Doctor profile · Federal record

Dr. Michael Zang, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Catonsville, MD

  • NPI 1184681660
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
700 Geipe RD Ste 275
Catonsville, MD 212284152
(443) 636-3100
fax (443) 636-3101

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
May 17, 2021
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Maryland #D0054426
Medicaid
MD #342102300

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184681660. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
545
Distinct HCPCS
5
Medicare allowed
$71,105
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 281 174 $133
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 172 172 $135
99213 Established patient office or other outpatient visit, 20-29 minutes 50 34 $94
99215 Established patient office or other outpatient visit, 40-54 minutes 26 20 $188
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 16 13 $55

In context: peer comparison

Among 16 peers in Catonsville Internal Medicine Physician, average services per provider: 105. This provider delivers 5.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,405
Patients
423
Total drug cost
$141,654
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 357 102 $12,589
Levothyroxine Sodium Generic 153 45 $2,088
Atorvastatin Calcium Generic 105 30 $1,888
Metoprolol Succinate Generic 95 27 $2,090
Ezetimibe Generic 89 29 $4,711
Amlodipine Besylate Generic 85 23 $753
Eliquis (Apixaban) Brand 82 22 $111,169
Lisinopril Generic 81 20 $558
Metformin Hcl Generic 80 22 $692
Ramipril Generic 75 22 $1,621

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Zang's medical specialty?
Dr. Michael Zang practices Internal Medicine Physician in Catonsville, MD.
Where does Dr. Michael Zang practice?
Dr. Michael Zang practices at 700 Geipe RD Ste 275, Catonsville, MD 212284152. Office phone: 4436363100.
What is Dr. Michael Zang's NPI?
Dr. Michael Zang's National Provider Identifier (NPI) is 1184681660, issued by NPPES.
Does Dr. Michael Zang accept Medicare assignment?
Yes. Dr. Michael Zang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Zang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.