DR. MARK GARRET (M.D.) – Neuromuscular Medicine (Psychiatry & Neurology) Physician, NPI 1245683226
Neuromuscular Medicine (Psychiatry & Neurology) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
812 NEUROLOGY in MO
Provider Addresses for DR. MARK GARRET (M.D.)
1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 631101003
Phone: (314) 362-5000
Type: Location
55 Fruit St # 835
Boston, MA 021142696
Phone: (617) 724-3914
Fax: (617) 724-7290
Type: Location
660, South Euclid Avenue, Central West End, City of Saint Louis, Missouri, 63110, United States
CAMPUS BOX 8111, WASHINGTON UNIVERSITY, NEUROLOGY
ST. LOUIS, MO 63110
Phone: (314) 362-5000
Type: Mailing
15 PARKMAN ST
BOSTON, MA 021143117
Phone: (617) 726-2000
Type: Location
165 CAMBRIDGE ST STE 600
BOSTON, MA 021142781
Phone: (617) 724-3914
Type: Mailing
1 MEDICAL CENTER DR # 1000
LEBANON, NH 037560001
Phone: (603) 650-5000
Fax: (603) 640-1228
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $28.
Total Amount is formed as General ($28) + Research ($0) + Ownership ($0) = $28.
Last reported payment date: 2023-11-08 • Largest payer in this snapshot: MITSUBISHI TANABE PHARMA AMERICA, INC. ($28).
Total Amount
$28
General + Research + Ownership
Payments
1
Total payment records
General Amount
$28
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-11-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| MITSUBISHI TANABE PHARMA AMERICA, INC. | $28 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2024-11-14
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20220628002367 | I | Neurology | MA | TBD |
| I20241114000176 | I | Neurology | NH | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 83 | 61 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 45 | 45 | $0 |
| 95885 | Needle measurement of electrical activity in arm or leg muscles, limited study | 23 | 15 | $0 |
| 95886 | Needle measurement of electrical activity in arm or leg muscles, complete study | 15 | 14 | $0 |
Insurance plans in this area (ZIP 63110)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | NH | |
| - | NH | |
| Family Practice | NH | |
| Cardiovascular Disease (Cardiology) | AZ | |
| - | NH | |
| Nurse Practitioner | NH | |
| Clinical Social Worker | VT | |
| Nurse Practitioner | NH | |
| Radiation Oncology | NH | |
| - | NH |
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