DR. MARY JOHN NINAN (M.D) – Hematology & Oncology Physician, NPI 1356533145
Hematology & Oncology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
83 HEMATOLOGY in GA
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Provider Addresses for DR. MARY JOHN NINAN (M.D)
1835 SAVOY DR STE 300
ATLANTA, GA 303411071
Phone: (678) 566-6995
Fax: (678) 566-0346
Type: Mailing
Hospital Parkway, Johns Creek, Georgia, 30098, United States
JOHNS CREEK, GA 300971982
Phone: (770) 623-8965
Fax: (770) 623-4018
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 68 Open Payments records for all available years, with a total value of $4,150.
Total Amount is formed as General ($4,150) + Research ($0) + Ownership ($0) = $4,150.
Last reported payment date: 2024-12-13 • Largest payer in this snapshot: ADC Therapeutics America, Inc. ($2,400).
Total Amount
$4,150
General + Research + Ownership
Payments
68
Total payment records
General Amount
$4,150
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ADC Therapeutics America, Inc. | $2,400 |
| AstraZeneca Pharmaceuticals LP | $199 |
| Daiichi Sankyo Inc. | $173 |
| Celgene Corporation | $128 |
| ABBVIE INC. | $104 |
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: 2015-02-09
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 |
|---|---|---|---|---|
| I20150209001303 | I | Medical Oncology | 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 | 191 | 95 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 167 | 80 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 53 | 19 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 31 | 31 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 26 | 22 | $0 |
Insurance plans in this area (ZIP 30341)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | GA | |
| - | GA | |
| - | GA | |
| H E M A T O L O G Y/ O N C O L O G Y | GA | |
| - | GA | |
| H E M A T O L O G Y/ O N C O L O G Y | AL | |
| - | GA | |
| Hematology/Oncology, Internal Medicine | GA | |
| H E M A T O L O G Y/ O N C O L O G Y | GA | |
| Nurse Practitioner | GA |
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