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NATHAN D HART M.D.
NPI 1710174180
Orthopaedic Surgery in Stanford, CA

Active since October 01, 2007PECOS EnrolledAccepts Medicare Assignment
300 PASTEUR DR RM R144, STANFORD ORTHOPAEDIC SURGERY, STANFORD, CA 94305(650) 725-5903(650) 724-3044 Get Directions Write a Review

NPPES record last updated: February 11, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Nathan D Hart M.d. NPPES

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

NATHAN D HART M.D. (NPI 1710174180) is an individual orthopaedic surgery provider in Stanford, California, licensed in California (A100631) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS and is a graduate of Illinois Medical College (2005).

NPPES Registry Identity

NPI1710174180
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameNATHAN D HARTCredential: M.D.
Location Address300 PASTEUR DR RM R144, STANFORD ORTHOPAEDIC SURGERYStanford, CA 94305-5341
Mailing Address300 Pasteur Dr Rm R144, Stanford Orthopaedic SurgeryStanford, CA 94305-5341 · (650) 725-5903 · Fax (650) 724-3044
Phone(650) 725-5903
Fax(650) 724-3044
Sole ProprietorYes
Medical School CMSIllinois Medical CollegeGraduated 2005
Enumeration DateOctober 1, 2007
Last NPPES UpdateFebruary 11, 2022
✔ NPI 1710174180 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in CA · A100631
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
300 PASTEUR DR RM R144, Stanford, CA 94305
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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 and accepts Medicare assignment

Nathan D Hart M.d. 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 ID6709061906
PECOS Enrollment IDI20110504000225
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 Nathan Hart reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

County Of Santa Clara
2.0 mi
Mental Health (Including Community Mental Health Center)
231 GRANT AVENUE
Palo Alto, CA 94306
  • Reassigned Medicare billing, California enrollment
  • 2,460 clinicians in this Medicare group
NPI 1144330614 (650) 321-5545
Permanente Medical Group Inc
4.6 mi
Internal Medicine
1190 VETERANS BLVD
Redwood City, CA 94063
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1639252604 (650) 299-2000

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 94305 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
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
Established Patient
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

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

ROBERT E MAYLE JR. M.D.
Orthopaedic Surgery
300 PASTEUR DR RM R144, STANFORD ORTHOPAEDIC SURGERY
STANFORD, CA 94305
Santa Clara County (650) 725-5903
ARTHUR TA-TZU LEE M.D.
Orthopaedic Surgery
300 PASTEUR DR RM R144, STANFORD ORTHOPAEDIC SURGERY
STANFORD, CA 94305
Santa Clara County (650) 725-5903

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 Nathan Hart's NPI number?

The NPI number for Nathan Hart is 1710174180. It was assigned to this individual provider in the NPPES registry on October 1, 2007.

Where is Nathan Hart located?

Nathan Hart practices at 300 Pasteur Dr Rm R144 Stanford Orthopaedic Surgery, Stanford, CA 94305. The listed phone number is (650) 725-5903.

What is Nathan Hart's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Nathan Hart enrolled in Medicare?

Yes. Nathan Hart 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 Nathan Hart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Hart reassigns Medicare benefits to 2 organizations: County Of Santa Clara (Palo Alto, CA) and Permanente Medical Group Inc (Redwood City, 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 Nathan Hart'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 Nathan Hart was last updated on February 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.