Dr. Kathryn A. Ross, MD
- Medicare services, 2020
- 206
- Part D claims, 2024
- 50
- Publications
- 2
- Industry payments
- $3,507
- Affiliated sites
- 1
- Practice address
- 901 Dover Dr, Newport Beach, CA 92660-5538
- Practice phone
- Call (949) 650-8700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kathryn Ross, MD
Physician office · Newport Beach, California
Find Dr. Ross' 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. Kathryn A. Ross is a gastroenterologist in Whittier, California
Dr. Ross practices at Kathryn Ross, MD in Newport Beach, California.
Dr. Ross' NPI, 1871537035, was assigned on June 16, 2006. Dr. Ross graduated from University of Miami, Miller School of Medicine in 1979. Dr. Ross' California license number on file is G42979.
- NPI
- 1871537035NPI Registry (opens in a new tab)
- NPI enumeration date
- June 16, 2006
- NPI status
- Active
- Practice phone
- (949) 650-8700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Kathryn A. Ross practices in Newport Beach and Whittier
Dr. Ross' primary practice is Kathryn Ross, MD, at 901 Dover Dr, Newport Beach, CA 92660-5538. The practice phone is (949) 650-8700. The NPI Registry lists Dr. Ross' practice address as 12401 Washington Blvd, Whittier, CA 90602.
- Kathryn Ross, MDPrimary901 Dover Dr, Newport Beach, CA 92660-5538Phone(949) 650-8700
- NPI Registry address12401 Washington Blvd, Whittier, CA 90602 · Los Angeles CountyPhone(949) 650-8700
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Kathryn A. Ross is affiliated with 1 site of care and 1 medical group
Dr. Ross' primary practice is Kathryn Ross, MD in Newport Beach, California. The medical group on file is United Medical Doctors.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Kathryn A. Ross' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ross practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kathryn Ross, MD | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kathryn A. Ross is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Ross' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Ross is board certified in fellow by the American Academy Anti-Aging Medicine (A4M). Dmand AI has Dr. Ross' licenses on file in 2 states: California and Arizona.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
- Arizona license
Gastroenterologists near Dr. Ross
Counts of gastroenterologists 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 A. Ross billed Medicare for 206 services in 2020
CMS data shows 206 Medicare services from Dr. Ross across 7 procedure codes in 2020. Medicare paid $19,795 for them.
Dr. Ross' Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 2132020: 15030%
- Surgery
- 2019: 762020: 4442%
- Other services
- 2019: 362020: 1267%
Where Dr. Ross' Medicare services took place, 2020
- In an office15073%
- In a facility5627%
Dr. Ross compared with the California median for gastroenterologists, 2020
- Dr. Ross
- California median
- Medicare services
- 206vs 58665% below
- Part D claims
- 19vs 38095% below
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Dr. Ross' most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Ross?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ross and other gastroenterologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kathryn A. Ross' patients have a median age of 8
Across all payers, Dmand AI patient panel data puts Dr. Ross' median patient age at 8, with 28% women.
Dr. Ross' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 8
Patient panel by sex, all payers
- Women28%
- Men72%
Source: Dmand AI Patient Panel Data
Dr. Kathryn A. Ross wrote 50 Medicare Part D claims in 2024
In 2024, Dr. Ross wrote 50 Medicare Part D claims. 86% of them were for generic drugs. CMS names the drug for 19 of them, across 1 drug with 11 or more claims each, at $1,260 in total drug cost. In 2021, CMS named 33 claims across 2 drugs.
Dr. Ross' Part D claims by kind of drug, 2024
- Generic43 claims86%
- Brand-name and other7 claims14%
Dr. Ross' 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.
Part D claims for drugs CMS names, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 332024: 1942%
Drugs named by CMS: 1 in 2024, 2 in 2021.
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
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Dr. Kathryn A. Ross has 2 publications on record
Dmand AI links 2 papers to Dr. Ross. Dr. Ross' most frequent co-authors are Keir Alexander Ross and Michael Benjamin Stone, MD.
Dr. Ross' most frequent co-authors
Recent publications by Dr. Ross
See who Dr. Ross researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ross works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Kathryn A. Ross received $3,507 in industry payments from 2016 to 2022
CMS Open Payments shows 113 general payments to Dr. Ross from 18 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Merz North America, Inc. paid the most, $1,628.
General payments to Dr. Ross by program year, 2016 to 2022
Companies that paid Dr. Ross the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kathryn A. Ross has 5 awards and honors on record
Dmand AI lists 5 awards for Dr. Ross, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Ross
- 2013
- CMS Stage 1 EHR
- Top Doctors:LA Area
- Top Doctors:San Diego Area
- 2012
- Top Doctors:Southern California
- 2011
- ACG Fellow
Source: Dmand AI Professional Profile Data
Dr. Kathryn A. Ross graduated from University of Miami, Miller School of Medicine
Dr. Ross graduated from University of Miami, Miller School of Medicine in 1979. Dr. Ross is a member of ACG.
- Medical school
- Board certified in fellow
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Kathryn A. Ross'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand 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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Kathryn A. Ross
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 A. Ross' NPI number?
Dr. Kathryn A. Ross' NPI number is 1871537035. It was assigned on June 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Kathryn A. Ross?
Dr. Kathryn A. Ross is a gastroenterologist in Whittier, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Kathryn A. Ross practice?
Dr. Ross practices at 901 Dover Dr, Newport Beach, CA 92660-5538. Dr. Ross also practices at 12401 Washington Blvd, Whittier, CA 90602. Dr. Ross' primary practice is Kathryn Ross, MD in Newport Beach, California.
What is Dr. Kathryn A. Ross' office phone number?
The practice phone on file for Dr. Ross is (949) 650-8700.
What is Dr. Kathryn A. Ross' medical license number?
Dr. Ross' California license number on file is G42979, one of the licenses on file in 2 states.
Which states has Dr. Kathryn A. Ross been licensed in?
Dmand AI has state licenses on file for Dr. Ross in California (1980 to 2023) and Arizona (2023 to 2026).
What medical group is Dr. Kathryn A. Ross part of?
Dr. Ross is linked to United Medical Doctors.
Does Dr. Kathryn A. Ross accept Medicare?
Yes. CMS data shows Dr. Ross billed Medicare for 206 services in 2020.
Is Dr. Kathryn A. Ross board certified?
Yes. Dr. Ross is board certified in fellow by the American Academy Anti-Aging Medicine (A4M).
What services does Dr. Kathryn A. Ross bill to Medicare?
In 2020, Dr. Ross' most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and surgery: digestive system (43239).
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Where did Dr. Kathryn A. Ross go to medical school?
Dr. Ross graduated from University of Miami, Miller School of Medicine in 1979.
What drugs does Dr. Kathryn A. Ross prescribe most?
In 2024 Medicare Part D data, Dr. Ross' most prescribed drugs by claims were Estradiol.
Has Dr. Kathryn A. Ross received payments from drug or device companies?
CMS Open Payments shows $3,507 in general payments to Dr. Ross from 18 companies from 2016 to 2022. The largest total came from Merz North America, Inc.
How long has Dr. Kathryn A. Ross been practicing?
Dr. Ross graduated from medical school in 1979, 47 years ago.
Does Dr. Kathryn A. Ross do research?
Dmand AI links 2 publications to Dr. Ross.
Who does Dr. Kathryn A. Ross publish with?
Dr. Ross' most frequent co-authors are Keir Alexander Ross (1 shared paper) and Michael Benjamin Stone, MD (1 shared paper).
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