Gansevoort Hurlbut Dunnington, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Saint Helena, CA
Gansevoort Hurlbut Dunnington, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Saint Helena, California, and NPI 1336335140, issued on Sep 15, 2007. Check the license (California A82962, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gansevoort Hurlbut Dunnington
- Credential
- M.D.
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- A82962 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10 Woodland RD, Saint Helena, CA 94574
- Phone
- (707) 963-6445
- Enumerated
- Sep 15, 2007
- Record last updated
- Jul 21, 2022
- Fax
- (707) 967-5656
- Medicare enrollment
- Enrolled (PECOS I20101014000389); accepts Medicare assignment
- Medical or professional school
- Virginia Commonwealth University, School Of Medicine, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 634 in California → Look up another NPI →
Also registered at 10 Woodland RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nora Allen, RN, CNSAcute Care Clinical Nurse Specialist1710481932
- Stephen Banks, MDRadiation Oncology Physician1770680852
- Wendy Battistini, PTPhysical Therapist1215888276
- Julie Butulia, RDRegistered Dietitian1679376891
- Danny Cao, PHARMACISTPharmacist1447069570
- David Carelock, CRNACertified Registered Nurse Anesthetist1790773596
Verify Gansevoort Hurlbut Dunnington in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A82962Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
11 Medicare Part D claims, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $142,985.21
55 payments; by number, the most common kind was food and beverage; the largest payer was Pulse Biosciences, Inc. The 4,047 providers of this specialty with any payment received $7,828.84 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 3 group practices
- Adventist Health Physicians NetworkSaint Helena, CA
- Dignity Health Medical FoundationRedwood City, CA
- Providence Medical FoundationSanta Rosa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gansevoort Hurlbut Dunnington among 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California
Gansevoort Hurlbut Dunnington, M.D. is one of 634 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in California. 75% 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 55% of them.
- NPI issued2007 · 55% of these records are older, 37% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1997 · median 1997 among the 408 with a school on file
- Record last updated2022 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 thoracic surgery (cardiothoracic vascular surgery) physician records list a practice address in Saint Helena
They are 5 of the 232 NPPES records with a practice address in Saint Helena, and 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California.
All 634 in California → Every provider in Saint Helena → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Swaminadhan Gnanashanmugam, M.D.Saint Helena, CA 945741073765517
- John Jacobson, M.D.Saint Helena, CA 945741528048659
- Armin Kiankhooy, MDSaint Helena, CA 945741225156482
- Aaron Kime, M.D.Saint Helena, CA 945741841635869
- Isaac Choy, M.D.San Leandro, CA 945771578641320
- Thomas Tung, M.D.San Leandro, CA 945771053474379
- Robert Klingman, MDNapa, CA 945581982670667
- Shea Pribyl, D.O.Napa, CA 945581639336050
Common questions
What is Gansevoort Hurlbut Dunnington, M.D.'s NPI number?
Gansevoort Hurlbut Dunnington, M.D.'s National Provider Identifier (NPI) is 1336335140, issued on Sep 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gansevoort Hurlbut Dunnington, M.D. located?
The NPPES record lists a practice address at 10 Woodland RD, Saint Helena, CA, 94574. Phone: (707) 963-6445. Providers update this record themselves, so call before visiting.
How can I verify Gansevoort Hurlbut Dunnington, M.D.'s license?
NPPES lists California license number A82962, 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 Gansevoort Hurlbut Dunnington, M.D. prescribe under Medicare Part D?
In 2024, Gansevoort Hurlbut Dunnington, M.D. had 11 Medicare Part D claims; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.
What is Gansevoort Hurlbut Dunnington, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.