Tiffany Holcombe Svahn, M.D.
Hematology & Oncology Physician · Pleasant Hill, CA
Tiffany Holcombe Svahn, M.D. is a hematology & oncology physician with a practice address in Pleasant Hill, California, and NPI 1518920479, issued on Apr 10, 2006. Check the license (California A81256, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tiffany Holcombe Svahn
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A81256 CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 Taylor Blvd, Pleasant Hill, CA 94523
- Phone
- (925) 677-5041
- Enumerated
- Apr 10, 2006
- Record last updated
- Aug 5, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (925) 677-5025
- Medicare enrollment
- Enrolled (PECOS I20060707000342); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 400 Taylor Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Candida Brown, M.D.Specialist1649375445
- David Buffum, R.N., N.P.Gerontology Nurse Practitioner1295043859
- Esther Catalya, M.D.Hematology & Oncology Physician1629184148
- Miguel Cerejo, D.O.Hematology & Oncology Physician1447236344
- Gigi Chen, M.D.Hematology & Oncology Physician1821073636
- Rujul Desai, MDNeurology with Special Qualifications in Child Neurology Physician1255727871
Verify Tiffany Holcombe Svahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A81256Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,377 Medicare Part D claims for 366 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Anastrozole668 claims
- Letrozole190 claims
- Alendronate Sodium114 claims
- Tamoxifen Citrate77 claims
- Exemestane46 claims
- Raloxifene Hcl36 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 99.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $643.15
23 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- John Muir Physician NetworkBrentwood, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
11 hematology & oncology physician records list a practice address in Pleasant Hill
They are 11 of the 843 NPPES records with a practice address in Pleasant Hill, and 1,583 hematology & oncology physician records in California.
All 11 in Pleasant Hill → All 1,583 in California → Every provider in Pleasant Hill →
Other hematology & oncology physician records in California
- Mark Abate, M.D.Santa Barbara, CA1588778674
- Iman Abdalla, MDLos Angeles, CA1730248311
- Haifaa Abdulhaq, MDFresno, CA1508024647
- Nihal Abdulla, MDLos Alamitos, CA1750585345
- Mehrad Abedi, M.D.Sacramento, CA1467459222
- Oyewale Abidoye, M.D.La Jolla, CA1790841815
- Mohammed Abu Zaanona, MDSanta Barbara, CA1922591197
- Mohamad Adada, M.D., PHDRoseville, CA1528590734
- Jesse Adams, MDSacramento, CA1851479554
- Thompson Adams, MDSanta Monica, CA1407880891
Common questions
What is Tiffany Holcombe Svahn, M.D.'s NPI number?
Tiffany Holcombe Svahn, M.D.'s National Provider Identifier (NPI) is 1518920479, issued on Apr 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tiffany Holcombe Svahn, M.D. located?
The NPPES record lists a practice address at 400 Taylor Blvd, Pleasant Hill, CA, 94523. Phone: (925) 677-5041. Providers update this record themselves, so call before visiting.
How can I verify Tiffany Holcombe Svahn, M.D.'s license?
NPPES lists California license number A81256, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tiffany Holcombe Svahn, M.D. prescribe under Medicare Part D?
In 2024, Tiffany Holcombe Svahn, M.D. had 1,377 Medicare Part D claims for 366 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Tiffany Holcombe Svahn, M.D.'s MIPS final score?
The 2023 MIPS final score is 99.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.