1. Home
  2. Directory
  3. California
  4. Mountain View
  5. Internal Medicine
  6. NPI Profile

MICHELLE PEZZANI
NPI 1205922440
Internal Medicine in Mountain View, CA

Active since October 05, 2006PECOS EnrolledAccepts Medicare Assignment
83.56/100
CMS Quality Rating
2500 GRANT RD, MOUNTAIN VIEW, CA 94040(650) 940-7000 Get Directions Write a Review

NPPES record last updated: December 4, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Michelle Pezzani NPPES

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

MICHELLE PEZZANI (NPI 1205922440) is an individual internal medicine provider in Mountain View, California, licensed in California (G83953) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of St. Louis College Of Physicians And Surgeons (1993).

NPPES Registry Identity

NPI1205922440
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMICHELLE PEZZANI
Location Address2500 GRANT RDMountain View, CA 94040-4302
Mailing Address2500 Grant RdMountain View, CA 94040-4302 · (650) 940-7000
Phone(650) 940-7000
Sole ProprietorNo
Medical School CMSSt. Louis College Of Physicians And SurgeonsGraduated 1993
Enumeration DateOctober 5, 2006
Last NPPES UpdateDecember 4, 2020
NPPES CertifiedDecember 4, 2020
✔ NPI 1205922440 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · G83953
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2500 GRANT RD, Mountain View, CA 94040
Open in Google Maps ↗

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

Michelle Pezzani 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 ID5799850608
PECOS Enrollment IDI20080812000361
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 Michelle Pezzani reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Quantum Bay Area Hospitalist Medical Group Inc
Same address
Hospitalist
2500 GRANT RD
Mountain View, CA 94040
  • Reassigned Medicare billing, California enrollment
  • 217 clinicians in this Medicare group
NPI 1902279656 (650) 940-7000
County Of Santa Clara
2.8 mi
Clinic/Center
2500 CALIFORNIA ST
Mountain View, CA 94040
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1588721500 (California), NPI 1629301346 (California)
  • 2,460 clinicians in this Medicare group
NPI 1912650672 (408) 885-5000

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94040 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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.

83.56/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality83.75
Promoting Interoperability100
Improvement Activities40
Cost61.45

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.

BARBARA MOCNIK APRN
Registered Nurse (Psychiatric/Mental Health, Adult)
2500 GRANT RD
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 940-7187
DR. JONATHAN TODD ENGELHARDT MD
Emergency Medicine
2500 GRANT RD
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 940-7000
DR. SHAWN MATHEW JACOB MD
Internal Medicine
2500 GRANT RD
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 940-7000
NADIA KIRMANI
Student in an Organized Health Care Education/Training Program
2500 GRANT RD
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 940-7000
KELLEY DAVIS MS, RD
Dietitian, Registered
2500 GRANT RD, LPCH-4C
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 988-4111
TROY THOAI LAM MD
Internal Medicine
2500 GRANT RD
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 374-0001
MAX LEE
Student in an Organized Health Care Education/Training Program
2500 GRANT RD
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 940-7000
MS. TOVAH SHOSHANA KROKOSZYNSKI PSYD
Counselor (Mental Health)
2500 GRANT RD
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 988-3255

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 Michelle Pezzani's NPI number?

The NPI number for Michelle Pezzani is 1205922440. It was assigned to this individual provider in the NPPES registry on October 5, 2006.

Where is Michelle Pezzani located?

Michelle Pezzani practices at 2500 Grant Rd, Mountain View, CA 94040. The listed phone number is (650) 940-7000.

What is Michelle Pezzani's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Michelle Pezzani enrolled in Medicare?

Yes. Michelle Pezzani 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 Michelle Pezzani's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Pezzani reassigns Medicare benefits to 2 organizations: Quantum Bay Area Hospitalist Medical Group Inc (Mountain View, CA) and County Of Santa Clara (Mountain View, 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 Michelle Pezzani'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 Michelle Pezzani was last updated on December 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.