NPPES file of Aug 9, 2026

Katharine Potthast, LM

Midwife · Riverside, CA

Katharine Potthast, LM is a midwife with a practice address in Riverside, California, and NPI 1497007124, issued on Oct 4, 2012. Check the license (California 347, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1497007124
Name
Katharine Potthast
Credential
LM
Primary taxonomy
Midwife 176B00000X
License number
347 CA
Self-reported in NPPES; status is on the state search
Practice location
17399 Heights LN, Riverside, CA 92503
Phone
(714) 812-5283
Enumerated
Oct 4, 2012
Record last updated
Oct 4, 2012 (not updated in 14 years: call before relying on the address or phone)
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.
Download card Updates feed

Also registered at 17399 Heights LN

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

  1. Mirella Ceja, RNFARegistered Nurse1326995697

Verify Katharine Potthast in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 347    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
Find 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Midwife providers in California

There are 762 midwife records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 762 in California → Every provider in Riverside →

Other midwife records in California

  1. Brianna Adams, LMEncinitas, CA1851152185
  2. Marlee Adams, LM, CPM, MSMArcata, CA1528775129
  3. Nicole Adelman, CNMDavis, CA1386991677
  4. Mireille Adelson, C.N.M.Roseville, CA1508293788
  5. Misty Adriaanse, C.P.M., L.M.Long Beach, CA1811259740
  6. Halima Afi, LM CPMSan Rafael, CA1730723958
  7. Cassandra Albiso, MSN, CNM, WHNP, RNOrange, CA1861258782
  8. Tiffany AlblingerPoway, CA1144632019
  9. Debbie Allen, CPM, LM, CBEClaremont, CA1750645008
  10. Jeanne Anderson, LM, CPMNewbury Park, CA1558687491

Common questions

What is Katharine Potthast, LM's NPI number?

Katharine Potthast, LM's National Provider Identifier (NPI) is 1497007124, issued on Oct 4, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Katharine Potthast, LM located?

The NPPES record lists a practice address at 17399 Heights LN, Riverside, CA, 92503. Phone: (714) 812-5283. Providers update this record themselves, so call before visiting.

How can I verify Katharine Potthast, LM's license?

NPPES lists California license number 347, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.