Doctor profile · Federal record

Dr. Donald Hammer, MD

Cardiovascular Disease Physician · Cleveland, OH

  • NPI 1538255096
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9500 Euclid Ave
Cleveland, OH 441950001
(800) 223-2273
Mailing address
6000 West Creek RD, Suite 10
Independence, OH 441312139

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
February 6, 2008
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Ohio #35043941H
Medicaid
OH #0705053

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538255096. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
744
Distinct HCPCS
7
Medicare allowed
$66,509
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 361 257 $93
99213 Established patient office or other outpatient visit, 20-29 minutes 162 130 $63
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 86 32 $76
99204 New patient office or other outpatient visit, 45-59 minutes 53 53 $129
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 51 50 $126
99212 Established patient office or other outpatient visit, 10-19 minutes 19 18 $34
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 12 12 $167

In context: peer comparison

Among 62 peers in Cleveland Cardiovascular Disease Physician, average services per provider: 101. This provider delivers 7.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,750
Patients
604
Total drug cost
$513,194
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 262 92 $7,614
Atorvastatin Calcium Generic 228 80 $3,870
Eliquis (Apixaban) Brand 178 44 $209,921
Rosuvastatin Calcium Generic 168 62 $3,942
Entresto (Sacubitril/Valsartan) Brand 117 36 $173,109
Losartan Potassium Generic 107 38 $1,513
Amlodipine Besylate Generic 98 39 $717
Ezetimibe Generic 95 31 $4,964
Lisinopril Generic 91 35 $895
Carvedilol Generic 88 31 $1,448

Frequently asked questions

Auto-generated from federal data
What is Dr. Donald Hammer's medical specialty?
Dr. Donald Hammer practices Cardiovascular Disease Physician in Cleveland, OH.
Where does Dr. Donald Hammer practice?
Dr. Donald Hammer practices at 9500 Euclid Ave, Cleveland, OH 441950001. Office phone: 8002232273.
What is Dr. Donald Hammer's NPI?
Dr. Donald Hammer's National Provider Identifier (NPI) is 1538255096, issued by NPPES.
What procedures does Dr. Donald Hammer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.