Doctor profile · Federal record

Dr. John Carstensen, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Des Moines, IA

  • NPI 1851378012
  • Accepts Medicare
  • 26 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1221 Pleasant St, Suite 200
Des Moines, IA 503091423
(515) 241-8221
fax (515) 241-4001

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
March 1, 2012
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Iowa #34214 · Florida #ME105681
Medicaid (3)
IA #1851378012 · IA #0291468 · FL #001716300

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851378012. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,712
Distinct HCPCS
10
Medicare allowed
$180,711
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 555 294 $118
36415 Insertion of needle into vein for collection of blood sample 484 274 $8
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 365 92 $58
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 259 58 $45
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 227 227 $119
99215 Established patient office or other outpatient visit, 40-54 minutes 85 69 $160
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 84 11 $1
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 77 39 $45
0124A Adm sarscv2 bvl 30mcg/.3ml a 73 72 $38
G0008 Administration of influenza virus vaccine 60 59 $29

In context: peer comparison

Among 35 peers in Des Moines Internal Medicine Physician, average services per provider: 112. This provider delivers 24× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,961
Patients
789
Total drug cost
$190,491
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 538 152 $6,907
Amlodipine Besylate Generic 314 79 $2,807
Losartan Potassium Generic 251 64 $2,831
Levothyroxine Sodium Generic 236 60 $4,605
Pantoprazole Sodium Generic 202 50 $2,980
Lisinopril Generic 175 45 $1,544
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 171 48 $7,998
Gabapentin Generic 153 44 $5,723
Omeprazole Generic 152 44 $2,441
Simvastatin Generic 142 41 $1,227

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Carstensen's medical specialty?
Dr. John Carstensen practices Internal Medicine Physician in Des Moines, IA.
Where does Dr. John Carstensen practice?
Dr. John Carstensen practices at 1221 Pleasant St, Des Moines, IA 503091423. Office phone: 5152418221.
What is Dr. John Carstensen's NPI?
Dr. John Carstensen's National Provider Identifier (NPI) is 1851378012, issued by NPPES.
Does Dr. John Carstensen accept Medicare assignment?
Yes. Dr. John Carstensen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Carstensen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Chronic care management services (HCPCS 99490). Source: CMS Medicare Physician & Other Practitioners file.