DR. MICHAEL GULLIVER ERKKINEN (M.D.) – Neurology Physician, NPI 1003179276
Neurology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,144 NEUROLOGY in MA
Provider Addresses for DR. MICHAEL GULLIVER ERKKINEN (M.D.)
75 Francis St
Boston, MA 021156110
Phone: (617) 732-5500
Type: Location
4860 Y ST STE 3700
SACRAMENTO, CA 958172307
Phone: (916) 734-3588
Type: Mailing
3160 FOLSOM BLVD STE 2100
SACRAMENTO, CA 958165266
Phone: (916) 734-3588
Type: Location
75 FRANCIS STREET
BOSTON, MA 02115
Phone: (617) 732-5500
Type: Mailing
75 FRANCIS ST
BOSTON, MA 021156110
Phone: (617) 732-5500
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 $19,616.
Total Amount is formed as General ($0) + Research ($19,616) + Ownership ($0) = $19,616.
Last reported payment date: 2024-01-03 • Largest payer in this snapshot: Biogen, Inc. ($19,616).
Total Amount
$19,616
General + Research + Ownership
Payments
1
Total payment records
General Amount
$0
General payments
Research Amount
$19,616
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-01-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Biogen, Inc. | $19,616 |
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: 2017-10-03
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 |
|---|---|---|---|---|
| I20160809000360 | I | Neurology | CA | TBD |
| I20171003007755 | I | Neurology | MA | 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 | 188 | 129 | $0 |
| G2212 | Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 168 | 80 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 68 | 68 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 65 | 47 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 61 | 34 | $0 |
Insurance plans in this area (ZIP 02115)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O S U R G E R Y | MD | |
| - | MA | |
| Critical Care (Intensivists), Pulmonary Disease | FL | |
| Physician Assistant | MA | |
| Nurse Practitioner | MA | |
| Orthopedic Surgery | MA | |
| Physician Assistant | NH | |
| Nurse Practitioner | MA | |
| P A T H O L O G Y | MA | |
| N E U R O S U R G E R Y | MA |
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