NPPES file of Aug 9, 2026

Charlotte Ann Clausen, MD

Maternal & Fetal Medicine Physician · Springfield, OR

Charlotte Ann Clausen, MD is a maternal & fetal medicine physician with a practice address in Springfield, Oregon, and NPI 1548338841, issued on Dec 4, 2006. Check the license (Oregon MD 27457, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1548338841
Name
Charlotte Ann Clausen
Credential
MD
Primary taxonomy
Maternal & Fetal Medicine Physician 207VM0101X
License number
MD 27457 OR
Self-reported in NPPES; status is on the state search
Practice location
3355 Riverbend Dr, Springfield, OR 97477
Phone
(541) 349-7600
Enumerated
Dec 4, 2006
Record last updated
Oct 1, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(541) 246-2353
Medicaid ID
274319 OR
Medicare enrollment
Enrolled (PECOS I20070709000494); accepts Medicare assignment
Medical or professional school
University Of Kansas School Of Med (Kc/Wich/Sal), 2000
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest maternal & fetal medicine physician records → All 57 in Oregon → Look up another NPI →

Also registered at 3355 Riverbend Dr

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

  1. Janet Adee, RDRegistered Dietitian1376886143
  2. Khuram Ameen, M.D.Pulmonary Disease Physician1881600450
  3. Keith Balderston, MDMaternal & Fetal Medicine Physician1871525337
  4. Sara Batya, M.D.Neurology Physician1801084116
  5. Robert Carolan, M.D.Pulmonary Disease Physician1578570719
  6. Craig Chamberlain, MDGastroenterology Physician1598784928

Verify Charlotte Ann Clausen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD 27457    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 Oregon 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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Bills Medicare through one group practice

  1. Womens Care PCSpringfield, OR

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

Charlotte Ann Clausen among 57 maternal & fetal medicine physician records in Oregon

Charlotte Ann Clausen, MD is one of 57 maternal & fetal medicine physician records with a practice address in Oregon. 72% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 56% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2000 · median 2006 among the 40 with a school on file
  • Record last updated2013 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Maternal & Fetal Medicine Physician providers in Oregon

There are 57 maternal & fetal medicine physician records in Oregon.

All 57 in Oregon → Every provider in Springfield → Maternal & Fetal Medicine Physician nationwide →

The 8 maternal & fetal medicine physician records with the nearest ZIP codes

  1. Keith Balderston, MDSpringfield, OR 974771871525337
  2. Francis Hacker, MDSpringfield, OR 974771770923591
  3. Vern Katz, MDSpringfield, OR 974771477578532
  4. Leah Bernard, MDMedford, OR 975041487737573
  5. Linda Hopkins, MDMedford, OR 975041952343873
  6. Daniel Kahn, MDMedford, OR 975041144265463
  7. Marie Boller, MDPortland, OR 972391215468459
  8. Irina Cassimatis, M.D.Portland, OR 972391194119172

Common questions

What is Charlotte Ann Clausen, MD's NPI number?

Charlotte Ann Clausen, MD's National Provider Identifier (NPI) is 1548338841, issued on Dec 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charlotte Ann Clausen, MD located?

The NPPES record lists a practice address at 3355 Riverbend Dr, Springfield, OR, 97477. Phone: (541) 349-7600. Providers update this record themselves, so call before visiting.

How can I verify Charlotte Ann Clausen, MD's license?

NPPES lists Oregon license number MD 27457, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.

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.