Nathaniel Westphal, M.D.
Critical Care Medicine (Internal Medicine) Physician · Toledo, OH
Nathaniel Westphal, M.D. is a critical care medicine (internal medicine) physician with a practice address in Toledo, Ohio, and NPI 1003341496, issued on Apr 24, 2017. Check the license (Ohio 35.145725, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Nathaniel Westphal
- Credential
- M.D.
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- 35.145725 OH
227190 NC
Self-reported in NPPES; status is on the state search - Practice location
- 2142 N Cove Boulevard, Toledo, OH 43604
- Phone
- (419) 291-1111
- Enumerated
- Apr 24, 2017
- Record last updated
- Nov 3, 2023
- Fax
- (419) 479-3253
- Medicare enrollment
- Enrolled (PECOS I20220728001814); accepts Medicare assignment
- Medical or professional school
- Medical College Of Ohio, 2017
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 204 in Ohio → Look up another NPI →
Verify Nathaniel Westphal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.145725Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Promedica Central PhysiciansToledo, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathaniel Westphal among 204 critical care medicine (internal medicine) physician records in Ohio
Nathaniel Westphal, M.D. is one of 204 critical care medicine (internal medicine) physician records with a practice address in Ohio. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 83% of them.
- NPI issued2017 · 83% of these records are older, 12% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2017 · median 2008 among the 164 with a school on file
- Record last updated2023 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Ohio
There are 204 critical care medicine (internal medicine) physician records in Ohio.
All 204 in Ohio → Every provider in Toledo → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- James Case, MDToledo, OH 436061043417652
- Jennifer PelweckiToledo, OH 436061154180909
- Harith Adnan, MDToledo, OH 436081417454257
- Bassam Sarrouj, M.D.Toledo, OH 436231073594024
- Ahmad Abdelwahed, M.D.Sylvania, OH 435601194981365
- Ashley Black, D.O.Sylvania, OH 435601316254139
- Hany Jacob, MDMaumee, OH 435371992786677
- Abdul-Karim Haffar, M.D.Holland, OH 435281174520985
Common questions
What is Nathaniel Westphal, M.D.'s NPI number?
Nathaniel Westphal, M.D.'s National Provider Identifier (NPI) is 1003341496, issued on Apr 24, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel Westphal, M.D. located?
The NPPES record lists a practice address at 2142 N Cove Boulevard, Toledo, OH, 43604. Phone: (419) 291-1111. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel Westphal, M.D.'s license?
NPPES lists Ohio license number 35.145725, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. 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.
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.