Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

John A Desalvo, DO

Individual provider Emergency Medicine Physician · NPI 1336134402

John A Desalvo, DO practises Emergency Medicine in Hammond, Indiana. Graduated from Chicago College of Osteopathy in 1999, 27 years ago. Practices with Cook County, a 787-clinician group and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
27
Trained at
Chicago College of Osteopathy
Licensed in
IN
In the registry since
2005
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

5454 Hohman Ave
Hammond, IN 46320-1931 Not confirmed with CMS for 12 years — call before visiting
Phone: (219) 933-2077
Fax: (219) 864-2649
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 02002635A (IN)

Record details

NPI number1336134402
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedSeptember 15, 2005
Last updated in NPPESSeptember 12, 2014

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolCHICAGO COLLEGE OF OSTEOPATHY
Graduated 1999 (27 years in practice)
Group practice Cook County — 787 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients186
Services billed 197 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Cook County

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 787 clinicians in the practice; 12 are shown here.

Other providers in Hammond