NPPES file of Aug 9, 2026

Meredith K. Williams, MD

Maternal & Fetal Medicine Physician · Portland, OR

Meredith K. Williams, MD is a maternal & fetal medicine physician with a practice address in Portland, Oregon, and NPI 1811970049, issued on Nov 22, 2005. Check the license (Oregon MD157988, 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
1811970049
Name
Meredith K. Williams
Credential
MD
Primary taxonomy
Maternal & Fetal Medicine Physician 207VM0101X
License number
MD157988 OR
Self-reported in NPPES; status is on the state search
Practice location
9701 SW Barnes RD Ste 299, Portland, OR 97225
Phone
(503) 297-3660
Enumerated
Nov 22, 2005
Record last updated
Jan 30, 2026
Fax
(503) 297-7637
Medicaid ID
500645545 OR
Medicare enrollment
Enrolled (PECOS I20120803000132); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 2001
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 9701 SW Barnes RD Ste 299

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

  1. Lisa Farkouh, MDMaternal & Fetal Medicine Physician1447212261
  2. Barbra Fisher, MDMaternal & Fetal Medicine Physician1679695050
  3. Patricia Robertson, M.D.Maternal & Fetal Medicine Physician1609069525
  4. Laura Sienas, MDMaternal & Fetal Medicine Physician1538507314
  5. Michael Smrtka, MDMaternal & Fetal Medicine Physician1407023989
  6. Ashlie Tronnes, MDMaternal & Fetal Medicine Physician1952562753

Verify Meredith K. Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD157988    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 Healthcare Associates LLCPortland, OR

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

Meredith K. Williams among 57 maternal & fetal medicine physician records in Oregon

Meredith K. Williams, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 91% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2001 · median 2006 among the 40 with a school on file
  • Record last updated2026 · 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 Portland → Maternal & Fetal Medicine Physician nationwide →

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

  1. Elizabeth Brass, MDPortland, OR 972251124165493
  2. Lisa Farkouh, MDPortland, OR 972251447212261
  3. Barbra Fisher, MDPortland, OR 972251679695050
  4. Kathleen Kennedy, M.D.Portland, OR 972251174659353
  5. Thomas Lee, MDPortland, OR 972251194708230
  6. Patricia Robertson, M.D.Portland, OR 972251609069525
  7. Laura Sienas, MDPortland, OR 972251538507314
  8. Michael Smrtka, MDPortland, OR 972251407023989

Common questions

What is Meredith K. Williams, MD's NPI number?

Meredith K. Williams, MD's National Provider Identifier (NPI) is 1811970049, issued on Nov 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Meredith K. Williams, MD located?

The NPPES record lists a practice address at 9701 SW Barnes RD Ste 299, Portland, OR, 97225. Phone: (503) 297-3660. Providers update this record themselves, so call before visiting.

How can I verify Meredith K. Williams, MD's license?

NPPES lists Oregon license number MD157988, 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.