HARSHIL MODI
NPI 1639759020
Family Medicine in Walnut Creek, CA
About Harshil Modi NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HARSHIL MODI (NPI 1639759020) is an individual family medicine provider in Walnut Creek, California, licensed in California (A192164) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
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
Harshil Modi 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.
Medicare Billing Reassignments
6Medicare enrollment records show Harshil Modi reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Concord, CA 94519
- Reassigned Medicare billing, California enrollment
- 66 clinicians in this Medicare group
Concord, CA 94520
- Reassigned Medicare billing, California enrollment
- 27 clinicians in this Medicare group
Palo Alto, CA 94306
- Reassigned Medicare billing, California enrollment
- 2,460 clinicians in this Medicare group
Mountain View, CA 94040
- Reassigned Medicare billing, California enrollment
- 217 clinicians in this Medicare group
Manteca, CA 95336
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Golden Valley Health Centers
- 440 clinicians in this Medicare group
Merced, CA 95340
- Reassigned Medicare billing, California enrollment
- 126 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94598 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Harshil Modi's NPI number?
The NPI number for Harshil Modi is 1639759020. It was assigned to this individual provider in the NPPES registry on April 10, 2021.
Where is Harshil Modi located?
Harshil Modi practices at 215 Lennon Ln Ste 200, Walnut Creek, CA 94598. The listed phone number is (925) 685-4224.
What is Harshil Modi's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Harshil Modi enrolled in Medicare?
Yes. Harshil Modi 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 Harshil Modi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Harshil Modi reassigns Medicare benefits to 6 organizations: Jiva Health, Inc (Concord, CA), Jiva Health Primary Care (Concord, CA), County Of Santa Clara (Palo Alto, CA), Quantum Bay Area Hospitalist Medical Group Inc (Mountain View, CA), Golden Valley Health Center (Manteca, CA) and 1 more organization, listed in the Medicare section above. 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 Harshil Modi'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 Harshil Modi was last updated on January 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.
# Harshil Modi · NPI 1639759020
Family Medicine physician in Walnut Creek, California. Individual provider, active in the CMS NPPES registry since April 10, 2021.
## Identity
- **NPI:** 1639759020 (Entity type: Individual)
- **Enumerated:** April 10, 2021
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A192164 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 215 LENNON LN STE 200, Walnut Creek, CA 94598-2543
- **Phone:** (925) 685-4224
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Jiva Health, Inc (NPI 1285223552, Concord, CA); Jiva Health Primary Care (NPI 1972560381, Concord, CA); County Of Santa Clara (NPI 1285228080, Palo Alto, CA); Quantum Bay Area Hospitalist Medical Group Inc (NPI 1902279656, Mountain View, CA); Golden Valley Health Center (NPI 1477020121, Manteca, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** January 20, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1639759020) · Data from the CMS NPPES public registry.