HCPList Know more before you call. About
A DIFFERENT WAY TO EXPLORE

Similar work.
More providers to explore.

Compare the published Medicare service mix of Howard Leibowitz, MD with clinicians in the same registry specialty: Internal Medicine.

WORTHINGTON, MN · 100 milesEdit location
Within 100 miles · Approximate ZIP-area distance

Approximate straight-line distances between ZIP-area centers; a city search starts from the average of its ZIP centers. Uses the primary reported practice ZIP, not an exact office address or driving distance. Records without matched coordinates are excluded. How distance works

2024 published service data · 124 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Daniel Cecil, MD

Internal Medicine · Brookings, SD

Shared published services
3 shared services · view billing descriptions
  • Insertion of needle into vein for collection of blood sample (36415)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Blood test, comprehensive group of blood chemicals (80053)
70%Service-mix similarity~75.3 milesView profile →

Bithika Ray, M.D.

Internal Medicine · Mankato, MN

Shared published services
3 shared services · view billing descriptions
  • Insertion of needle into vein for collection of blood sample (36415)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Blood test, comprehensive group of blood chemicals (80053)
51%Service-mix similarity~88.0 milesView profile →

Eric J Storvick, MD

Internal Medicine · Mankato, MN

Shared published services
3 shared services · view billing descriptions
  • Insertion of needle into vein for collection of blood sample (36415)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Blood test, comprehensive group of blood chemicals (80053)
49%Service-mix similarity~87.5 milesView profile →

Timothy P Michals, M.D.

Internal Medicine · Marshall, MN

Shared published services
3 shared services · view billing descriptions
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Blood test, comprehensive group of blood chemicals (80053)
  • Blood test, basic group of blood chemicals (calcium, total) (80048)
44%Service-mix similarity~57.3 milesView profile →

Syed Asif Shah, MD

Internal Medicine · Sioux Falls, SD

Shared published services
3 shared services · view billing descriptions
  • Insertion of needle into vein for collection of blood sample (36415)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Blood test, comprehensive group of blood chemicals (80053)
23%Service-mix similarity~56.0 milesView profile →

David H. Daniels, M.D.

Internal Medicine · Sioux City, IA

Shared published services
3 shared services · view billing descriptions
  • Insertion of needle into vein for collection of blood sample (36415)
  • Hemoglobin a1c level (83036)
  • Automated urinalysis test (81003)
20%Service-mix similarity~88.7 milesView profile →

Can Cui, MD

Internal Medicine · Sioux Falls, SD

Shared published services
2 shared services · view billing descriptions
  • Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)
  • Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)
15%Service-mix similarity~56.9 milesView profile →

Mark O. Carlson, M.D.

Internal Medicine · Sioux City, IA

Shared published services
3 shared services · view billing descriptions
  • Insertion of needle into vein for collection of blood sample (36415)
  • Injection of drug or substance under skin or into muscle (96372)
  • Automated urinalysis test (81003)
14%Service-mix similarity~87.1 milesView profile →

Sandeep Pulimi, MD

Internal Medicine · Sioux City, IA

Shared published services
2 shared services · view billing descriptions
  • Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)
  • Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)
11%Service-mix similarity~87.9 milesView profile →

Andrea M. Pollema, M.D.

Internal Medicine · Mankato, MN

Shared published services
2 shared services · view billing descriptions
  • Insertion of needle into vein for collection of blood sample (36415)
  • Hemoglobin a1c level (83036)
10%Service-mix similarity~88.0 milesView profile →

Michael Tobin, M.D.

Internal Medicine · Sioux Falls, SD

Shared published services
2 shared services · view billing descriptions
  • Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)
  • Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)
7%Service-mix similarity~56.9 milesView profile →

David Solomon De Guzman Chua

Internal Medicine · Hawarden, IA

Shared published services
1 shared services · view billing descriptions
  • Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)
5%Service-mix similarity~61.5 milesView profile →
How this comparison works

We use the same calendar year of CMS Medicare Physician & Other Practitioners data for both providers. Published non-drug service counts are combined by HCPCS code across places of service. We apply log(1 + count), normalize the vectors, and compare them using cosine similarity.

Candidates share the reference provider’s current NPPES primary taxonomy and match the location you enter. We examine up to 500 candidates in approximate distance order, then show up to 12 with the highest positive similarity within that set. The score is not a percentile, medical recommendation, or prediction. Suppressed services are not estimated. Medicare fee-for-service data does not describe a provider’s entire practice.

Source: CMS Medicare Physician & Other Practitioners - by Provider and Service : 2024-12-01 · Published May 21, 2026.