Erin Carpenter Westerholm, D.O.
Obstetrics & Gynecology Physician · Mansfield, TX
Erin Carpenter Westerholm, D.O. is an obstetrics & gynecology physician with a practice address in Mansfield, Texas, and NPI 1447332473, issued on Oct 19, 2006. Check the license (Texas L9544, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Erin Carpenter Westerholm
- Credential
- D.O.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- L9544 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2800 East Broad Street, Mansfield, TX 76063
- Phone
- (817) 473-7172
- Enumerated
- Oct 19, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,524 in Texas → Look up another NPI →
Verify Erin Carpenter Westerholm in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L9544Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
45 Medicare Part D claims for 13 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Progesterone26 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.
Erin Carpenter Westerholm among 3,524 obstetrics & gynecology physician records in Texas
Erin Carpenter Westerholm, D.O. is one of 3,524 obstetrics & gynecology physician records with a practice address in Texas. 78% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 53% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2007 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 obstetrics & gynecology physician records list a practice address in Mansfield
They are 26 of the 1,471 NPPES records with a practice address in Mansfield, and 3,524 obstetrics & gynecology physician records in Texas.
All 3,524 in Texas → Every provider in Mansfield → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Vella Chancellor, M.D.Mansfield, TX 760631972594489
- Paul Daum, M.D.Mansfield, TX 760631942212576
- Heather Gardow, MDMansfield, TX 760631154521029
- Deshawndranique Gray, M.D.Mansfield, TX 760631336159300
- Robert Greve, MDMansfield, TX 760631629066428
- Brenda Harkins, MDMansfield, TX 760631649381096
- Heather Havener, M.D.Mansfield, TX 760631275736480
- Carolyn Kollar, D.O.Mansfield, TX 760631912976200
Common questions
What is Erin Carpenter Westerholm, D.O.'s NPI number?
Erin Carpenter Westerholm, D.O.'s National Provider Identifier (NPI) is 1447332473, issued on Oct 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Erin Carpenter Westerholm, D.O. located?
The NPPES record lists a practice address at 2800 East Broad Street, Mansfield, TX, 76063. Phone: (817) 473-7172. Providers update this record themselves, so call before visiting.
How can I verify Erin Carpenter Westerholm, D.O.'s license?
NPPES lists Texas license number L9544, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Erin Carpenter Westerholm, D.O. prescribe under Medicare Part D?
In 2024, Erin Carpenter Westerholm, D.O. had 45 Medicare Part D claims for 13 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.