J Shoulder Elbow Surg
Arthroplasty, ReplacementBone ScrewsDissection
Dr. Nathan D. Hart, MD
NPI1710174180PAC ID6709061906
- Part D claims, 2024
- 52
- Publications
- 6
- Hospital affiliations
- 2
- Industry payments
- $544
- Medical groups
- 2
- Practice address
- 901 Nevin Ave, Richmond, CA 94801
- Practice phone
- Call (510) 307-1555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Richmond Medical Center
Richmond, California
Find Dr. Hart's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Nathan D. Hart is an orthopedic surgeon in Richmond, California
Dr. Hart practices at Richmond Medical Center in Richmond, California.
Dr. Hart's NPI, 1710174180, was assigned on October 1, 2007. Dr. Hart graduated from University of Illinois College of Medicine - Chicago in 2005. Dr. Hart holds California license A100631.
NPI and contact details
- NPI
- 1710174180NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709061906
- NPI enumeration date
- October 1, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 307-1555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathan D. Hart practices at Richmond Medical Center in Richmond, California
Dr. Hart's primary practice is Richmond Medical Center, at 901 Nevin Ave, Richmond, CA 94801 in Contra Costa County. The practice phone is (510) 307-1555.
- Richmond Medical Center901 Nevin Ave, Richmond, CA 94801 · Contra Costa CountyPhone(510) 307-1555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Nathan D. Hart is affiliated with 3 sites of care and 2 medical groups
Dr. Hart's primary practice is Richmond Medical Center in Richmond, California. Dr. Hart is also affiliated with Stanford Hospital at 300 Pasteur Drive. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Hart to 1 more hospital and 1 medical group, each named with a free account.
Richmond Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nathan D. Hart's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hart practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Richmond Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nathan D. Hart is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Hart's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Hart is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Hart's licenses on file in 3 states: California, South Carolina and Illinois.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
- South Carolina license
- Illinois license
Clinical focus
Dmand AI lists shoulder arthroscopy/rotator cuff repair among the conditions Dr. Hart treats.
Orthopedic surgeons near Dr. Hart
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Nathan D. Hart's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Hart's median patient age at 65, with 59% women.
Dr. Hart's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women59%
- Men41%
Source: Dmand AI Patient Panel Data
Dr. Nathan D. Hart wrote 52 Medicare Part D claims in 2024
In 2024, Dr. Hart wrote 52 Medicare Part D claims for 38 patients. 98% of them were for generic drugs. CMS names the drug for 38 of them, across 3 drugs with 11 or more claims each, at $435 in total drug cost. In 2022, CMS named 73 claims across 5 drugs.
Part D claims, 202452
Drugs named by CMS3
Total drug cost$435
Part D patients38
Dr. Hart's Part D claims by kind of drug, 2024
- Generic51 claims98%
- Brand-name and other1 claims2%
Dr. Hart's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Hart's Part D claims, 2024
- Opioids38%20 of 52 claims
- Antibiotics23%12 of 52 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 732023: 3848%
Drugs named by CMS: 3 in 2023, 5 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Nathan D. Hart takes part in Medicare
Dr. Hart accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Nathan D. Hart has 6 publications on record
Dmand AI links 6 papers to Dr. Hart, published from 2010 to 2012. 2011 was the busiest year, with 2. The most frequent topics are Shoulder Joint, Tendons and Biomechanical Phenomena. Dr. Hart has published most often in J Shoulder Elbow Surg. Dr. Hart's most frequent co-authors are Timothy Robert McAdams, MD, William E. Bragg, MD and Christopher Michael Dolan, MD.
