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DR. HIROYU HATANO M.D.
NPI 1871631507
Internal Medicine in Palo Alto, CA

Active since February 02, 2007PECOS Enrolled
3200 MIDDLEFIELD RD STE C, PALO ALTO, CA 94306(650) 850-4111(650) 666-8219 Get Directions Write a Review

NPPES record last updated: May 30, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Hiroyu Hatano M.d. NPPES

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

DR. HIROYU HATANO M.D. (NPI 1871631507) is an individual internal medicine provider in Palo Alto, California, licensed in California (A87614) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1871631507
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. HIROYU HATANOCredential: M.D.
Location Address3200 MIDDLEFIELD RD STE CPalo Alto, CA 94306-3000
Mailing Address3200 Middlefield Rd Ste CPalo Alto, CA 94306-3000 · (650) 850-4111 · Fax (650) 666-8219
Phone(650) 850-4111
Fax(650) 666-8219
Sole ProprietorYes
Enumeration DateFebruary 2, 2007
Last NPPES UpdateMay 30, 2023
NPPES CertifiedMay 30, 2023
✔ NPI 1871631507 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 · A87614
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.
3200 MIDDLEFIELD RD STE C, Palo Alto, CA 94306
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Hiroyu Hatano M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Hiroyu Hatano reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of California Sfgh Medical Group
27 mi
Endocrinology, Diabetes & Metabolism
2540 23RD ST, 2ND FLOOR, ROOM 2110
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1326013442 (California)
  • 637 clinicians in this Medicare group
NPI 1265407381 (415) 514-9031

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 94306 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.

Referred Medical Equipment & Supplies CMS DME claims

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

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
3 suppliers14 claims14 services$197.80 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Hiroyu Hatano's NPI number?

The NPI number for Hiroyu Hatano is 1871631507. It was assigned to this individual provider in the NPPES registry on February 2, 2007.

Where is Hiroyu Hatano located?

Hiroyu Hatano practices at 3200 Middlefield Rd Ste C, Palo Alto, CA 94306. The listed phone number is (650) 850-4111.

What is Hiroyu Hatano's specialty?

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

Is Hiroyu Hatano enrolled in Medicare?

Yes. Hiroyu Hatano is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Hiroyu Hatano's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hiroyu Hatano reassigns Medicare benefits to University Of California Sfgh Medical Group (San Francisco, CA). The 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 Hiroyu Hatano'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 Hiroyu Hatano was last updated on May 30, 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.