Dr. Kathryn Marie Ritter, MD

  • Baltimore, MD
  • Emergency medicine physician
NPI1295267839PAC ID3375814676
Medicare services, 2024
360
Medicare patients, 2024
358
MIPS score, 2024
83
Hospital affiliations
2
Medical group
1
Practice address
600 N Wolfe St, Baltimore, MD 21287
Practice phone
Call (855) 662-3017
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Johns Hopkins Hospital Nelson/Harvey Building

Baltimore, Maryland

See all 4 affiliations

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Dr. Kathryn Marie Ritter is an emergency medicine physician in Baltimore, Maryland

Dr. Ritter practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland.

Dr. Ritter's NPI, 1295267839, was assigned on April 2, 2017. Dr. Ritter graduated from University of Wisconsin School of Medicine in 2017. Dr. Ritter holds Maryland license D96294.

NPI and contact details
Medicare PAC ID
3375814676
NPI enumeration date
April 2, 2017
NPI status
Active
Practice phone
(855) 662-3017
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
35
Medical school graduation
2017

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

Dr. Kathryn Marie Ritter practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland

Dr. Ritter's primary practice is Johns Hopkins Hospital Nelson/Harvey Building, at 600 N Wolfe St, Baltimore, MD 21287 in Baltimore City. The practice phone is (855) 662-3017.

  • Johns Hopkins Hospital Nelson/Harvey Building
    600 N Wolfe St, Baltimore, MD 21287 · Baltimore CityPhone(855) 662-3017

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

Dr. Kathryn Marie Ritter is affiliated with 3 sites of care and 1 medical group

Dr. Ritter's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dr. Ritter is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins University. Dmand AI also links Dr. Ritter to 1 more hospital, named with a free account.

See all 4 affiliations for Dr. Ritter

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. Kathryn Marie Ritter's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ritter practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Johns Hopkins Hospital Nelson/Harvey BuildingAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Kathryn Marie Ritter is one of 1,057 emergency medicine physicians in Maryland

Emergency medicine is Dr. Ritter's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Ritter's licenses on file in 3 states: Maryland, Oregon and Tennessee.

Specialties and state licenses

  • Emergency medicine, MarylandPrimaryLicense D96294 · taxonomy 207P00000X
  • Oregon licenseLicense MD203301
  • Tennessee licenseLicense 58395

Emergency medicine physicians near Dr. Ritter

Counts of emergency medicine physicians 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. Kathryn Marie Ritter billed Medicare for 360 services in 2024

CMS data shows 360 Medicare services from Dr. Ritter across 5 procedure codes in 2024, for 358 Medicare patients. Medicare paid $46,626 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024360
Medicare patients358
Paid by Medicare$46,626
Procedure codes5

Dr. Ritter's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2122024: 34563%
Tests and treatments
2023: 02024: 15

Dr. Ritter compared with the Maryland median for emergency medicine physicians, 2024

  • Dr. Ritter
  • Maryland median
Medicare services
360vs 30020% above
Medicare patients
358vs 29223% above

Medians across 1,040 emergency medicine physicians in Maryland with Dmand AI profiles that report each measure.

Dr. Ritter'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.

See all procedures by Dr. Ritter

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Kathryn Marie Ritter treated 358 Medicare patients in 2024, average age 68

CMS counts 358 Medicare patients who saw Dr. Ritter in 2024. The largest group is 65 to 74, with 133 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 44% are also on Medicaid. Their average risk score is 2.50, 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. Ritter's median patient age at 61, with 54% women.

Medicare patients, 2024358
Average age68
Average risk score2.50
Also on Medicaid44%

Dr. Ritter's Medicare patients by age, 2024

Dr. Ritter's Medicare patients by sex, 2024

  • Women17148%
  • Men18752%

Chronic conditions among Dr. Ritter's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis53%
  4. Mood disorders47%
  5. Chronic kidney disease46%
  6. Ischemic heart disease46%
  7. Diabetes44%
  8. Anxiety39%

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

Dr. Ritter's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women54%
  • Men45%

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

Dr. Kathryn Marie Ritter scored 83 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Ritter for performance year 2024, reported as part of a group.

Dr. Ritter's MIPS scores, performance year 2024

  • 83of 100Final score
  • 73.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 70of 100Cost

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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Dr. Kathryn Marie Ritter graduated from University of Wisconsin School of Medicine

Dr. Ritter graduated from University of Wisconsin School of Medicine in 2017.

  1. Medical schoolUniversity of Wisconsin School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Kathryn Marie Ritter'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 DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - 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)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Dr. Kathryn Marie Ritter

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. Kathryn Marie Ritter's NPI number?

Dr. Kathryn Marie Ritter's NPI number is 1295267839. It was assigned on April 2, 2017, and it is active in the NPI Registry.

What kind of doctor is Dr. Kathryn Marie Ritter?

Dr. Kathryn Marie Ritter is an emergency medicine physician in Baltimore, Maryland. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Kathryn Marie Ritter practice?

Dr. Ritter practices at 600 N Wolfe St, Baltimore, MD 21287. Dr. Ritter's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dmand AI also links Dr. Ritter to 1 hospital.

What is Dr. Kathryn Marie Ritter's office phone number?

The practice phone on file for Dr. Ritter is (855) 662-3017.

What is Dr. Kathryn Marie Ritter's medical license number?

Dr. Ritter holds Maryland license D96294, one of the licenses on file in 3 states.

Which states has Dr. Kathryn Marie Ritter been licensed in?

Dmand AI has state licenses on file for Dr. Ritter in Maryland, Oregon and Tennessee.

Which hospitals is Dr. Kathryn Marie Ritter affiliated with?

Dr. Ritter is affiliated with The Johns Hopkins Hospital. Dmand AI links Dr. Ritter to 1 more hospital.

What medical group is Dr. Kathryn Marie Ritter part of?

Dr. Ritter is linked to Johns Hopkins University.

Does Dr. Kathryn Marie Ritter accept Medicare?

Yes. CMS data shows Dr. Ritter billed Medicare for 360 services in 2024.

What is Dr. Kathryn Marie Ritter's MIPS score?

Dr. Ritter's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.

Show 4 more questionsShow fewer questions

How many Medicare patients does Dr. Kathryn Marie Ritter see?

CMS counts 358 Medicare patients who saw Dr. Ritter in 2024, with an average age of 68.

What services does Dr. Kathryn Marie Ritter bill to Medicare?

In 2024, Dr. Ritter's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).

Where did Dr. Kathryn Marie Ritter go to medical school?

Dr. Ritter graduated from University of Wisconsin School of Medicine in 2017.

How long has Dr. Kathryn Marie Ritter been practicing?

Dr. Ritter graduated from medical school in 2017, 9 years ago.

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