Dr. Barbara E. Ruddy, MD

  • Scottsdale, AZ
  • Internist
NPI1467435552PAC ID3375687049
Medicare services, 2024
785
Medicare patients, 2024
426
Part D claims, 2024
2,755
Publications
8
MIPS score, 2024
86
Practice address
13400 East Shea Boulevard, Scottsdale, AZ 85259
Practice phone
Call (480) 342-4201
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mayo Clinic Ambulatory Surgery Center - Scottsdale

Surgery Center - Medicare-Certified · Scottsdale, Arizona

See all 5 affiliations

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Dr. Barbara E. Ruddy is an internist in Scottsdale, Arizona

Dr. Ruddy practices at Mayo Clinic Ambulatory Surgery Center - Scottsdale in Scottsdale, Arizona.

Dr. Ruddy's NPI, 1467435552, was assigned on November 22, 2005. Dr. Ruddy graduated from UMKC School of Medicine in 1983. Dr. Ruddy's Arizona license number on file is 17770.

NPI and contact details
Medicare PAC ID
3375687049
NPI enumeration date
November 22, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(480) 342-4201
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
69
Medical school graduation
1983

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Barbara E. Ruddy practices at Mayo Clinic Ambulatory Surgery Center - Scottsdale in Scottsdale, Arizona

Dr. Ruddy's primary practice is Mayo Clinic Ambulatory Surgery Center - Scottsdale, at 13400 East Shea Boulevard, Scottsdale, AZ 85259. The practice phone is (480) 342-4201.

  • Mayo Clinic Ambulatory Surgery Center - Scottsdale
    13400 East Shea Boulevard, Scottsdale, AZ 85259Phone(480) 342-4201

Source: Dmand AI Affiliation Data

Dr. Barbara E. Ruddy is affiliated with 4 sites of care and 1 medical group

Dr. Ruddy's primary practice is Mayo Clinic Ambulatory Surgery Center - Scottsdale in Scottsdale, Arizona. Dr. Ruddy is also affiliated with Mayo Clinic Hospital - Phoenix. The medical group on file is Mayo Clinic Arizona. Dmand AI also links Dr. Ruddy to 1 more hospital and 1 home health agency, each named with a free account. Dr. Ruddy's employer is on file too: a surgery center (asc).

See all 5 affiliations for Dr. Ruddy

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Barbara E. 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.

EHR by site
SiteEHR vendor and product
Mayo Clinic Ambulatory Surgery Center - ScottsdaleAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Barbara E. Ruddy is one of 2,420 internists in Arizona

Internal medicine is Dr. Ruddy's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ruddy is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Ruddy's licenses on file in 3 states: Arizona, Minnesota and Florida.

Specialties and state licenses

  • Internal medicine, ArizonaPrimaryLicense 17770 · 1988 to 2025 · taxonomy 207R00000X
  • Minnesota licenseLicense 28803 · 1984 to 2026
  • Florida license1987 to 1989

Clinical focus

Dmand AI lists acid reflux, acute kidney failure, acute sinusitis, acute skin infection, aneurysm, anxiety, arthritis and asthma among the conditions Dr. Ruddy treats.

Internists near Dr. Ruddy

Counts of internists 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. Barbara E. Ruddy billed Medicare for 785 services in 2024

CMS data shows 785 Medicare services from Dr. Ruddy across 11 procedure codes in 2024, for 426 Medicare patients. Medicare paid $62,982 for them. Every service was in an office.

Medicare services, 2024785
Medicare patients426
Paid by Medicare$62,982
Procedure codes11

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

  • 2023
  • 2024
Office and hospital visits
2023: 5612024: 47316%
Other services
2023: 1522024: 24964%
Tests and treatments
2023: 1212024: 6348%
Surgery
2023: 172024: 0100%

Dr. Ruddy compared with the Arizona median for internists, 2024

  • Dr. Ruddy
  • Arizona median
Medicare services
785vs 47665% above
Medicare patients
426vs 2052.1 times
Part D claims
2,137vs 2608.2 times

Medians across 2,300 internists in Arizona with Dmand AI profiles that report each measure.

Dr. Ruddy'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. Ruddy

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

Dr. Barbara E. Ruddy treated 426 Medicare patients in 2024, average age 76

CMS counts 426 Medicare patients who saw Dr. Ruddy in 2024. The largest group is 65 to 74, with 197 patients. 75% of them have high cholesterol, and 60% have high blood pressure. Their average risk score is 0.96, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ruddy's median patient age at 70, with 68% women.

Medicare patients, 2024426
Average age76
Average risk score0.96

Dr. Ruddy's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Ruddy's Medicare patients by sex, 2024

  • Women28868%
  • Men13832%

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

  1. High cholesterol75%
  2. High blood pressure60%
  3. Arthritis48%
  4. Osteoporosis32%
  5. Ischemic heart disease22%
  6. Cancer21%
  7. Chronic kidney disease21%
  8. Diabetes20%

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

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 70

Patient panel by sex, all payers

  • Women68%
  • Men31%

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

Dr. Barbara E. Ruddy wrote 2,755 Medicare Part D claims in 2024

In 2024, Dr. Ruddy wrote 2,755 Medicare Part D claims for 467 patients. 89% of them were for generic drugs. CMS names the drug for 2,137 of them, across 59 drugs with 11 or more claims each, at $123,991 in total drug cost. In 2023, CMS named 1,949 claims across 59 drugs.

Part D claims, 20242,755
Drugs named by CMS59
Total drug cost$123,991
Part D patients467

Dr. Ruddy's Part D claims by kind of drug, 2024

  • Generic2,444 claims89%
  • Brand-name and other311 claims11%

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.

