug for 913 of them, across 17 drugs with 11 or more claims each, at $76,383 in total drug cost. In 2023, CMS named 831 claims across 16 drugs.
Dr. Shanfeld's Part D claims by kind of drug, 2024
- Generic733 claims75%
- Brand-name250 claims25%
Dr. Shanfeld'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 8312024: 91310%
Drugs named by CMS: 17 in 2024, 16 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 A. Shanfeld scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Shanfeld for performance year 2024, reported as part of a group. Dr. Shanfeld accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 60 procedures of cataract surgery by Dr. Shanfeld, more than 66% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Shanfeld's MIPS scores, performance year 2024
- 87of 100Final score
- 74.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Shanfeld ranks in Medicare procedure volume
- Cataract surgery
- 66th percentile60 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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 A. Shanfeld received $259 in industry payments from 2017 to 2025
CMS Open Payments shows 9 general payments to Dr. Shanfeld from 6 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 85% of the total. Sight Sciences, Inc. paid the most, $119.
General payments to Dr. Shanfeld by program year, 2017 to 2025
General payments to Dr. Shanfeld by kind, 2017 to 2025
- Food and beverage$22285%
- Education$3815%
Companies that paid Dr. Shanfeld the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark A. Shanfeld graduated from University of Missouri, Columbia School of Medicine
Dr. Shanfeld graduated from University of Missouri, Columbia School of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark A. Shanfeld'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 A. Shanfeld
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 A. Shanfeld's NPI number?
Dr. Mark A. Shanfeld's NPI number is 1710024435. It was assigned on January 31, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark A. Shanfeld?
Dr. Mark A. Shanfeld is an ophthalmologist in Bemidji, Minnesota. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Mark A. Shanfeld practice?
Dr. Shanfeld practices at 1611 Anne NW St, Bemidji, MN 56601. Dr. Shanfeld's primary practice is Joe Lueken Cancer Center in Bemidji, Minnesota. Dmand AI also links Dr. Shanfeld to 2 hospitals.
What is Dr. Mark A. Shanfeld's office phone number?
The practice phone on file for Dr. Shanfeld is (218) 333-5000.
What is Dr. Mark A. Shanfeld's medical license number?
Dr. Shanfeld holds Minnesota license 36199.
Which hospitals is Dr. Mark A. Shanfeld affiliated with?
Dr. Shanfeld is affiliated with Sanford Bemidji Medical Center. Dmand AI links Dr. Shanfeld to 2 more hospitals.
What medical group is Dr. Mark A. Shanfeld part of?
Dr. Shanfeld is linked to Sanford Health Occupational Medicine Clinic Bismarck.
Does Dr. Mark A. Shanfeld accept Medicare?
Yes. CMS data shows Dr. Shanfeld billed Medicare for 897 services in 2024, and Dr. Shanfeld accepts Medicare assignment.
What is Dr. Mark A. Shanfeld's MIPS score?
Dr. Shanfeld's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Dr. Mark A. Shanfeld see?
CMS counts 467 Medicare patients who saw Dr. Shanfeld in 2024, with an average age of 78.
Show 5 more questionsShow fewer questions
What services does Dr. Mark A. Shanfeld bill to Medicare?
In 2024, Dr. Shanfeld's most billed Medicare services were eye exam or test (92014), office visit, established patient (99213) and eye exam or test (92133).
Where did Dr. Mark A. Shanfeld go to medical school?
Dr. Shanfeld graduated from University of Missouri, Columbia School of Medicine in 1989.
What drugs does Dr. Mark A. Shanfeld prescribe most?
In 2024 Medicare Part D data, Dr. Shanfeld's most prescribed drugs by claims were Latanoprost, Timolol Maleate and Dorzolamide-Timolol.
Has Dr. Mark A. Shanfeld received payments from drug or device companies?
CMS Open Payments shows $259 in general payments to Dr. Shanfeld from 6 companies from 2017 to 2025. The largest total came from Sight Sciences, Inc.
How long has Dr. Mark A. Shanfeld been practicing?
Dr. Shanfeld graduated from medical school in 1989, 37 years ago.
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