John Patrick Loftus, M.D.
Vascular Surgery Physician · Napa, CA
John Patrick Loftus, M.D. is a vascular surgery physician with a practice address in Napa, California, and NPI 1922074319, issued on Feb 24, 2006. Check the license (California G84281, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Patrick Loftus
- Credential
- M.D.
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License number
- G84281 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3443 Villa LN Ste 5, Napa, CA 94558
- Phone
- (707) 226-2031
- Enumerated
- Feb 24, 2006
- Record last updated
- Feb 26, 2025
- Fax
- (707) 252-1087
- Medicare enrollment
- Enrolled (PECOS I20040216001348); accepts Medicare assignment
- Medical or professional school
- Mayo Medical School, 1989
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 3443 Villa LN Ste 5
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Orlando Chavez, D.P.M.Podiatrist1538133822
Verify John Patrick Loftus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G84281Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average vascular surgery physician in 2024
178 Medicare Part D claims for 97 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. 85 claims were for opioids.
Most prescribed
- Tramadol Hcl71 claims
- Clopidogrel35 claims
- Cilostazol31 claims
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: $1,225.06
9 payments; by number, the most common kind was food and beverage; the largest payer was Penumbra, Inc. The 4,059 providers of this specialty with any payment received $6,178.00 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 2 group practices
- Bass Medical GroupAlamo, CA
- Providence Medical FoundationNapa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Vascular Surgery Physician providers in California
There are 580 vascular surgery physician records in California.
Other vascular surgery physician records in California
- Oliver Aalami, M.D.Stanford, CA1225229024
- Shahram Aarabi, MDOakland, CA1972700458
- Arad Abadi, MDLancaster, CA1730673724
- Ryan Abdul-HaqqWest Hollywood, CA1386087864
- Andrew Abi-Chaker, M.D.Sherman Oaks, CA1528488467
- Ahmed Abou-Zamzam, M.D.Loma Linda, CA1558306795
- Joseph Abu-Dalu, MDLos Angeles, CA1821157587
- Queen Abure, MDSan Francisco, CA1710772074
- Riad Adoumie, M.D.Torrance, CA1467465930
- Massoud Agahi, M.D.Beverly Hills, CA1952367070
Common questions
What is John Patrick Loftus, M.D.'s NPI number?
John Patrick Loftus, M.D.'s National Provider Identifier (NPI) is 1922074319, issued on Feb 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Patrick Loftus, M.D. located?
The NPPES record lists a practice address at 3443 Villa LN Ste 5, Napa, CA, 94558. Phone: (707) 226-2031. Providers update this record themselves, so call before visiting.
How can I verify John Patrick Loftus, M.D.'s license?
NPPES lists California license number G84281, 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 John Patrick Loftus, M.D. prescribe under Medicare Part D?
In 2024, John Patrick Loftus, M.D. had 178 Medicare Part D claims for 97 beneficiaries; the average among vascular surgery physician prescribers was 201. 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.