Doctor profile · Federal record

Dr. Nathaniel Westphal, M.D.

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Emergency Medicine Physician · Student in an Organized Health Care Education/Training Program · Toledo, OH

  • NPI 1003341496
  • Accepts Medicare
  • 9 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2142 N Cove Boulevard, Department of Anesthesia Toledo Critical Care
Toledo, OH 43604
(419) 291-1111
fax (419) 479-3253
Mailing address
333 N Summit St Fl 7
Toledo, OH 436041531

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
November 3, 2023
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State licenses (2)
Ohio #35.145725 · North Carolina #227190

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003341496. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
88
Distinct HCPCS
2
Medicare allowed
$16,760
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 72 38 $207
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 16 16 $115

In context: peer comparison

Among 3 peers in this city , average services per provider: 90. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathaniel Westphal's medical specialty?
Dr. Nathaniel Westphal practices Critical Care Medicine (Internal Medicine) Physician in Toledo, OH.
Where does Dr. Nathaniel Westphal practice?
Dr. Nathaniel Westphal practices at 2142 N Cove Boulevard, Toledo, OH 43604. Office phone: 4192911111.
What is Dr. Nathaniel Westphal's NPI?
Dr. Nathaniel Westphal's National Provider Identifier (NPI) is 1003341496, issued by NPPES.
Does Dr. Nathaniel Westphal accept Medicare assignment?
Yes. Dr. Nathaniel Westphal accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathaniel Westphal commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.