Dr. Catherine Elizabeth Firestein, MD, MPH
- Medicare services, 2024
- 498
- Medicare patients, 2024
- 176
- Part D claims, 2024
- 81
- Publications
- 2
- MIPS score, 2024
- 91
- Practice address
- 200 W Arbor Dr, San Diego, CA 92103
- Practice phone
- Call (619) 543-6222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UCSD Hillcrest Medical Center
San Diego, California
Find Dr. Firestein's professional email, personal email and mobile number
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Dr. Catherine Elizabeth Firestein is a hospitalist in San Diego, California
Dr. Firestein practices at UCSD Hillcrest Medical Center in San Diego, California.
Dr. Firestein's NPI, 1427348382, was assigned on April 12, 2011. Dr. Firestein graduated from Tulane School of Medicine in 2011. Dr. Firestein holds California license A143013.
- NPI
- 1427348382NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305065079
- NPI enumeration date
- April 12, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (619) 543-6222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Catherine Elizabeth Firestein practices at UCSD Hillcrest Medical Center in San Diego, California
Dr. Firestein's primary practice is UCSD Hillcrest Medical Center, at 200 W Arbor Dr, San Diego, CA 92103 in San Diego County. The practice phone is (619) 543-6222.
- UCSD Hillcrest Medical Center200 W Arbor Dr, San Diego, CA 92103 · San Diego CountyPhone(619) 543-6222
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Catherine Elizabeth Firestein is affiliated with 2 sites of care and 1 medical group
Dr. Firestein's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dr. Firestein is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Catherine Elizabeth Firestein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Firestein practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSD Hillcrest Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Catherine Elizabeth Firestein is one of 3,186 hospitalists in California
Hospitalist is Dr. Firestein's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Firestein is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Firestein's licenses on file in 2 states: California and Louisiana.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
- Louisiana license
Clinical focus
Dmand AI lists acute diabetes, bile duct problems, cardiac arrhythmia, gastrointestinal inflammation, liver disease, sepsis, substance abuse and syncope & collapse among the conditions Dr. Firestein treats.
Hospitalists near Dr. Firestein
Counts of hospitalists 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. Catherine Elizabeth Firestein billed Medicare for 498 services in 2024
CMS data shows 498 Medicare services from Dr. Firestein across 7 procedure codes in 2024, for 176 Medicare patients. Medicare paid $40,042 for them.
Dr. Firestein's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4082024: 49822%
Where Dr. Firestein's Medicare services took place, 2024
- In an office204%
- In a facility47896%
Dr. Firestein compared with the California median for hospitalists, 2024
- Dr. Firestein
- California median
- Medicare services
- 498vs 43016% above
- Medicare patients
- 176vs 20112% below
Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.
Dr. Firestein'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Catherine Elizabeth Firestein treated 176 Medicare patients in 2024, average age 72
CMS counts 176 Medicare patients who saw Dr. Firestein in 2024. The largest group is 75 to 84, with 63 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 50% are also on Medicaid. Their average risk score is 3.55, 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. Firestein's median patient age at 62, with 50% women.
Dr. Firestein's Medicare patients by age, 2024
Dr. Firestein's Medicare patients by sex, 2024
- Women7643%
- Men10057%
Chronic conditions among Dr. Firestein's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Mood disorders53%
- Arthritis50%
- Chronic kidney disease49%
- Depression49%
- Diabetes47%
- Heart failure47%
Share of Medicare patients with each condition. A patient can have several.
Dr. Firestein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Catherine Elizabeth Firestein wrote 81 Medicare Part D claims in 2024
In 2024, Dr. Firestein wrote 81 Medicare Part D claims for 41 patients. 85% of them were for generic drugs.
Dr. Firestein's Part D claims by kind of drug, 2024
- Generic69 claims85%
- Brand-name and other12 claims15%
Drug classes CMS tracks in Dr. Firestein's Part D claims, 2024
- Antibiotics23%19 of 81 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Catherine Elizabeth Firestein scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Firestein for performance year 2024, reported as part of a group. Dr. Firestein accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Firestein as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Firestein's MIPS scores, performance year 2024
- 91of 100Final score
- 84.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 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. Catherine Elizabeth Firestein has 2 publications on record
Dmand AI links 2 papers to Dr. Firestein in 2014. Dr. Firestein's most frequent co-authors are Kenneth Cerreta, MD, Jeffrey D. Dellavolpe, MD and Nathan Dean Nielsen, MD.
