Dr. Michael A. Fenstermaker, MD
- Medicare services, 2024
- 38
- Medicare patients, 2024
- 48
- Part D claims, 2024
- 1,507
- Publications
- 13
- Hospital affiliations
- 1
- Practice address
- 1221 Mercantile Lane, Largo, MD 20774
- Practice phone
- Call (301) 300-8733
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ambulatory Surgery Center at Largo Medical Center
Surgery Center - Medicare-Certified · Largo, Maryland
Find Dr. Fenstermaker'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. Michael A. Fenstermaker is a urologist in Upper Marlboro, Maryland
Dr. Fenstermaker practices at Ambulatory Surgery Center at Largo Medical Center in Largo, Maryland.
Dr. Fenstermaker's NPI, 1679952006, was assigned on May 19, 2015. Dr. Fenstermaker graduated from New York University School of Medicine in 2015. Dr. Fenstermaker holds Maryland license D0088762.
- NPI
- 1679952006NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426363458
- NPI enumeration date
- May 19, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (301) 300-8733
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael A. Fenstermaker practices at Ambulatory Surgery Center at Largo Medical Center in Largo, Maryland
Dr. Fenstermaker's primary practice is Ambulatory Surgery Center at Largo Medical Center, at 1221 Mercantile Lane, Largo, MD 20774. The practice phone is (301) 300-8733.
- Ambulatory Surgery Center at Largo Medical Center1221 Mercantile Lane, Largo, MD 20774Phone(301) 300-8733
Source: Dmand AI Affiliation Data
Dr. Michael A. Fenstermaker is affiliated with 3 sites of care and 1 medical group
Dr. Fenstermaker's primary practice is Ambulatory Surgery Center at Largo Medical Center in Largo, Maryland. Dr. Fenstermaker is also affiliated with Holy Cross Hospital. The medical group on file is Mid-Atlantic Permanente Medical Group. Dmand AI also links Dr. Fenstermaker to 1 more dialysis center, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Michael A. Fenstermaker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fenstermaker practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ambulatory Surgery Center at Largo Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael A. Fenstermaker is one of 268 urologists in Maryland
Urology is Dr. Fenstermaker's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Fenstermaker is licensed in Maryland.
Specialties and state licenses
- Urology, MarylandPrimary
Urologists near Dr. Fenstermaker
Counts of urologists 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. Michael A. Fenstermaker billed Medicare for 38 services in 2024
CMS data shows 38 Medicare services from Dr. Fenstermaker across 2 procedure codes in 2024, for 48 Medicare patients. Medicare paid $1,818 for them. Every service was in an office.
Dr. Fenstermaker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 372024: 383%
Dr. Fenstermaker compared with the Maryland median for urologists, 2024
- Dr. Fenstermaker
- Maryland median
- Medicare services
- 38vs 2,52298% below
- Medicare patients
- 48vs 69093% below
- Part D claims
- 1,382vs 6002.3 times
Medians across 265 urologists in Maryland with Dmand AI profiles that report each measure.
Dr. Fenstermaker'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. Fenstermaker and other urologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael A. Fenstermaker treated 48 Medicare patients in 2024, average age 73
CMS counts 48 Medicare patients who saw Dr. Fenstermaker in 2024. The largest group is 65 to 74, with 26 patients. 65% of them have high blood pressure, and 46% have diabetes. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Fenstermaker's median patient age at 64, with 26% women.
Dr. Fenstermaker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Fenstermaker's Medicare patients by sex, 2024
- Women1327%
- Men3573%
Chronic conditions among Dr. Fenstermaker's Medicare patients, 2024
- High blood pressure65%
- Diabetes46%
- High cholesterol44%
- Arthritis29%
- Cancer27%
- Chronic kidney disease25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fenstermaker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women26%
- Men74%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael A. Fenstermaker wrote 1,507 Medicare Part D claims in 2024
In 2024, Dr. Fenstermaker wrote 1,507 Medicare Part D claims for 439 patients. 91% of them were for generic drugs. CMS names the drug for 1,382 of them, across 23 drugs with 11 or more claims each, at $129,719 in total drug cost. In 2023, CMS named 1,189 claims across 17 drugs.
