Dr. Michael William Witthaus, MD
- Medicare services, 2024
- 2,013
- Medicare patients, 2024
- 357
- Part D claims, 2024
- 704
- MIPS score, 2024
- 100
- Hospital affiliations
- 2
- Practice address
- 12200 Kiln Ct, Beltsville, MD 20705
- Practice phone
- Call (301) 598-9717
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chesapeake Urology Associates
Beltsville, Maryland
Find Dr. Witthaus' professional email, personal email and mobile number
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Dr. Michael William Witthaus is a urologist in Beltsville, Maryland
Dr. Witthaus practices at Chesapeake Urology Associates in Beltsville, Maryland.
Dr. Witthaus' NPI, 1871987180, was assigned on March 25, 2015. Dr. Witthaus graduated from Boston University School of Medicine in 2015. Dr. Witthaus holds California license A174216.
- NPI
- 1871987180NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103162649
- NPI enumeration date
- March 25, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (301) 598-9717
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael William Witthaus practices at Chesapeake Urology Associates in Beltsville, Maryland
Dr. Witthaus' primary practice is Chesapeake Urology Associates, at 12200 Kiln Ct, Beltsville, MD 20705 in Prince Georges County. The practice phone is (301) 598-9717.
- Chesapeake Urology Associates12200 Kiln Ct, Beltsville, MD 20705 · Prince Georges CountyPhone(301) 598-9717
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael William Witthaus is affiliated with 4 sites of care and 1 medical group
Dr. Witthaus' primary practice is Chesapeake Urology Associates in Beltsville, Maryland. Dr. Witthaus is also affiliated with MedStar Southern Maryland Hospital Center. The medical group on file is Chesapeake Urology Associates. Dmand AI also links Dr. Witthaus to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Michael William Witthaus' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Witthaus practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chesapeake Urology Associates | 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. Michael William Witthaus is one of 268 urologists in Maryland
Urology is Dr. Witthaus' primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Witthaus is licensed in California.
Specialties and state licenses
- Urology, CaliforniaPrimary
Urologists near Dr. Witthaus
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 William Witthaus billed Medicare for 2,013 services in 2024
CMS data shows 2,013 Medicare services from Dr. Witthaus across 26 procedure codes in 2024, for 357 Medicare patients. Medicare paid $117,812 for them.
Dr. Witthaus' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6082024: 1,07176%
- Surgery
- 2023: 3582024: 42619%
- Other services
- 2023: 02024: 344
- Imaging
- 2023: 412024: 82100%
- Lab and pathology
- 2023: 752024: 75No change
- Tests and treatments
- 2023: 02024: 15
Where Dr. Witthaus' Medicare services took place, 2024
- In an office1,78689%
- In a facility22711%
Dr. Witthaus compared with the Maryland median for urologists, 2024
- Dr. Witthaus
- Maryland median
- Medicare services
- 2,013vs 2,52220% below
- Medicare patients
- 357vs 69048% below
- Part D claims
- 634vs 6006% above
Medians across 265 urologists in Maryland with Dmand AI profiles that report each measure.
Dr. Witthaus' 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. Witthaus and other urologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael William Witthaus treated 357 Medicare patients in 2024, average age 73
CMS counts 357 Medicare patients who saw Dr. Witthaus in 2024. The largest group is 65 to 74, with 154 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.57, 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. Witthaus' median patient age at 63, with 15% women.
Dr. Witthaus' Medicare patients by age, 2024
Dr. Witthaus' Medicare patients by sex, 2024
- Women6518%
- Men29282%
Chronic conditions among Dr. Witthaus' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Diabetes43%
- Cancer37%
- Chronic kidney disease33%
- Ischemic heart disease32%
- Atrial fibrillation20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Witthaus' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women15%
- Men83%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael William Witthaus wrote 704 Medicare Part D claims in 2024
In 2024, Dr. Witthaus wrote 704 Medicare Part D claims for 194 patients. 93% of them were for generic drugs. CMS names the drug for 634 of them, across 15 drugs with 11 or more claims each, at $72,290 in total drug cost. In 2023, CMS named 301 claims across 8 drugs.
Dr. Witthaus' Part D claims by kind of drug, 2024
- Generic652 claims93%
- Brand-name52 claims7%
Dr. Witthaus' 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. Witthaus' Part D claims, 2024
- Opioids9%62 of 704 claims
- Antibiotics25%175 of 704 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: 3012024: 634111%
Drugs named by CMS: 15 in 2024, 8 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 William Witthaus 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. Witthaus for performance year 2024, reported as part of a group. Dr. Witthaus accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Witthaus as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Witthaus' MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Prostate resection: 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. Michael William Witthaus received $9,286 in industry payments from 2020 to 2025
CMS Open Payments shows 219 general payments to Dr. Witthaus from 37 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 73% of the total. Boston Scientific Corporation paid the most, $3,189.
General payments to Dr. Witthaus by program year, 2020 to 2025
General payments to Dr. Witthaus by kind, 2020 to 2025
- Food and beverage$6,80773%
- Grants$2,00022%
- Travel and lodging$4795%
Companies that paid Dr. Witthaus the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael William Witthaus graduated from Boston University School of Medicine
Dr. Witthaus graduated from Boston University School of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael William Witthaus'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 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. Michael William Witthaus
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 William Witthaus' NPI number?
Dr. Michael William Witthaus' NPI number is 1871987180. It was assigned on March 25, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael William Witthaus?
Dr. Michael William Witthaus is a urologist in Beltsville, Maryland. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Michael William Witthaus practice?
Dr. Witthaus practices at 12200 Kiln Ct, Beltsville, MD 20705. Dr. Witthaus' primary practice is Chesapeake Urology Associates in Beltsville, Maryland. Dmand AI also links Dr. Witthaus to 1 hospital and 1 group practice or clinic.
What is Dr. Michael William Witthaus' office phone number?
The practice phone on file for Dr. Witthaus is (301) 598-9717.
What is Dr. Michael William Witthaus' medical license number?
Dr. Witthaus holds California license A174216.
Which hospitals is Dr. Michael William Witthaus affiliated with?
Dr. Witthaus is affiliated with MedStar Southern Maryland Hospital Center. Dmand AI links Dr. Witthaus to 1 more hospital.
What medical group is Dr. Michael William Witthaus part of?
Dr. Witthaus is linked to Chesapeake Urology Associates.
Does Dr. Michael William Witthaus accept Medicare?
Yes. CMS data shows Dr. Witthaus billed Medicare for 2,013 services in 2024, and Dr. Witthaus accepts Medicare assignment.
Does Dr. Michael William Witthaus offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Witthaus as offering telehealth services.
What is Dr. Michael William Witthaus' MIPS score?
Dr. Witthaus' 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. Michael William Witthaus see?
CMS counts 357 Medicare patients who saw Dr. Witthaus in 2024, with an average age of 73.
What services does Dr. Michael William Witthaus bill to Medicare?
In 2024, Dr. Witthaus' most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and care management and other visits (99426).
Where did Dr. Michael William Witthaus go to medical school?
Dr. Witthaus graduated from Boston University School of Medicine in 2015.
What drugs does Dr. Michael William Witthaus prescribe most?
In 2024 Medicare Part D data, Dr. Witthaus' most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Oxycodone HCl.
Has Dr. Michael William Witthaus received payments from drug or device companies?
CMS Open Payments shows $9,286 in general payments to Dr. Witthaus from 37 companies from 2020 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Michael William Witthaus been practicing?
Dr. Witthaus graduated from medical school in 2015, 11 years ago.
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