Michael John Ritmiller, PA

  • Oxon Hill, MD
  • Physician assistant
NPI1063473601
Medicare patients, 2024
365
Part D claims, 2024
1,023
MIPS score, 2024
100
Industry payments
$468
Affiliated sites
1
Practice address
251 National Harbor Blvd, Oxon Hill, MD 20745
Practice phone
Call (855) 527-7246
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Clearway Surgery Center of National Harbor LLC

Oxon Hill, Maryland

See all 3 affiliations

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Michael John Ritmiller is a physician assistant in Oxon Hill, Maryland

Michael Ritmiller practices at Clearway Surgery Center of National Harbor LLC in Oxon Hill, Maryland.

Michael Ritmiller's NPI, 1063473601, was assigned on March 31, 2006.

NPI and contact details
NPI enumeration date
March 31, 2006
NPI status
Active
Practice phone
(855) 527-7246
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
47
Medical school graduation
2005

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

Michael John Ritmiller practices at Clearway Surgery Center of National Harbor LLC in Oxon Hill, Maryland

Michael Ritmiller's primary practice is Clearway Surgery Center of National Harbor LLC, at 251 National Harbor Blvd, Oxon Hill, MD 20745 in Prince Georges County. The practice phone is (855) 527-7246.

  • Clearway Surgery Center of National Harbor LLC
    251 National Harbor Blvd, Oxon Hill, MD 20745 · Prince Georges CountyPhone(855) 527-7246

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Michael John Ritmiller is affiliated with 2 sites of care and 1 medical group

Michael Ritmiller's primary practice is Clearway Surgery Center of National Harbor LLC in Oxon Hill, Maryland. The medical group on file is Chesapeake Urology Associates. Dmand AI also links Michael Ritmiller to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Michael Ritmiller

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Michael John Ritmiller's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Michael Ritmiller practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Clearway Surgery Center of National Harbor LLCAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Michael John Ritmiller is one of 2,452 physician assistants in Maryland

Physician assistant is Michael Ritmiller's primary specialty in the NPI Registry, under taxonomy code 363A00000X.

Specialties and state licenses

  • Physician assistantPrimarytaxonomy 363A00000X

Physician assistants near Michael Ritmiller

Counts of physician assistants 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

Michael John Ritmiller treated 365 Medicare patients in 2024, average age 70

CMS counts 365 Medicare patients who saw Michael Ritmiller in 2024. The largest group is 65 to 74, with 121 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 2.09, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Michael Ritmiller's median patient age at 67, with 35% women.

Medicare patients, 2024365
Average age70
Average risk score2.09
Also on Medicaid31%

Michael Ritmiller's Medicare patients by age, 2024

Michael Ritmiller's Medicare patients by sex, 2024

  • Women12033%
  • Men24567%

Chronic conditions among Michael Ritmiller's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis48%
  4. Diabetes44%
  5. Mood disorders40%
  6. Depression36%
  7. Anxiety33%
  8. Chronic kidney disease33%

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

Michael Ritmiller'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

  • Women35%
  • Men64%

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

Michael John Ritmiller wrote 1,023 Medicare Part D claims in 2024

In 2024, Michael Ritmiller wrote 1,023 Medicare Part D claims for 235 patients. 71% of them were for generic drugs.

Part D claims, 20241,023
Part D patients235

Michael Ritmiller's Part D claims by kind of drug, 2024

  • Generic725 claims71%
  • Brand-name and other298 claims29%

Drug classes CMS tracks in Michael Ritmiller's Part D claims, 2024

  • Antibiotics31%322 of 1,023 claims

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

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Michael John Ritmiller 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 Michael Ritmiller for performance year 2024, reported as part of a group.

Michael Ritmiller's 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.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Michael John Ritmiller received $468 in industry payments in 2025

CMS Open Payments shows 16 general payments to Michael Ritmiller from 9 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Sumitomo Pharma America, Inc. paid the most, $165.

Companies that paid Michael Ritmiller the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Michael Ritmiller

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Michael John Ritmiller'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
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 (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Michael John Ritmiller

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

What is Michael John Ritmiller's NPI number?

Michael John Ritmiller's NPI number is 1063473601. It was assigned on March 31, 2006, and it is active in the NPI Registry.

What does Michael John Ritmiller specialize in?

Michael John Ritmiller is a physician assistant in Oxon Hill, Maryland. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Michael John Ritmiller practice?

Michael Ritmiller practices at 251 National Harbor Blvd, Oxon Hill, MD 20745. Michael Ritmiller's primary practice is Clearway Surgery Center of National Harbor LLC in Oxon Hill, Maryland. Dmand AI also links Michael Ritmiller to 1 group practice or clinic.

What is Michael John Ritmiller's office phone number?

The practice phone on file for Michael Ritmiller is (855) 527-7246.

What medical group is Michael John Ritmiller part of?

Michael Ritmiller is linked to Chesapeake Urology Associates.

What is Michael John Ritmiller's MIPS score?

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

How many Medicare patients does Michael John Ritmiller see?

CMS counts 365 Medicare patients who saw Michael Ritmiller in 2024, with an average age of 70.

Has Michael John Ritmiller received payments from drug or device companies?

CMS Open Payments shows $468 in general payments to Michael Ritmiller from 9 companies from 2025 to 2025. The largest total came from Sumitomo Pharma America, Inc.

How long has Michael John Ritmiller been practicing?

Michael Ritmiller graduated from medical school in 2005, 21 years ago.

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