Ulf Fritz Bredeek Mendes, M.D., PHD
Infectious Disease Physician · Redwood City, CA
Ulf Fritz Bredeek Mendes, M.D., PHD is an infectious disease physician with a practice address in Redwood City, California, and NPI 1689667495, issued on Aug 26, 2005. Check the license (California 31728, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ulf Fritz Bredeek Mendes
- Credential
- M.D., PHD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 31728 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2900 Whipple Ave Ste 132, Redwood City, CA 94062
- Phone
- (650) 817-2117
- Enumerated
- Aug 26, 2005
- Record last updated
- Sep 8, 2023
- Fax
- (650) 817-2119
- Medicare enrollment
- Enrolled (PECOS I20060202000348); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Also registered at 2900 Whipple Ave Ste 132
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Guarnaccia, MDUrology Physician1235299850
- Andres Hernandez, PA-CPhysician Assistant1609588847
- Delmar Smith, PAPhysician Assistant1902188832
Verify Ulf Fritz Bredeek Mendes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 31728Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average infectious disease physician in 2024
384 Medicare Part D claims for 24 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- Dovato56 claims
- Atorvastatin Calcium34 claims
- Lisinopril28 claims
- Tivicay27 claims
- Juluca24 claims
- Hydrochlorothiazide18 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): 96.5 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: $40.70
2 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 3,895 providers of this specialty with any payment received $4,362.19 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
- Dignity Health Medical FoundationBelmont, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ulf Fritz Bredeek Mendes among 1,119 infectious disease physician records in California
Ulf Fritz Bredeek Mendes, M.D., PHD is one of 1,119 infectious disease physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 96% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1996 · median 2003 among the 735 with a school on file
- Record last updated2023 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in California
There are 1,119 infectious disease physician records in California.
All 1,119 in California → Every provider in Redwood City → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Nagma Hossain, MDRedwood City, CA 940631528141520
- Malika Kheraj, MDRedwood City, CA 940631619055274
- Manoj Ray, M.D.Redwood City, CA 940631831328988
- Darvin SmithRedwood City, CA 940631568548535
- Jamila Champsi, MDSouth San Francisco, CA 940801427136068
- Dana Clutter, M.D.South San Francisco, CA 940801821309717
- Ronald Tempesta, MDSouth San Francisco, CA 940801841378445
- Daniel Chelliah, MDMountain View, CA 940401174847933
Common questions
What is Ulf Fritz Bredeek Mendes, M.D., PHD's NPI number?
Ulf Fritz Bredeek Mendes, M.D., PHD's National Provider Identifier (NPI) is 1689667495, issued on Aug 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ulf Fritz Bredeek Mendes, M.D., PHD located?
The NPPES record lists a practice address at 2900 Whipple Ave Ste 132, Redwood City, CA, 94062. Phone: (650) 817-2117. Providers update this record themselves, so call before visiting.
How can I verify Ulf Fritz Bredeek Mendes, M.D., PHD's license?
NPPES lists California license number 31728, 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 Ulf Fritz Bredeek Mendes, M.D., PHD prescribe under Medicare Part D?
In 2024, Ulf Fritz Bredeek Mendes, M.D., PHD had 384 Medicare Part D claims for 24 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Ulf Fritz Bredeek Mendes, M.D., PHD's MIPS final score?
The 2023 MIPS final score is 96.5 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.