JAMES M. ARMSTRONG (P.A.) – Medical Physician Assistant, NPI 1568645182
Medical Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
6,066 PHYSICIAN ASSISTANT in MI
Provider Addresses for JAMES M. ARMSTRONG (P.A.)
124, Oak Street, Woburn Street Historic District, Reading, Middlesex County, Massachusetts, 01867, United States
ROOM 339 - PROVIDER ENROLLMENT
READING, MA 018673703
Phone: (781) 942-3763
Type: Mailing
736 CAMBRIDGE ST
BOSTON, MA 021352907
Phone: (617) 291-6390
Type: Mailing
500 Osborn Blvd
Sault Sainte Marie, MI 497831822
Phone: (190) 625-3102
Type: Location
St. Elizabeth's Medical Center, 736, Cambridge Street, Aberdeen, Brighton, Boston, Suffolk County, Massachusetts, 02135, United States
DIVISION OF CARDIOVASCULAR MEDICINE
BOSTON, MA 02135
Phone: (617) 562-7868
Fax: (617) 779-6330
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $56.
Total Amount is formed as General ($56) + Research ($0) + Ownership ($0) = $56.
Last reported payment date: 2024-12-05 • Largest payer in this snapshot: Amgen Inc. ($34).
Total Amount
$56
General + Research + Ownership
Payments
3
Total payment records
General Amount
$56
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $34 |
| Galderma Laboratories, L.P. | $23 |
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: 2021-06-04
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20210604001403 | I | Physician Assistant | MI | 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 | 134 | 133 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 123 | 113 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 121 | 109 | $0 |
Insurance plans in this area (ZIP 01867)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | IN | |
| Physician Assistant | MI | |
| Physician Assistant | MI | |
| D E R M A T O L O G Y | MI | |
| Pain Management | IL | |
| - | MI | |
| E N D O C R I N O L O G Y | MI | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MI | |
| Hospitalist, Internal Medicine | MI | |
| - | MI |
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