Papers6
Years published2010 to 2012
Dr. Hart's papers by year, 2010 to 2012
Topics Dr. Hart writes about most
- Shoulder Joint
- Tendons
- Biomechanical Phenomena
- Cadaver
- Suture Techniques
Dr. Hart's most frequent co-authors
- Timothy Robert McAdams, MD2 shared papers
- William E. Bragg, MD1 shared paper
- Christopher Michael Dolan, MD1 shared paper
Recent publications by Dr. Hart
ArmArthroscopyPosture
J Shoulder Elbow Surg
ArthroplastyPain, PostoperativePostoperative Complications
J Orthop Res
Biomechanical PhenomenaCadaverHumerus
J Shoulder Elbow Surg
Joint InstabilityMuscle, SkeletalShoulder Joint
See who Dr. Hart researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hart works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nathan D. Hart received $544 in industry payments from 2016 to 2024
CMS Open Payments shows 3 general payments to Dr. Hart from 2 drug and device companies from 2016 to 2024. Travel and lodging make up the largest share, 62% of the total. Exactech, Inc. paid the most, $500.
General payments to Dr. Hart by program year, 2016 to 2024
General payments to Dr. Hart by kind, 2016 to 2024
$544in total
- Travel and lodging$33862%
- Food and beverage$20638%
Companies that paid Dr. Hart the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nathan D. Hart graduated from University of Illinois College of Medicine - Chicago
Dr. Hart graduated from University of Illinois College of Medicine - Chicago in 2005.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Nathan D. Hart accepts plans from 2 insurance carriers
Dr. Hart is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Hart accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Nathan D. Hart's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Nathan D. Hart
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Nathan D. Hart's NPI number?
Dr. Nathan D. Hart's NPI number is 1710174180. It was assigned on October 1, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathan D. Hart?
Dr. Nathan D. Hart is an orthopedic surgeon in Richmond, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Nathan D. Hart practice?
Dr. Hart practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Hart's primary practice is Richmond Medical Center in Richmond, California. Dmand AI also links Dr. Hart to 1 hospital and 1 medical group.
What is Dr. Nathan D. Hart's office phone number?
The practice phone on file for Dr. Hart is (510) 307-1555.
What is Dr. Nathan D. Hart's medical license number?
Dr. Hart holds California license A100631, one of the licenses on file in 3 states.
Which states has Dr. Nathan D. Hart been licensed in?
Dmand AI has state licenses on file for Dr. Hart in California (2007 to 2026), South Carolina (2010 to 2013) and Illinois (2000 to 2001).
Which hospitals is Dr. Nathan D. Hart affiliated with?
Dr. Hart is affiliated with Stanford Hospital at 300 Pasteur Drive. Dmand AI links Dr. Hart to 1 more hospital.
What medical group is Dr. Nathan D. Hart part of?
Dr. Hart is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Hart to 1 more medical group.
Does Dr. Nathan D. Hart accept Medicare?
Yes. CMS lists Dr. Hart as accepting Medicare assignment.
Is Dr. Nathan D. Hart board certified?
Yes. Dr. Hart is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
Show 7 more questionsShow fewer questions
Where did Dr. Nathan D. Hart go to medical school?
Dr. Hart graduated from University of Illinois College of Medicine - Chicago in 2005.
What drugs does Dr. Nathan D. Hart prescribe most?
In 2023 Medicare Part D data, Dr. Hart's most prescribed drugs by claims were Ibuprofen, Oxycodone HCl and Amoxicillin.
Has Dr. Nathan D. Hart received payments from drug or device companies?
CMS Open Payments shows $544 in general payments to Dr. Hart from 2 companies from 2016 to 2024. The largest total came from Exactech, Inc.
How long has Dr. Nathan D. Hart been practicing?
Dr. Hart graduated from medical school in 2005, 21 years ago.
Does Dr. Nathan D. Hart do research?
Dmand AI links 6 publications to Dr. Hart, published from 2010 to 2012.
Who does Dr. Nathan D. Hart publish with?
Dr. Hart's most frequent co-authors are Timothy Robert McAdams, MD (2 shared papers), William E. Bragg, MD (1 shared paper) and Christopher Michael Dolan, MD (1 shared paper).
What insurance does Dr. Nathan D. Hart accept?
Dr. Hart is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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