Doctor profile · Federal record

Dr. Cyril Grum, MD

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Ann Arbor, MI

  • NPI 1659453561
  • Accepts Medicare
  • 49 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 E Medical Center Dr
Ann Arbor, MI 481095000
(734) 936-4000
Mailing address
3621 S State St
Ann Arbor, MI 481081633

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
December 21, 2020
Year of graduation
1977 — 49 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Michigan #4301042297
Medicaid
MI #1425712

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659453561. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
334
Distinct HCPCS
8
Medicare allowed
$3,017
HCPCS Description Services Patients Avg allowed
94010 Test to measure expiratory airflow and volume 103 101 $8
94729 Test to examine how well the lungs exchange gases 77 76 $9
94729 Test to examine how well the lungs exchange gases 43 43 $9
94010 Test to measure expiratory airflow and volume 37 37 $8
94726 Test to determine lung volumes using sensors 27 27 $12
94726 Test to determine lung volumes using sensors 18 18 $12
94060 Test to measure expiratory airflow and volume changes before and after medication administration 16 16 $10
94060 Test to measure expiratory airflow and volume changes before and after medication administration 13 13 $10

In context: peer comparison

Among 25 peers in Ann Arbor Pulmonary Disease Physician, average services per provider: 43. This provider delivers 7.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
27
Patients
0
Total drug cost
$1,595
Drug Type Claims Patients Total cost
Montelukast Sodium Generic 16 0 $361
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 11 0 $1,235

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Cyril Grum's medical specialty?
Dr. Cyril Grum practices Pulmonary Disease Physician in Ann Arbor, MI.
Where does Dr. Cyril Grum practice?
Dr. Cyril Grum practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. Cyril Grum's NPI?
Dr. Cyril Grum's National Provider Identifier (NPI) is 1659453561, issued by NPPES.
Does Dr. Cyril Grum accept Medicare assignment?
Yes. Dr. Cyril Grum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cyril Grum commonly perform?
Top Medicare-reported procedures in 2023: Test to measure expiratory airflow and volume (HCPCS 94010); Test to examine how well the lungs exchange gases (HCPCS 94729); Test to examine how well the lungs exchange gases (HCPCS 94729). Source: CMS Medicare Physician & Other Practitioners file.