Dr. Katherine Ruddy, MD
- Part D claims, 2024
- 391
- Hospital affiliations
- 3
- Industry payments
- $565
- Medical group
- 1
- State license
- 1
- Practice address
- 100 Madison Ave, Morristown, NJ 07962
- Practice phone
- Call (973) 971-5450
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ruddy'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. Katherine Ruddy is a rheumatologist in Morristown, New Jersey
Dr. Ruddy practices at Morristown Medical Center in Morristown, New Jersey, part of Atlantic Health System.
Dr. Ruddy's NPI, 1447887955, was assigned on March 25, 2020. Dr. Ruddy graduated from Columbia University College of Physicians and Surgeons in 2020. Dr. Ruddy holds New Jersey license 25MA12731700.
- NPI
- 1447887955NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628486107
- NPI enumeration date
- March 25, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (973) 971-5450
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Katherine Ruddy practices at Morristown Medical Center in Morristown, New Jersey
Dr. Ruddy's primary practice is Morristown Medical Center, at 100 Madison Ave, Morristown, NJ 07962 in Morris County. The practice phone is (973) 971-5450.
- Morristown Medical Center100 Madison Ave, Morristown, NJ 07962 · Morris CountyPhone(973) 971-5450
Source: Dmand AI Affiliation Data
Dr. Katherine Ruddy is affiliated with 4 sites of care and 1 medical group
Dr. Ruddy's primary practice is Morristown Medical Center in Morristown, New Jersey, part of Atlantic Health System. Dr. Ruddy is also affiliated with Overlook Medical Center. The medical group on file is Atlantic Medical Group. Dmand AI also links Dr. Ruddy to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Katherine Ruddy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ruddy practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Morristown Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Atlantic Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Katherine Ruddy is one of 234 rheumatologists in New Jersey
Rheumatology is Dr. Ruddy's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Ruddy is licensed in New Jersey.
Specialties and state licenses
- Rheumatology, New JerseyPrimary
Rheumatologists near Dr. Ruddy
Counts of rheumatologists 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. Katherine Ruddy's patients have a median age of 57
Across all payers, Dmand AI patient panel data puts Dr. Ruddy's median patient age at 57, with 75% women.
Dr. Ruddy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women75%
- Men23%
Source: Dmand AI Patient Panel Data
Dr. Katherine Ruddy wrote 391 Medicare Part D claims in 2024
In 2024, Dr. Ruddy wrote 391 Medicare Part D claims for 70 patients. 82% of them were for generic drugs. CMS names the drug for 225 of them, across 11 drugs with 11 or more claims each, at $275,426 in total drug cost.
Dr. Ruddy's Part D claims by kind of drug, 2024
- Generic322 claims82%
- Brand-name69 claims18%
Dr. Ruddy'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.
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. Katherine Ruddy offers telehealth to Medicare patients
Dr. Ruddy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ruddy as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Katherine Ruddy received $565 in industry payments from 2024 to 2025
CMS Open Payments shows 25 general payments to Dr. Ruddy from 9 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 82% of the total. Janssen Pharmaceuticals, Inc paid the most, $189.
General payments to Dr. Ruddy by program year, 2024 to 2025
General payments to Dr. Ruddy by kind, 2024 to 2025
- Food and beverage$46682%
- Education$9918%
Companies that paid Dr. Ruddy the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Katherine Ruddy graduated from Columbia University College of Physicians and Surgeons
Dr. Ruddy graduated from Columbia University College of Physicians and Surgeons in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Katherine Ruddy'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 DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Katherine Ruddy
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. Katherine Ruddy's NPI number?
Dr. Katherine Ruddy's NPI number is 1447887955. It was assigned on March 25, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Katherine Ruddy?
Dr. Katherine Ruddy is a rheumatologist in Morristown, New Jersey. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Katherine Ruddy practice?
Dr. Ruddy practices at 100 Madison Ave, Morristown, NJ 07962. Dr. Ruddy's primary practice is Morristown Medical Center in Morristown, New Jersey, part of Atlantic Health System. Dmand AI also links Dr. Ruddy to 1 hospital and 1 group practice or clinic.
What is Dr. Katherine Ruddy's office phone number?
The practice phone on file for Dr. Ruddy is (973) 971-5450.
What is Dr. Katherine Ruddy's medical license number?
Dr. Ruddy holds New Jersey license 25MA12731700.
Which hospitals is Dr. Katherine Ruddy affiliated with?
Dr. Ruddy practices at Morristown Medical Center in Morristown, New Jersey. Dr. Ruddy is also affiliated with Overlook Medical Center. Dmand AI links Dr. Ruddy to 1 more hospital.
What medical group is Dr. Katherine Ruddy part of?
Dr. Ruddy is linked to Atlantic Medical Group.
Does Dr. Katherine Ruddy accept Medicare?
Yes. CMS lists Dr. Ruddy as accepting Medicare assignment.
Does Dr. Katherine Ruddy offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ruddy as offering telehealth services.
Where did Dr. Katherine Ruddy go to medical school?
Dr. Ruddy graduated from Columbia University College of Physicians and Surgeons in 2020.
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What drugs does Dr. Katherine Ruddy prescribe most?
In 2024 Medicare Part D data, Dr. Ruddy's most prescribed drugs by claims were Methotrexate, Gabapentin and Hydroxychloroquine Sulfate.
Has Dr. Katherine Ruddy received payments from drug or device companies?
CMS Open Payments shows $565 in general payments to Dr. Ruddy from 9 companies from 2024 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Katherine Ruddy been practicing?
Dr. Ruddy graduated from medical school in 2020, 6 years ago.
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