MARY KATHERINE RYAN (NP) – Adult Health Nurse Practitioner, NPI 1518395854
Adult Health Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
9,658 NURSE PRACTITIONER in GA
Provider Addresses for MARY KATHERINE RYAN (NP)
1800 Howell Mill Rd NW
Suite 800 and 775
Atlanta, GA 303182538
Phone: (404) 350-9853
Fax: (404) 477-1162
Type: Location
1800 HOWELL MILL RD NW STE 800
ATLANTA, GA 303180922
Phone: (404) 350-9853
Fax: (404) 477-1162
Type: Mailing
775 POPLAR RD STE 310
NEWNAN, GA 302658303
Phone: (770) 251-2590
Fax: (404) 477-1162
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 100 Open Payments records for all available years, with a total value of $2,244.
Total Amount is formed as General ($2,244) + Research ($0) + Ownership ($0) = $2,244.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Daiichi Sankyo Inc. ($219).
Total Amount
$2,244
General + Research + Ownership
Payments
100
Total payment records
General Amount
$2,244
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Daiichi Sankyo Inc. | $219 |
| Merck Sharp & Dohme LLC | $158 |
| Novartis Pharmaceuticals Corporation | $141 |
| Gilead Sciences, Inc. | $125 |
| Celgene Corporation | $112 |
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: 2016-08-29
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 |
|---|---|---|---|---|
| I20160829002228 | I | Nurse Practitioner | GA | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 692 | 302 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 677 | 282 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 137 | 99 | $0 |
| 81002 | Urinalysis, manual test | 20 | 16 | $0 |
Insurance plans in this area (ZIP 30318)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| H E M A T O L O G Y/ O N C O L O G Y | GA | |
| Physician Assistant | GA | |
| Nurse Practitioner | GA | |
| H E M A T O L O G Y/ O N C O L O G Y | GA | |
| H E M A T O L O G Y/ O N C O L O G Y | GA | |
| Nurse Practitioner | GA | |
| Physician Assistant | GA | |
| Physician Assistant | GA | |
| H E M A T O L O G Y/ O N C O L O G Y | GA | |
| H E M A T O L O G Y/ O N C O L O G Y | GA |
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