J Allergy Clin Immunol
Administration, OralAngioedemaAspirin
Dr. Catherine S. Nagy, MD
NPI1477656817
- Medicare services, 2017
- 1,392
- Part D claims, 2024
- 36
- Publications
- 1
- Industry payments
- $97
- Affiliated sites
- 2
- Practice address
- 901 Nevin Ave, Richmond, CA 94801
- Practice phone
- Call (510) 307-1555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Richmond Medical Center
Richmond, California
Find Dr. Nagy's professional email, personal email and mobile number
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Dr. Catherine S. Nagy is an allergy physician in Richmond, California
Dr. Nagy practices at Richmond Medical Center in Richmond, California.
Dr. Nagy's NPI, 1477656817, was assigned on September 7, 2006. Dr. Nagy graduated from Tufts University School Of Medicine in 1994. Dr. Nagy's California license number on file is A65532.
NPI and contact details
- NPI
- 1477656817NPI Registry (opens in a new tab)
- NPI enumeration date
- September 7, 2006
- NPI status
- Active
- Practice phone
- (510) 307-1555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Catherine S. Nagy practices at Richmond Medical Center in Richmond, California
Dr. Nagy's primary practice is Richmond Medical Center, at 901 Nevin Ave, Richmond, CA 94801 in Contra Costa County. The practice phone is (510) 307-1555.
- Richmond Medical Center901 Nevin Ave, Richmond, CA 94801 · Contra Costa CountyPhone(510) 307-1555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Catherine S. Nagy is affiliated with 3 sites of care and 1 medical group
Dr. Nagy's primary practice is Richmond Medical Center in Richmond, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Nagy to 1 more physician office and 1 group practice or clinic, each named with a free account.
Richmond Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Catherine S. Nagy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nagy practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Richmond Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Catherine S. Nagy is one of 136 allergy physicians in California
Allergy is Dr. Nagy's primary specialty in the NPI Registry, under taxonomy code 207KA0200X. Dr. Nagy is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dr. Nagy has a license on file in California.
Specialties and state licenses
- Allergy, CaliforniaPrimary
Allergy physicians near Dr. Nagy
Counts of allergy physicians with a Dmand AI profile, by place and practice. Each opens the list.
136allergy physicians in California
3allergy physicians in Richmond
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Catherine S. Nagy billed Medicare for 1,392 services in 2017
CMS data shows 1,392 Medicare services from Dr. Nagy across 9 procedure codes in 2017. Medicare paid $25,641 for them. Every service was in an office.
Medicare services, 20171,392
Paid by Medicare$25,641
Procedure codes9
Dr. Nagy's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Tests and treatments
- 2016: 1,6792017: 1,18829%
- Office and hospital visits
- 2016: 1512017: 20435%
Dr. Nagy compared with the California median for allergy physicians, 2017
- Dr. Nagy
- California median
- Medicare services
- 1,392vs 2,33440% below
- Part D claims
- 66vs 21569% below
Medians across 123 allergy physicians in California with Dmand AI profiles that report each measure.
Dr. Nagy's most billed Medicare procedure codes, 2017
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. Nagy?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nagy and other allergy physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Catherine S. Nagy's patients have a median age of 39
Across all payers, Dmand AI patient panel data puts Dr. Nagy's median patient age at 39, with 60% women.
Dr. Nagy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women60%
- Men36%
Source: Dmand AI Patient Panel Data
Dr. Catherine S. Nagy wrote 36 Medicare Part D claims in 2024
In 2024, Dr. Nagy wrote 36 Medicare Part D claims for 23 patients. 31% of them were for generic drugs. They cover 4 drugs, with $3,439 in total drug cost. In 2022, CMS named 14 claims across 1 drug.
Part D claims, 202436
Drugs named by CMS4
Total drug cost$3,439
Part D patients23
Dr. Nagy's Part D claims by kind of drug, 2024
- Generic11 claims31%
- Brand-name25 claims69%
Dr. Nagy's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 142023: 66371%
Drugs named by CMS: 4 in 2023, 1 in 2022.
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. Catherine S. Nagy has 1 publication on record
Dmand AI links 1 paper to Dr. Nagy. Dr. Nagy's most frequent co-author is James A. MacLean, MD.
Papers1
Dr. Nagy's most frequent co-authors
Recent publications by Dr. Nagy
See who Dr. Nagy researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nagy works with, so you can find a warm path to the right allergy physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Catherine S. Nagy received $97 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Nagy from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $97.
Companies that paid Dr. Nagy the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Catherine S. Nagy graduated from Tufts University School Of Medicine
Dr. Nagy graduated from Tufts University School Of Medicine in 1994. Dr. Nagy is a member of AAAAI.
- Medical school
- Board certified in allergy & immunology
Source: Dmand AI Professional Profile Data
Sources for Dr. Catherine S. Nagy'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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. Catherine S. Nagy
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. Catherine S. Nagy's NPI number?
Dr. Catherine S. Nagy's NPI number is 1477656817. It was assigned on September 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Catherine S. Nagy?
Dr. Catherine S. Nagy is an allergy physician in Richmond, California. The primary specialty in the NPI Registry is Allergy Physician (taxonomy code 207KA0200X).
Where does Dr. Catherine S. Nagy practice?
Dr. Nagy practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Nagy's primary practice is Richmond Medical Center in Richmond, California. Dmand AI also links Dr. Nagy to 1 physician office and 1 group practice or clinic.
What is Dr. Catherine S. Nagy's office phone number?
The practice phone on file for Dr. Nagy is (510) 307-1555.
What is Dr. Catherine S. Nagy's medical license number?
Dr. Nagy's California license number on file is A65532.
What medical group is Dr. Catherine S. Nagy part of?
Dr. Nagy is linked to The Permanente Medical Group, Inc.
Does Dr. Catherine S. Nagy accept Medicare?
Yes. CMS data shows Dr. Nagy billed Medicare for 1,392 services in 2017.
Is Dr. Catherine S. Nagy board certified?
Yes. Dr. Nagy is board certified in allergy & immunology by the American Board of Allergy and Immunology.
What services does Dr. Catherine S. Nagy bill to Medicare?
In 2017, Dr. Nagy's most billed Medicare services were allergy test or treatment (95004), allergy test or treatment (95115) and office visit, established patient (99214).
Where did Dr. Catherine S. Nagy go to medical school?
Dr. Nagy graduated from Tufts University School Of Medicine in 1994.
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What drugs does Dr. Catherine S. Nagy prescribe most?
In 2023 Medicare Part D data, Dr. Nagy's most prescribed drugs by claims were Epinephrine, Azelastine HCl and Albuterol Sulfate Hfa.
Has Dr. Catherine S. Nagy received payments from drug or device companies?
CMS Open Payments shows $97 in general payments to Dr. Nagy from 1 company from 2019 to 2019. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Catherine S. Nagy been practicing?
Dr. Nagy graduated from medical school in 1994, 32 years ago.
Does Dr. Catherine S. Nagy do research?
Dmand AI links 1 publication to Dr. Nagy.
Who does Dr. Catherine S. Nagy publish with?
Dr. Nagy's most frequent co-authors are James A. MacLean, MD (1 shared paper).
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