1. Home
  2. Directory
  3. California
  4. Castro Valley
  5. Internal Medicine
  6. NPI Profile

SHIVEN CHAUDHRY MD
NPI 1528594801
Internal Medicine in Castro Valley, CA

Active since May 05, 2017PECOS EnrolledAccepts Medicare Assignment
20642 JOHN DR, CASTRO VALLEY, CA 94546(510) 785-5000 Get Directions Write a Review

NPPES record last updated: June 10, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 10, 2025, Feb 10, 2025, Apr 22, 2024 and 3 more (6 updates tracked since 2020).

About Shiven Chaudhry Md NPPES

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

SHIVEN CHAUDHRY MD (NPI 1528594801) is an individual internal medicine provider in Castro Valley, California, licensed in California (A159399) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, maintains 5 additional practice locations, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1528594801
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameSHIVEN CHAUDHRYCredential: MD
Location Address20642 JOHN DRCastro Valley, CA 94546-5103
Mailing Address5725 W Las Positas BlvdPleasanton, CA 94588-4054 · (925) 847-3000
Phone(510) 785-5000
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateMay 5, 2017
Last NPPES UpdateJune 10, 20256 updates tracked since enumeration
NPPES CertifiedJune 10, 2025
✔ NPI 1528594801 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 · A159399
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.
20642 JOHN DR, Castro Valley, CA 94546
Open in Google Maps ↗

Secondary Practice Locations 5

Location 13269 N Stockton Hill RdKingman, AZ 86409-3619 · Phone (928) 757-2101
Location 2300 Pasteur DrStanford, CA 94305-2200 · Phone (650) 723-4000
Location 310624 S Eastern Ave # A-955Henderson, NV 89052-2982 · Phone (792) 800-5393
Location 48700 Beverly Blvd Ste 5512West Hollywood, CA 90048-1804 · Phone (310) 423-5252 · Fax (310) 423-8441
Location 55725 W Las Positas BlvdPleasanton, CA 94588-4054 · Phone (925) 847-3000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc.Insurance ›

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

Shiven Chaudhry Md 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 ID6305260316
PECOS Enrollment IDI20200831000523, I20250214002629
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

6

Medicare enrollment records show Shiven Chaudhry reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Usacs Integrated Acute Care Services Of Nevada Bagnoli P C
163 mi
Hospitalist
1600 MEDICAL PKWY
Carson City, NV 89703
  • Reassigned Medicare billing, Nevada enrollment
  • 55 clinicians in this Medicare group
NPI 1063608701 (844) 474-4019
Platinum Hospitalists, LLP
389 mi
Internal Medicine
6850 N DURANGO DR STE 216
Las Vegas, NV 89149
  • Reassigned Medicare billing, Nevada enrollment
  • 319 clinicians in this Medicare group
NPI 1396575122 (702) 407-7700
Unlv Medicine
397 mi
Internal Medicine
3016 W CHARLESTON BLVD STE 100
Las Vegas, NV 89102
  • Reassigned Medicare billing, Nevada enrollment
  • 286 clinicians in this Medicare group
NPI 1407397235 (702) 895-0497
Apogee Medical Group Inc
487 mi
Internal Medicine
101 CIVIC CENTER LN
Lake Havasu City, AZ 86403
  • Reassigned Medicare billing, Arizona enrollment
  • 240 clinicians in this Medicare group
NPI 1760652218 (928) 855-8185
Scottsdale Inpatient Specialists, Plc
624 mi
Hospitalist
5620 W THUNDERBIRD RD STE E5
Glendale, AZ 85306
  • Reassigned Medicare billing, Arizona enrollment
  • 38 clinicians in this Medicare group
NPI 1376286088 (480) 947-4545
Aligned Medical Providers, LLC
641 mi
Family Medicine
9821 N 95TH ST
Scottsdale, AZ 85258
  • Reassigned Medicare billing, Arizona enrollment
  • 13 clinicians in this Medicare group
NPI 1386267078 (480) 365-8035

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 94546 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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
4 suppliers90 claims90 services$15.93 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
5 suppliers105 claims108 services$75.31 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
2 suppliers15 claims18 services$30.67 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

HELEN WOOHEE YANG MD
Internal Medicine
20642 JOHN DR
CASTRO VALLEY, CA 94546
Alameda County (510) 806-2100
LING XU M.D.
Internal Medicine
20642 JOHN DR
CASTRO VALLEY, CA 94546
Alameda County (510) 785-5000
ZACHARY GERARD O'LEARY PA-C
Physician Assistant
20642 JOHN DR
CASTRO VALLEY, CA 94546
Alameda County (888) 924-1036
CHRISTINA K LEE PA-C
Physician Assistant
20642 JOHN DR
CASTRO VALLEY, CA 94546
Alameda County (510) 581-2559
DR. KALAOKALANI CHANDLER M.D.
Obstetrics & Gynecology
20642 JOHN DR
CASTRO VALLEY, CA 94546
Alameda County (510) 785-5000
GAHFORA GORSI NP
Nurse Practitioner
20642 JOHN DR
CASTRO VALLEY, CA 94546
Alameda County (510) 785-5000
NIDHI JOHRI M.D
Internal Medicine
20642 JOHN DR
CASTRO VALLEY, CA 94546
Alameda County (510) 785-5000
DIEGO VALENZUELA INZUNZA
Physician Assistant
20642 JOHN DR
CASTRO VALLEY, CA 94546
Alameda County (510) 581-2559

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 Shiven Chaudhry's NPI number?

The NPI number for Shiven Chaudhry is 1528594801. It was assigned to this individual provider in the NPPES registry on May 5, 2017.

Where is Shiven Chaudhry located?

Shiven Chaudhry practices at 20642 John Dr, Castro Valley, CA 94546. The listed phone number is (510) 785-5000.

What is Shiven Chaudhry's specialty?

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

Is Shiven Chaudhry enrolled in Medicare?

Yes. Shiven Chaudhry 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 Shiven Chaudhry's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shiven Chaudhry reassigns Medicare benefits to 6 organizations: Usacs Integrated Acute Care Services Of Nevada Bagnoli P C (Carson City, NV), Platinum Hospitalists, LLP (Las Vegas, NV), Unlv Medicine (Las Vegas, NV), Apogee Medical Group Inc (Lake Havasu City, AZ), Scottsdale Inpatient Specialists, Plc (Glendale, AZ) 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 Shiven Chaudhry's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Shiven Chaudhry accept?

Health plans from Blue Cross Blue Shield of Arizona and Cigna HealthCare of Arizona, Inc list Shiven Chaudhry as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Shiven Chaudhry was last updated on June 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.