DR. MERCEDES PAREDES MD, PHD
NPI 1629222534
Psychiatry & Neurology - Neurology in San Francisco, CA

Active since November 05, 2008PECOS EnrolledAccepts Medicare Assignment
91.85/100
CMS Quality Rating
400 PARNASSUS AVE, C/O NEUROLOGY DEPT 7TH FLOOR, SAN FRANCISCO, CA 94143(415) 443-1058 Get Directions Write a Review

NPPES record last updated: February 2, 2018. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Mercedes Paredes Md, Phd NPPES

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

DR. MERCEDES PAREDES MD, PHD (NPI 1629222534) is an individual neurology provider in San Francisco, California, licensed in California (A108192) and active in the NPI registry since November 2008. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2007).

NPPES Registry Identity

NPI1629222534
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameDR. MERCEDES PAREDESCredential: MD, PHD
Location Address400 PARNASSUS AVE, C/O NEUROLOGY DEPT 7TH FLOORSan Francisco, CA 94143-2202
Mailing Address400 Parnassus Ave, C/o Neurology Dept 7th FloorSan Francisco, CA 94143-2202 · (415) 443-1058
Sole ProprietorYes
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2007
Enumeration DateNovember 5, 2008
Last NPPES UpdateFebruary 2, 2018
✔ NPI 1629222534 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in CA · A108192
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
400 PARNASSUS AVE, San Francisco, CA 94143

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. Mercedes Paredes Md, 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 ID4981875770
PECOS Enrollment IDI20110928000320
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

3

Medicare enrollment records show Mercedes Paredes reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
Family Medicine
1001 POTRERO AVE, BLDG 80 WARD 83 RM 320
San Francisco, CA 94110
  • Reassigned Medicare billing, California enrollment
  • 842 clinicians in this Medicare group

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

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.

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.
20 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 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.

91.85/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality83.53
Promoting Interoperability100
Improvement Activities40
Cost68.01

Other Providers at the Same Location NPPES 20

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

Ophthalmology
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Surgery (Surgical Critical Care)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Otolaryngology (Pediatric Otolaryngology)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Physician Assistant
400 PARNASSUS AVE, 3RD FLOOR, SUITE 311
SAN FRANCISCO, CA 94143
Physical Therapist
400 PARNASSUS AVE, A-68
SAN FRANCISCO, CA 94143
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Orthopaedic Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

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 Mercedes Paredes's NPI number?

The NPI number for Mercedes Paredes is 1629222534. It was assigned to this individual provider in the NPPES registry on November 5, 2008.

Where is Mercedes Paredes located?

Mercedes Paredes practices at 400 Parnassus Ave C/O Neurology Dept 7th Floor, San Francisco, CA 94143. The listed phone number is (415) 443-1058.

What is Mercedes Paredes's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Mercedes Paredes enrolled in Medicare?

Yes. Mercedes Paredes 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 Mercedes Paredes's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mercedes Paredes reassigns Medicare benefits to 3 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and University Of California Sfgh Medical Group (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 Mercedes Paredes'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 Mercedes Paredes was last updated on February 2, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.