Eric Neil Swagel, MD
Internal Medicine Physician · San Francisco, CA
Eric Neil Swagel, MD is an internal medicine physician with a practice address in San Francisco, California, and NPI 1326054354, issued on Jul 31, 2006. Check the license (California A73730, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Eric Neil Swagel
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A73730 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3580 California St., San Francisco, CA 94118
- Phone
- (415) 830-3090
- Enumerated
- Jul 31, 2006
- Record last updated
- May 1, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (415) 520-5191
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 3580 California St.
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Eric Neil Swagel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A73730Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
221 Medicare Part D claims for 11 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 13 claims were for opioids.
Most prescribed
- Atorvastatin Calcium18 claims
- Buprenorphine13 claims
- Mounjaro13 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: $42.87
1 payment: food and beverage; the largest payer was Cleerly, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Eric Neil Swagel among 17,696 internal medicine physician records in California
Eric Neil Swagel, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2013 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Francisco → Internal Medicine Physician nationwide →
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Common questions
What is Eric Neil Swagel, MD's NPI number?
Eric Neil Swagel, MD's National Provider Identifier (NPI) is 1326054354, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eric Neil Swagel, MD located?
The NPPES record lists a practice address at 3580 California St., San Francisco, CA, 94118. Phone: (415) 830-3090. Providers update this record themselves, so call before visiting.
How can I verify Eric Neil Swagel, MD's license?
NPPES lists California license number A73730, 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 Eric Neil Swagel, MD prescribe under Medicare Part D?
In 2024, Eric Neil Swagel, MD had 221 Medicare Part D claims for 11 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.