Catherine Dora Tambunan, NP
- Medicare patients, 2024
- 159
- Part D claims, 2024
- 487
- MIPS score, 2024
- 89
- Hospital affiliations
- 3
- Industry payments
- $842
- Practice address
- 300 Pasteur Drive, Stanford, CA 94305
- Practice phone
- Call (650) 723-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Catherine Tambunan's professional email, personal email and mobile number
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Catherine Dora Tambunan is a nurse practitioner in Stanford, California
Catherine Tambunan practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Catherine Tambunan's NPI, 1831841253, was assigned on January 26, 2022. Catherine Tambunan holds California license 95020306.
- NPI
- 1831841253NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507249372
- NPI enumeration date
- January 26, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (650) 723-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Catherine Dora Tambunan practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Catherine Tambunan's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.
- Stanford Hospital at 300 Pasteur Drive300 Pasteur Drive, Stanford, CA 94305 · Santa Clara CountyPhone(650) 723-4000
Source: Dmand AI Affiliation Data
Catherine Dora Tambunan is affiliated with 3 sites of care and 3 medical groups
Catherine Tambunan's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Catherine Tambunan is also affiliated with Stanford Health Care Tri-Valley. The medical group on file is Stanford Health Care. Dmand AI also links Catherine Tambunan to 1 more hospital and 2 medical groups, each named with a free account. Catherine Tambunan's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Catherine Dora Tambunan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Catherine Tambunan practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Hospital at 300 Pasteur Drive | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Catherine Dora Tambunan is one of 5,983 nurse practitioners in California
Nurse practitioner is Catherine Tambunan's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Catherine Tambunan is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Nurse practitioners near Catherine Tambunan
Counts of nurse practitioners 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
Catherine Dora Tambunan treated 159 Medicare patients in 2024, average age 74
CMS counts 159 Medicare patients who saw Catherine Tambunan in 2024. The largest group is 65 to 74, with 68 patients. 67% of them have high cholesterol, and 60% have high blood pressure. 25% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Catherine Tambunan's median patient age at 52, with 85% women.
Catherine Tambunan's Medicare patients by age, 2024
Catherine Tambunan's Medicare patients by sex, 2024
- Women14088%
- Men1912%
Chronic conditions among Catherine Tambunan's Medicare patients, 2024
- High cholesterol67%
- High blood pressure60%
- Arthritis54%
- Osteoporosis41%
- Anxiety31%
- Mood disorders31%
- Depression25%
- Diabetes21%
Share of Medicare patients with each condition. A patient can have several.
Catherine Tambunan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women85%
- Men13%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Catherine Dora Tambunan wrote 487 Medicare Part D claims in 2024
In 2024, Catherine Tambunan wrote 487 Medicare Part D claims for 198 patients. 53% of them were for generic drugs.
Catherine Tambunan's Part D claims by kind of drug, 2024
- Generic257 claims53%
- Brand-name230 claims47%
Drug classes CMS tracks in Catherine Tambunan's Part D claims, 2024
- Antibiotics12%60 of 487 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
Catherine Dora Tambunan scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Catherine Tambunan for performance year 2024, reported as part of a group. Catherine Tambunan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Catherine Tambunan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Catherine Tambunan's MIPS scores, performance year 2024
- 89of 100Final score
- 87.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 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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Catherine Dora Tambunan received $842 in industry payments in 2025
CMS Open Payments shows 13 general payments to Catherine Tambunan from 4 drug and device companies in 2025. Travel and lodging make up the largest share, 53% of the total. Medtronic, Inc. paid the most, $673.
General payments to Catherine Tambunan by kind, 2025 to 2025
- Travel and lodging$45053%
- Food and beverage$39247%
Companies that paid Catherine Tambunan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Catherine Dora Tambunan'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Catherine Dora Tambunan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Catherine Dora Tambunan's NPI number?
Catherine Dora Tambunan's NPI number is 1831841253. It was assigned on January 26, 2022, and it is active in the NPI Registry.
What does Catherine Dora Tambunan specialize in?
Catherine Dora Tambunan is a nurse practitioner in Stanford, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Catherine Dora Tambunan practice?
Catherine Tambunan practices at 300 Pasteur Drive, Stanford, CA 94305. Catherine Tambunan's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Catherine Tambunan to 1 hospital and 2 medical groups.
What is Catherine Dora Tambunan's office phone number?
The practice phone on file for Catherine Tambunan is (650) 723-4000.
What is Catherine Dora Tambunan's medical license number?
Catherine Tambunan holds California license 95020306.
Which hospitals is Catherine Dora Tambunan affiliated with?
Catherine Tambunan practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Catherine Tambunan is also affiliated with Stanford Health Care Tri-Valley. Dmand AI links Catherine Tambunan to 1 more hospital.
What medical group is Catherine Dora Tambunan part of?
Catherine Tambunan is linked to Stanford Health Care. Dmand AI links Catherine Tambunan to 2 more medical groups.
Does Catherine Dora Tambunan accept Medicare?
Yes. CMS lists Catherine Tambunan as accepting Medicare assignment.
Does Catherine Dora Tambunan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Catherine Tambunan as offering telehealth services.
What is Catherine Dora Tambunan's MIPS score?
Catherine Tambunan's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
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How many Medicare patients does Catherine Dora Tambunan see?
CMS counts 159 Medicare patients who saw Catherine Tambunan in 2024, with an average age of 74.
Has Catherine Dora Tambunan received payments from drug or device companies?
CMS Open Payments shows $842 in general payments to Catherine Tambunan from 4 companies from 2025 to 2025. The largest total came from Medtronic, Inc.
How long has Catherine Dora Tambunan been practicing?
Catherine Tambunan graduated from medical school in 2021, 5 years ago.
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