Drug classes CMS tracks in Dr. Ruddy's Part D claims, 2024

  • Opioids2%54 of 2,755 claims
  • Antibiotics2%49 of 2,755 claims
  • Antipsychotics, patients 65 and over1%18 of 2,755 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: 1,9492024: 2,13710%

Drugs named by CMS: 59 in 2024, 59 in 2023.

See all prescribing by Dr. Ruddy

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. Barbara E. Ruddy scored 86 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Ruddy for performance year 2024, reported as part of a group. 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

Dr. Ruddy's MIPS scores, performance year 2024

  • 86of 100Final score
  • 78.3of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 77of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Barbara E. Ruddy has 8 publications on record

Dmand AI links 8 papers to Dr. Ruddy, published from 2012 to 2022. The most frequent topics are Breast Neoplasms, Early Detection of Cancer and Health Knowledge, Attitudes, Practice. Dr. Ruddy has published most often in J Am Osteopath Assoc. Dr. Ruddy's most frequent co-authors are Stephanie S. Faubion, MD, Heather E. Fields, MD and Juliana M. Kling, MD.

Papers8
Years published2012 to 2022

Dr. Ruddy's papers by year, 2012 to 2022

Topics Dr. Ruddy writes about most

  • Breast Neoplasms
  • Early Detection of Cancer
  • Health Knowledge, Attitudes, Practice
  • Mass Screening

Dr. Ruddy's most frequent co-authors

Recent publications by Dr. Ruddy

See all 8 publications and co-authors

See who Dr. Ruddy researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ruddy works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Barbara E. Ruddy graduated from UMKC School of Medicine

Dr. Ruddy graduated from UMKC School of Medicine in 1983.

  1. Medical schoolUMKC School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Barbara E. Ruddy accepts plans from 6 insurance carriers

Dr. Ruddy is in network with 6 carriers, including United Healthcare, Aetna and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.

  • United Healthcare
  • Aetna
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • EMI Health
  • HCSC

Plan types Dr. Ruddy accepts, by number of carriers

  1. PPO3
  2. HMO2
  3. Medicare2
  4. EPO1
  5. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Barbara E. Ruddy'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand 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)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Barbara E. 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. Barbara E. Ruddy's NPI number?

Dr. Barbara E. Ruddy's NPI number is 1467435552. It was assigned on November 22, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Barbara E. Ruddy?

Dr. Barbara E. Ruddy is an internist in Scottsdale, Arizona. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Barbara E. Ruddy practice?

Dr. Ruddy practices at 13400 East Shea Boulevard, Scottsdale, AZ 85259. Dr. Ruddy's primary practice is Mayo Clinic Ambulatory Surgery Center - Scottsdale in Scottsdale, Arizona. Dmand AI also links Dr. Ruddy to 1 hospital and 1 home health agency.

What is Dr. Barbara E. Ruddy's office phone number?

The practice phone on file for Dr. Ruddy is (480) 342-4201.

What is Dr. Barbara E. Ruddy's medical license number?

Dr. Ruddy's Arizona license number on file is 17770, one of the licenses on file in 3 states.

Which states has Dr. Barbara E. Ruddy been licensed in?

Dmand AI has state licenses on file for Dr. Ruddy in Arizona (1988 to 2025), Minnesota (1984 to 2026) and Florida (1987 to 1989).

Which hospitals is Dr. Barbara E. Ruddy affiliated with?

Dr. Ruddy is affiliated with Mayo Clinic Hospital - Phoenix. Dmand AI links Dr. Ruddy to 1 more hospital.

What medical group is Dr. Barbara E. Ruddy part of?

Dr. Ruddy is linked to Mayo Clinic Arizona.

Does Dr. Barbara E. Ruddy accept Medicare?

Yes. CMS data shows Dr. Ruddy billed Medicare for 785 services in 2024, and Dr. Ruddy accepts Medicare assignment.

Does Dr. Barbara E. Ruddy offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Ruddy as offering telehealth services.

Show 10 more questionsShow fewer questions

What is Dr. Barbara E. Ruddy's MIPS score?

Dr. Ruddy's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.

How many Medicare patients does Dr. Barbara E. Ruddy see?

CMS counts 426 Medicare patients who saw Dr. Ruddy in 2024, with an average age of 76.

Is Dr. Barbara E. Ruddy board certified?

Yes. Dr. Ruddy is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Barbara E. Ruddy bill to Medicare?

In 2024, Dr. Ruddy's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99213) and office visit, established patient (99214).

Where did Dr. Barbara E. Ruddy go to medical school?

Dr. Ruddy graduated from UMKC School of Medicine in 1983.

What drugs does Dr. Barbara E. Ruddy prescribe most?

In 2024 Medicare Part D data, Dr. Ruddy's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Rosuvastatin Calcium.

How long has Dr. Barbara E. Ruddy been practicing?

Dr. Ruddy graduated from medical school in 1983, 43 years ago.

Does Dr. Barbara E. Ruddy do research?

Dmand AI links 8 publications to Dr. Ruddy, published from 2012 to 2022.

Who does Dr. Barbara E. Ruddy publish with?

Dr. Ruddy's most frequent co-authors are Stephanie S. Faubion, MD (3 shared papers), Heather E. Fields, MD (3 shared papers) and Juliana M. Kling, MD (3 shared papers).

What insurance does Dr. Barbara E. Ruddy accept?

Dr. Ruddy is in network with 6 carriers, including United Healthcare, Aetna and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.

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