Dr. Fenstermaker's Part D claims by kind of drug, 2024
- Generic1,365 claims91%
- Brand-name and other142 claims9%
Dr. Fenstermaker'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. Fenstermaker's Part D claims, 2024
- Opioids5%74 of 1,507 claims
- Antibiotics19%286 of 1,507 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: 1,1892024: 1,38216%
Drugs named by CMS: 23 in 2024, 17 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. Michael A. Fenstermaker offers telehealth to Medicare patients
Dr. Fenstermaker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Fenstermaker as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Prostate resection: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Michael A. Fenstermaker has 13 publications on record
Dmand AI links 13 papers to Dr. Fenstermaker, published from 2013 to 2023. 2015 was the busiest year, with 4. The most frequent topics are Prostatic Neoplasms, Neoplasm Grading and Prostate-Specific Antigen. Dr. Fenstermaker has published most often in Urology. Dr. Fenstermaker's most frequent co-authors are Xiaosong Meng, MD, PhD, James Steven Wysock, MD and Jonathan Melamed, MD.
Dr. Fenstermaker's papers by year, 2013 to 2023
Topics Dr. Fenstermaker writes about most
- Prostatic Neoplasms
- Neoplasm Grading
- Prostate-Specific Antigen
- Health Knowledge, Attitudes, Practice
- Magnetic Resonance Imaging, Interventional
- Multimodal Imaging
- Prostate
- Ultrasonography, Interventional
Dr. Fenstermaker's most frequent co-authors
- Xiaosong Meng, MD, PhD3 shared papers
- James Steven Wysock, MD3 shared papers
- Jonathan Melamed, MD2 shared papers
Recent publications by Dr. Fenstermaker
Curr Urol Rep
Curr Urol Rep
See who Dr. Fenstermaker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fenstermaker works with, so you can find a warm path to the right urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael A. Fenstermaker graduated from New York University School of Medicine
Dr. Fenstermaker graduated from New York University School of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael A. Fenstermaker'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 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Michael A. Fenstermaker
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. Michael A. Fenstermaker's NPI number?
Dr. Michael A. Fenstermaker's NPI number is 1679952006. It was assigned on May 19, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael A. Fenstermaker?
Dr. Michael A. Fenstermaker is a urologist in Upper Marlboro, Maryland. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Michael A. Fenstermaker practice?
Dr. Fenstermaker practices at 1221 Mercantile Lane, Largo, MD 20774. Dr. Fenstermaker's primary practice is Ambulatory Surgery Center at Largo Medical Center in Largo, Maryland. Dmand AI also links Dr. Fenstermaker to 1 dialysis center.
What is Dr. Michael A. Fenstermaker's office phone number?
The practice phone on file for Dr. Fenstermaker is (301) 300-8733.
What is Dr. Michael A. Fenstermaker's medical license number?
Dr. Fenstermaker holds Maryland license D0088762.
Which hospitals is Dr. Michael A. Fenstermaker affiliated with?
Dr. Fenstermaker is affiliated with Holy Cross Hospital.
What medical group is Dr. Michael A. Fenstermaker part of?
Dr. Fenstermaker is linked to Mid-Atlantic Permanente Medical Group.
Does Dr. Michael A. Fenstermaker accept Medicare?
Yes. CMS data shows Dr. Fenstermaker billed Medicare for 38 services in 2024, and Dr. Fenstermaker accepts Medicare assignment.
Does Dr. Michael A. Fenstermaker offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Fenstermaker as offering telehealth services.
How many Medicare patients does Dr. Michael A. Fenstermaker see?
CMS counts 48 Medicare patients who saw Dr. Fenstermaker in 2024, with an average age of 73.
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What services does Dr. Michael A. Fenstermaker bill to Medicare?
In 2024, Dr. Fenstermaker's most billed Medicare services were care management and other visits (99441) and office visit, established patient (99213).
Where did Dr. Michael A. Fenstermaker go to medical school?
Dr. Fenstermaker graduated from New York University School of Medicine in 2015.
What drugs does Dr. Michael A. Fenstermaker prescribe most?
In 2024 Medicare Part D data, Dr. Fenstermaker's most prescribed drugs by claims were Tamsulosin HCl, Solifenacin Succinate and Finasteride.
How long has Dr. Michael A. Fenstermaker been practicing?
Dr. Fenstermaker graduated from medical school in 2015, 11 years ago.
Does Dr. Michael A. Fenstermaker do research?
Dmand AI links 13 publications to Dr. Fenstermaker, published from 2013 to 2023.
Who does Dr. Michael A. Fenstermaker publish with?
Dr. Fenstermaker's most frequent co-authors are Xiaosong Meng, MD, PhD (3 shared papers), James Steven Wysock, MD (3 shared papers) and Jonathan Melamed, MD (2 shared papers).
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