Doctor profile · Federal record

Dr. Phillip Alscher, MD

Internal Medicine Physician (CMS: Nephrology) · Mason City, IA

  • NPI 1700993888
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 4Th St Sw, Suite Im
Mason City, IA 504012800
(641) 422-6999
fax (641) 422-6678
Mailing address
621 S Illinois Ave, Suite 103
Mason City, IA 504015489

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Iowa #31119
Medicaid
IA #1135707

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700993888. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
534
Distinct HCPCS
5
Medicare allowed
$52,779
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 281 147 $73
99239 Hospital discharge day management, more than 30 minutes 106 101 $104
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 83 81 $158
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 50 44 $109
99291 Critical care, first 30-74 minutes 14 13 $197

In context: peer comparison

Among 7 peers in Mason City Internal Medicine Physician, average services per provider: 221. This provider delivers 2.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
65
Patients
23
Total drug cost
$11,989
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 30 0 $11,803
Losartan Potassium Generic 12 0 $67
Prednisone Generic 12 12 $61
Cephalexin Generic 11 11 $58

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Phillip Alscher's medical specialty?
Dr. Phillip Alscher practices Internal Medicine Physician in Mason City, IA.
Where does Dr. Phillip Alscher practice?
Dr. Phillip Alscher practices at 1000 4Th St Sw, Mason City, IA 504012800. Office phone: 6414226999.
What is Dr. Phillip Alscher's NPI?
Dr. Phillip Alscher's National Provider Identifier (NPI) is 1700993888, issued by NPPES.
Does Dr. Phillip Alscher accept Medicare assignment?
Dr. Phillip Alscher does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Phillip Alscher commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.