DR. ULF FRITZ BREDEEK MENDES M.D., PHD
NPI 1689667495
Internal Medicine - Infectious Disease in Redwood City, CA

Active since August 26, 2005PECOS EnrolledAccepts Medicare Assignment
96.5/100
CMS Quality Rating
2900 WHIPPLE AVE STE 132, REDWOOD CITY, CA 94062(650) 817-2117(650) 817-2119 Get Directions Write a Review

NPPES record last updated: September 8, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 8, 2023, Jan 14, 2021 (2 updates tracked since 2021).

About Dr. Ulf Fritz Bredeek Mendes M.d., Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ULF FRITZ BREDEEK MENDES M.D., PHD (NPI 1689667495) is an individual infectious disease provider in Redwood City, California, licensed in California (31728) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1996).

NPPES Registry Identity

NPI1689667495
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. ULF FRITZ BREDEEK MENDESCredential: M.D., PHD
Location Address2900 WHIPPLE AVE STE 132Redwood City, CA 94062-2844
Mailing Address3400 Data DrRancho Cordova, CA 95670-7956
Fax(650) 817-2119
Sole ProprietorYes
Medical School CMSOtherGraduated 1996
Enumeration DateAugust 26, 2005
Last NPPES UpdateSeptember 8, 20232 updates tracked since enumeration
NPPES CertifiedSeptember 8, 2023
✔ NPI 1689667495 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in CA · 31728
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
2900 WHIPPLE AVE STE 132, Redwood City, CA 94062

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ulf Fritz Bredeek Mendes M.d., Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6800800426
PECOS Enrollment IDI20060202000348
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Ulf Fritz Bredeek Mendes reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
1301 SHOREWAY RD, SUITE 100
Belmont, CA 94002
  • Reassigned Medicare billing, California enrollment
  • 1,191 clinicians in this Medicare group
Medical Specialty
815 HYDE ST., SUITE 301
San Francisco, CA 94109
  • Reassigned Medicare billing, California enrollment

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
106 services48 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
67 services64 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
65 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94062 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

96.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.34
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Urology
2900 WHIPPLE AVE STE 132
REDWOOD CITY, CA 94062
Allergy & Immunology
2900 WHIPPLE AVE STE 132
REDWOOD CITY, CA 94062
Physician Assistant
2900 WHIPPLE AVE STE 132
REDWOOD CITY, CA 94062
Allergy & Immunology (Allergy)
2900 WHIPPLE AVE STE 132
REDWOOD CITY, CA 94062
Physician Assistant
2900 WHIPPLE AVE STE 132
REDWOOD CITY, CA 94062

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ulf Fritz Bredeek Mendes's NPI number?

The NPI number for Ulf Fritz Bredeek Mendes is 1689667495. It was assigned to this individual provider in the NPPES registry on August 26, 2005.

Where is Ulf Fritz Bredeek Mendes located?

Ulf Fritz Bredeek Mendes practices at 2900 Whipple Ave Ste 132, Redwood City, CA 94062. The listed phone number is (650) 817-2117.

What is Ulf Fritz Bredeek Mendes's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Ulf Fritz Bredeek Mendes enrolled in Medicare?

Yes. Ulf Fritz Bredeek Mendes is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Ulf Fritz Bredeek Mendes's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ulf Fritz Bredeek Mendes reassigns Medicare benefits to 2 organizations: Dignity Health Medical Foundation (Belmont, CA) and Metropolis Medical PC (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ulf Fritz Bredeek Mendes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ulf Fritz Bredeek Mendes was last updated on September 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.