Physician Profile
John A. Carstensen, MD
Unclaimed ProfileAbout Dr. Carstensen
Based in Des Moines, IA, John A. Carstensen, MD is listed in the NPI registry under internal medicine. John graduated from University of Iowa, Rj & L Carver College of Medicine in 2000. According to Medicare claims data, John cared for 1,818 Medicare patients across 4,817 services. The services billed most often include injection, denosumab, 1 mg, chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (515) 241-8221
- Email not available
Practice Locations
1221 PLEASANT ST SUITE 200
Des Moines, IA 50309
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
- Shingles
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
- Alzheimer's disease
Brain and nerves
- Vertigo
Cardiac and vascular
- AFib
Digestive
- Diverticulitis
Heart & Circulation
Infections
Kidney & Bladder
- Overactive Bladder and Leakage
Lungs & Breathing
- Sleep apnea
Mental Health
- Generalized anxiety disorder
- Insomnia and Sleep Problems
Neurologic and behavioral
- Depression
- Migraines
Pain
Rheumatologic and pain
- Osteoarthritis
Procedures & services
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
- Trigger Point Injections
Brain and nerves
- Epley Maneuver
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart health
Imaging referral
Immunizations
Lab tests
- Urinalysis
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
- Cryotherapy for skin lesions
- Earwax removal
- Incision and drainage of an abscess
- Skin biopsy
Office Procedures
Pain management
- Knee Joint Injection
Preventive & Routine Care
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
Procedures Most Often Billed to Medicare
4,817 services · 1,818 patients · 24 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
514 | More often than most peers in Internal Medicine |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
96 | More than most peers in Internal Medicine |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
96 | More than most peers in Internal Medicine |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
55 | As often as other peers in Internal Medicine |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
55 | More often than most peers in Internal Medicine |
| Assessment of emotional or behavioral problems | Treatment | 96127 |
28 | As often as other peers in Internal Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
27 | As often as other peers in Internal Medicine |
| Influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage | Treatment | 90656 |
12 | |
| Injection, denosumab, 1 mg | Drug given | J0897 |
1,140 | |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
565 | More often than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other internists in Des Moines 8
Same specialty, same city.
Trained at University of Iowa, Rj & L Carver College of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 2000 at University of Iowa, Rj & L Carver College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in IA who bill this service to Medicare most often.
Common questions
What is Dr. Carstensen's specialty?
Dr. Carstensen is an internist in Des Moines, IA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where can I find Dr. Carstensen?
Dr. Carstensen is listed at 1221 Pleasant St Suite 200, Des Moines, IA 50309. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Carstensen?
The number on file is (515) 241-8221. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Carstensen's NPI number?
Dr. Carstensen's National Provider Identifier is 1851378012. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Carstensen's medical education?
Dr. Carstensen attended University of Iowa, Rj & L Carver College of Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Carstensen been practicing?
Dr. Carstensen has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Carstensen known for?
According to Medicare billing data, Dr. Carstensen performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as sarscov2 vac 50 mcg/0.5ml im and admn sarscov2 vacc 1 dose, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Carstensen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Carstensen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.