GEMMA MELANIE ARMSTRONG (D.O.) – Family Medicine Physician, NPI 1306003652
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,488 FAMILY PRACTICE in MD
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Provider Addresses for GEMMA MELANIE ARMSTRONG (D.O.)
PO BOX 99
CONOWINGO, MD 219180099
Phone: (410) 378-9696
Fax: (410) 378-0787
Type: Mailing
253, Lewis Lane, Somerset Manor, Havre de Grace, Harford County, Maryland, 21078, United States
SUITE 202
HAVRE DE GRACE, MD 210783750
Phone: (443) 502-7060
Fax: (410) 378-9922
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 $22.
Total Amount is formed as General ($22) + Research ($0) + Ownership ($0) = $22.
Last reported payment date: 2024-03-20 • Largest payer in this snapshot: Dexcom, Inc. ($22).
Total Amount
$22
General + Research + Ownership
Payments
1
Total payment records
General Amount
$22
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-03-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Dexcom, Inc. | $22 |
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: 2016-04-29
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 |
|---|---|---|---|---|
| I20160429000346 | I | Family Practice | MD | 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 |
|---|---|---|---|---|
| 83037 | Hemoglobin a1c level, by device for home use | 97 | 66 | $0 |
| 81002 | Urinalysis, manual test | 23 | 22 | $0 |
| 87426 | Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | 23 | 22 | $0 |
| 87804 | Detection test by immunoassay with direct visual observation for influenza virus | 23 | 22 | $0 |
Insurance plans in this area (ZIP 21918)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MD | |
| Clinical Social Worker | MD | |
| O P T O M E T R Y | PA | |
| Nurse Practitioner | MD | |
| Nurse Practitioner | MD | |
| - | MD | |
| Clinical Social Worker | MD | |
| Nurse Practitioner | MD | |
| Clinical Social Worker | CT | |
| Family Practice | MD |
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