Nathan D. Hart, M.D.
Orthopaedic Surgery Physician · Stanford, CA
Nathan D. Hart, M.D. is an orthopaedic surgery physician with a practice address in Stanford, California, and NPI 1710174180, issued on Oct 1, 2007. Check the license (California A100631, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nathan D. Hart
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- A100631 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr RM R144, Stanford, CA 94305
- Phone
- (650) 725-5903
- Enumerated
- Oct 1, 2007
- Record last updated
- Feb 11, 2022
- Fax
- (650) 724-3044
- Medicare enrollment
- Enrolled (PECOS I20110504000225); accepts Medicare assignment
- Medical or professional school
- Illinois Medical College, 2005
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Also registered at 300 Pasteur Dr RM R144
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anastasia Hunt, MDOrthopaedic Surgery Physician1043839640
- Arthur Lee, M.D.Orthopaedic Surgery Physician1265629638
- Robert Mayle, M.D.Orthopaedic Surgery Physician1174710545
Verify Nathan D. Hart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A100631Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
52 Medicare Part D claims for 38 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $44.17
1 payment: food and beverage; the largest payer was Medical Device Business Services, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Permanente Medical Group IncAntioch, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan D. Hart among 2,276 orthopaedic surgery physician records in California
Nathan D. Hart, M.D. is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 54% of them.
- NPI issued2007 · 54% of these records are older, 35% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2005 · median 2003 among the 1,347 with a school on file
- Record last updated2022 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in California
There are 2,276 orthopaedic surgery physician records in California.
All 2,276 in California → Every provider in Stanford → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Raffi Avedian, MDStanford, CA 943051821261371
- Michael Bellino, M.D.Stanford, CA 943051326134909
- Angus Don, MDStanford, CA 943051720267354
- Holly Haight, M.D.Stanford, CA 943051083693923
- Steven Isono, MDStanford, CA 943051548222128
- Michael Kelly, MDStanford, CA 943051508997420
- Arthur Lee, M.D.Stanford, CA 943051265629638
- Robert Mayle, M.D.Stanford, CA 943051174710545
Common questions
What is Nathan D. Hart, M.D.'s NPI number?
Nathan D. Hart, M.D.'s National Provider Identifier (NPI) is 1710174180, issued on Oct 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nathan D. Hart, M.D. located?
The NPPES record lists a practice address at 300 Pasteur Dr RM R144, Stanford, CA, 94305. Phone: (650) 725-5903. Providers update this record themselves, so call before visiting.
How can I verify Nathan D. Hart, M.D.'s license?
NPPES lists California license number A100631, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nathan D. Hart, M.D. prescribe under Medicare Part D?
In 2024, Nathan D. Hart, M.D. had 52 Medicare Part D claims for 38 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.