Dr. Cathy Castagna, DO
- Medicare services, 2024
- 49
- Medicare patients, 2024
- 25
- Part D claims, 2024
- 329
- Hospital affiliations
- 1
- Industry payments
- $211
- Practice address
- 2025 Morse Avenue, Sacramento, CA 95825
- Practice phone
- Call (916) 973-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Castagna'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. Cathy Castagna is an internist in Sacramento, California
Dr. Castagna practices at Sacramento Medical Center in Sacramento, California, part of Kaiser Permanente.
Dr. Castagna's NPI, 1295078301, was assigned on March 27, 2013. Dr. Castagna graduated from LECOM at Seton Hill - Greensburg in 2013. Dr. Castagna holds California license A13733.
- NPI
- 1295078301NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365721990
- NPI enumeration date
- March 27, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 973-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Cathy Castagna practices at Sacramento Medical Center in Sacramento, California
Dr. Castagna's primary practice is Sacramento Medical Center, at 2025 Morse Avenue, Sacramento, CA 95825 in Sacramento County. The practice phone is (916) 973-5000.
- Sacramento Medical Center2025 Morse Avenue, Sacramento, CA 95825 · Sacramento CountyPhone(916) 973-5000
Source: Dmand AI Affiliation Data
Dr. Cathy Castagna is affiliated with 1 site of care and 1 medical group
Dr. Castagna's primary practice is Sacramento Medical Center in Sacramento, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Cathy Castagna's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Castagna practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sacramento Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Cathy Castagna is one of 16,751 internists in California
Internal medicine is Dr. Castagna's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Castagna is board certified in internal medicine by the American Board of Internal Medicine. Dr. Castagna is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists electrolyte disorders and sepsis among the conditions Dr. Castagna treats.
Internists near Dr. Castagna
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. Cathy Castagna billed Medicare for 49 services in 2024
CMS data shows 49 Medicare services from Dr. Castagna across 1 procedure code in 2024, for 25 Medicare patients. Medicare paid $2,844 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Castagna's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 702024: 4930%
Dr. Castagna compared with the California median for internists, 2024
- Dr. Castagna
- California median
- Medicare services
- 49vs 36186% below
- Medicare patients
- 25vs 15183% below
- Part D claims
- 88vs 42179% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Castagna'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.
Need commercial claims for Dr. Castagna?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Castagna and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Cathy Castagna treated 25 Medicare patients in 2024, average age 69
CMS counts 25 Medicare patients who saw Dr. Castagna in 2024. The largest group is 65 to 74, with 13 patients. 75% of them have high blood pressure, and 68% have high cholesterol. Their average risk score is 2.52, 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. Castagna's median patient age at 71, with 55% women.
Dr. Castagna's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Castagna's Medicare patients by sex, 2024
- Women1456%
- Men1144%
Chronic conditions among Dr. Castagna's Medicare patients, 2024
- High blood pressure75%
- High cholesterol68%
- Alcohol and drug use disorders52%
- Arthritis52%
- Stroke or TIA44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Castagna's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Cathy Castagna wrote 329 Medicare Part D claims in 2024
In 2024, Dr. Castagna wrote 329 Medicare Part D claims for 103 patients. 86% of them were for generic drugs. CMS names the drug for 88 of them, across 6 drugs with 11 or more claims each, at $1,295 in total drug cost. In 2023, CMS named 93 claims across 4 drugs.
Dr. Castagna's Part D claims by kind of drug, 2024
- Generic282 claims86%
- Brand-name and other47 claims14%
Dr. Castagna'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. Castagna's Part D claims, 2024
- Antibiotics15%48 of 329 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: 932024: 885%
Drugs named by CMS: 6 in 2024, 4 in 2023.
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
How Dr. Cathy Castagna takes part in Medicare
Dr. Castagna accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Cathy Castagna received $211 in industry payments from 2018 to 2024
CMS Open Payments shows 7 general payments to Dr. Castagna from 3 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. Kedrion Biopharma, Inc. paid the most, $115.
General payments to Dr. Castagna by program year, 2018 to 2024
Companies that paid Dr. Castagna the most, 2018 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Cathy Castagna graduated from LECOM at Seton Hill - Greensburg
Dr. Castagna graduated from LECOM at Seton Hill - Greensburg in 2013.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Cathy Castagna accepts plans from 2 insurance carriers
Dr. Castagna is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Castagna accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Cathy Castagna'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 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Cathy Castagna
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. Cathy Castagna's NPI number?
Dr. Cathy Castagna's NPI number is 1295078301. It was assigned on March 27, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Cathy Castagna?
Dr. Cathy Castagna is an internist in Sacramento, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Cathy Castagna practice?
Dr. Castagna practices at 2025 Morse Avenue, Sacramento, CA 95825. Dr. Castagna's primary practice is Sacramento Medical Center in Sacramento, California, part of Kaiser Permanente.
What is Dr. Cathy Castagna's office phone number?
The practice phone on file for Dr. Castagna is (916) 973-5000.
What is Dr. Cathy Castagna's medical license number?
Dr. Castagna holds California license A13733.
Which hospitals is Dr. Cathy Castagna affiliated with?
Dr. Castagna practices at Sacramento Medical Center in Sacramento, California.
What medical group is Dr. Cathy Castagna part of?
Dr. Castagna is linked to The Permanente Medical Group, Inc.
Does Dr. Cathy Castagna accept Medicare?
Yes. CMS data shows Dr. Castagna billed Medicare for 49 services in 2024, and Dr. Castagna accepts Medicare assignment.
How many Medicare patients does Dr. Cathy Castagna see?
CMS counts 25 Medicare patients who saw Dr. Castagna in 2024, with an average age of 69.
Is Dr. Cathy Castagna board certified?
Yes. Dr. Castagna is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Cathy Castagna bill to Medicare?
In 2024, Dr. Castagna's most billed Medicare services were hospital inpatient care (99232).
Where did Dr. Cathy Castagna go to medical school?
Dr. Castagna graduated from LECOM at Seton Hill - Greensburg in 2013.
What drugs does Dr. Cathy Castagna prescribe most?
In 2024 Medicare Part D data, Dr. Castagna's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Amlodipine Besylate.
Has Dr. Cathy Castagna received payments from drug or device companies?
CMS Open Payments shows $211 in general payments to Dr. Castagna from 3 companies from 2018 to 2024. The largest total came from Kedrion Biopharma, Inc.
How long has Dr. Cathy Castagna been practicing?
Dr. Castagna graduated from medical school in 2013, 13 years ago.
What insurance does Dr. Cathy Castagna accept?
Dr. Castagna is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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