Dr. Firestein's most frequent co-authors
- Kenneth Cerreta, MD1 shared paper
- Jeffrey D. Dellavolpe, MD1 shared paper
- Nathan Dean Nielsen, MD1 shared paper
Recent publications by Dr. Firestein
See who Dr. Firestein researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Firestein works with, so you can find a warm path to the right hospitalists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Catherine Elizabeth Firestein graduated from Tulane School of Medicine
Dr. Firestein graduated from Tulane School of Medicine in 2011. Dr. Firestein is a member of ACP and SHM.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Catherine Elizabeth Firestein accepts plans from 14 insurance carriers
Dr. Firestein is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Molina
- Regence Health Plans
- +6 more carriersWith a free account
Plan types Dr. Firestein accepts, by number of carriers
- PPO9
- Medicare8
- HMO7
- EPO4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Catherine Elizabeth Firestein'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 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 (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)Clinician Public Reporting: Overall MIPS Performance (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 |
| 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. Catherine Elizabeth Firestein
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 Elizabeth Firestein's NPI number?
Dr. Catherine Elizabeth Firestein's NPI number is 1427348382. It was assigned on April 12, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Catherine Elizabeth Firestein?
Dr. Catherine Elizabeth Firestein is a hospitalist in San Diego, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Catherine Elizabeth Firestein practice?
Dr. Firestein practices at 200 W Arbor Dr, San Diego, CA 92103. Dr. Firestein's primary practice is UCSD Hillcrest Medical Center in San Diego, California.
What is Dr. Catherine Elizabeth Firestein's office phone number?
The practice phone on file for Dr. Firestein is (619) 543-6222.
What is Dr. Catherine Elizabeth Firestein's medical license number?
Dr. Firestein holds California license A143013, one of the licenses on file in 2 states.
Which states has Dr. Catherine Elizabeth Firestein been licensed in?
Dmand AI has state licenses on file for Dr. Firestein in California (2016 to 2026) and Louisiana (2014 to 2018).
Which hospitals is Dr. Catherine Elizabeth Firestein affiliated with?
Dr. Firestein is affiliated with Hillcrest Medical Center.
What medical group is Dr. Catherine Elizabeth Firestein part of?
Dr. Firestein is linked to UC San Diego Health.
Does Dr. Catherine Elizabeth Firestein accept Medicare?
Yes. CMS data shows Dr. Firestein billed Medicare for 498 services in 2024, and Dr. Firestein accepts Medicare assignment.
Does Dr. Catherine Elizabeth Firestein offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Firestein as offering telehealth services.
Show 9 more questionsShow fewer questions
What is Dr. Catherine Elizabeth Firestein's MIPS score?
Dr. Firestein's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
How many Medicare patients does Dr. Catherine Elizabeth Firestein see?
CMS counts 176 Medicare patients who saw Dr. Firestein in 2024, with an average age of 72.
Is Dr. Catherine Elizabeth Firestein board certified?
Yes. Dr. Firestein is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Catherine Elizabeth Firestein bill to Medicare?
In 2024, Dr. Firestein's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Where did Dr. Catherine Elizabeth Firestein go to medical school?
Dr. Firestein graduated from Tulane School of Medicine in 2011.
How long has Dr. Catherine Elizabeth Firestein been practicing?
Dr. Firestein graduated from medical school in 2011, 15 years ago.
Does Dr. Catherine Elizabeth Firestein do research?
Dmand AI links 2 publications to Dr. Firestein.
Who does Dr. Catherine Elizabeth Firestein publish with?
Dr. Firestein's most frequent co-authors are Kenneth Cerreta, MD (1 shared paper), Jeffrey D. Dellavolpe, MD (1 shared paper) and Nathan Dean Nielsen, MD (1 shared paper).
What insurance does Dr. Catherine Elizabeth Firestein accept?
Dr. Firestein is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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