NPPES file of Aug 9, 2026

Alexander Ludwig, DO

Family Medicine Physician · Lakeport, CA

Alexander Ludwig, DO is a family medicine physician with a practice address in Lakeport, California, and NPI 1467912527, issued on Mar 23, 2019. Check the license (California 20A20376, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1467912527
Name
Alexander Ludwig
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A20376 CA
Self-reported in NPPES; status is on the state search
Practice location
5196 Hill RD E Ste 300, Lakeport, CA 95453
Phone
(707) 263-6885
Enumerated
Mar 23, 2019
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 5196 Hill RD E Ste 300

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Donovan Bland, MDSurgery Physician1811966898
  2. Milcah Gichuru, FNP-BCFamily Nurse Practitioner1700132941
  3. Kimberly Kirschner, PA-CPhysician Assistant1194567727
  4. Marc Seeley, DOFamily Medicine Physician1851687602
  5. Amanda Smithers, PA-CMedical Physician Assistant1184052003
  6. Nardia Sokol, DPMPodiatrist1700308525

Verify Alexander Ludwig in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A20376
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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49% fewer Medicare Part D claims than the average family medicine physician in 2024

1,816 Medicare Part D claims for 187 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Alexander Ludwig1,816
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium162 claims
  2. Lisinopril103 claims
  3. Levothyroxine Sodium99 claims
  4. Sertraline Hcl60 claims
  5. Albuterol Sulfate Hfa59 claims
  6. Amlodipine Besylate52 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.

Bills Medicare through 2 group practices

  1. Sutter Bay HospitalsLakeport, CA
  2. Sutter Lakeside Home Medical ServicesLakeport, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

9 family medicine physician records list a practice address in Lakeport

They are 9 of the 375 NPPES records with a practice address in Lakeport, and 17,133 family medicine physician records in California.

Other family medicine physician records in California

  1. Omer Aba-Omer, MDSanta Monica, CA1649702093
  2. Michelle Ababa, MDWilmington, CA1710922513
  3. Anna Tzeitel Abalos, MDRoseville, CA1720200017
  4. Adan Abarca, MDAnaheim, CA1760553689
  5. Vanessa Abarca, DOVentura, CA1952040859
  6. Lorraine Abate, M.D.Sacramento, CA1104840008
  7. Robert Abatecola, MDCastro Valley, CA1669551719
  8. Romeo Abaya, M.D.Cottonwood, CA1598053506
  9. Effiem Abbah, MD, MPHSan Francisco, CA1821185133
  10. Khuzeman Abbasi, MDSanta Rosa, CA1841979952

Common questions

What is Alexander Ludwig, DO's NPI number?

Alexander Ludwig, DO's National Provider Identifier (NPI) is 1467912527, issued on Mar 23, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Ludwig, DO located?

The NPPES record lists a practice address at 5196 Hill RD E Ste 300, Lakeport, CA, 95453. Phone: (707) 263-6885. Providers update this record themselves, so call before visiting.

How can I verify Alexander Ludwig, DO's license?

NPPES lists California license number 20A20376, 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 Alexander Ludwig, DO prescribe under Medicare Part D?

In 2024, Alexander Ludwig, DO had 1,816 Medicare Part D claims for 187 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.