Doctor profile · Federal record
Dr. Margaret Blayney, MD
Gastroenterology Physician (CMS: Gastroenterology) · East Lansing, MI
- NPI 1629413018
- Accepts Medicare
- 13 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1650 Ramblewood Dr Ste 100
East Lansing, MI 488237396
(517) 332-1200
fax (517) 351-7122 - Additional location
-
1500 E Medical Center Dr
Ann Arbor, MI 481095000
(734) 936-4000 - Mailing address
-
3621 S State St
Ann Arbor, MI 481081633
Credentials & registration
- NPI registered
- April 2013 — 13 yrs on file
- Profile last updated
- March 3, 2026
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Michigan #4301500792
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629413018. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
455
Distinct HCPCS
10
Medicare allowed
$53,434
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 69 | 69 | $236 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 68 | 58 | $97 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 48 | 43 | $94 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 35 | 35 | $69 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 28 | 19 | $81 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 25 | 24 | $66 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 23 | 23 | $124 | |
91120 |
Test for tone and sensation of rectum and anus | 23 | 23 | $46 | |
91122 |
Study of rectum sensitivity and function | 22 | 22 | $82 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 22 | 22 | $132 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 29. This provider delivers 16× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
623
Patients
262
Total drug cost
$160,647
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 144 | 56 | $4,201 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 85 | 84 | $2,804 |
| Colestipol Hcl | Generic | 45 | 17 | $3,720 |
| Linzess (Linaclotide) | Brand | 44 | 15 | $47,909 |
| Ondansetron Hcl | Generic | 39 | 18 | $524 |
| Pantoprazole Sodium | Generic | 39 | 17 | $1,010 |
| Buspirone Hcl | Generic | 33 | 12 | $374 |
| Dicyclomine Hcl | Generic | 33 | 15 | $751 |
| Motegrity (Prucalopride Succinate) | Brand | 30 | 0 | $35,806 |
| Creon (Lipase/Protease/Amylase) | Brand | 24 | 0 | $59,105 |
Hospital affiliations
Frequently asked questions
What is Dr. Margaret Blayney's medical specialty?
Dr. Margaret Blayney practices Gastroenterology Physician in East Lansing, MI.
Where does Dr. Margaret Blayney practice?
Dr. Margaret Blayney practices at 1650 Ramblewood Dr Ste 100, East Lansing, MI 488237396. Office phone: 5173321200.
What is Dr. Margaret Blayney's NPI?
Dr. Margaret Blayney's National Provider Identifier (NPI) is 1629413018, issued by NPPES.
Does Dr. Margaret Blayney accept Medicare assignment?
Yes. Dr. Margaret Blayney accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Blayney commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.