DIANA L. CHOU (FNP) – Family Nurse Practitioner, NPI 1134484355
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
6,767 NURSE PRACTITIONER in MD
Provider Addresses for DIANA L. CHOU (FNP)
1420 KEY HWY
BALTIMORE, MD 212305546
Phone: (410) 230-7820
Fax: (410) 230-7821
Type: Mailing
1734 YORK RD
TIMONIUM, MD 210935606
Phone: (443) 275-5050
Fax: (410) 385-9386
Type: Mailing
1321 WOODBRIDGE STATION WAY
EDGEWOOD, MD 210403830
Phone: (410) 612-1779
Type: Location
139 Centre St Ph 120
New York, NY 100134559
Phone: (888) 731-8994
Type: Location
601 Pennsylvania Ave NW Bldg Suite900
Washington, DC 200042601
Phone: (888) 731-8994
Type: Location
111 N Orange Ave Ste 800
Orlando, FL 328012381
Phone: (888) 731-8994
Type: Location
1101 Wilson Blvd Fl 6
Arlington, VA 222092281
Phone: (888) 731-8994
Type: Location
173 Saint Patricks Dr Ste 104
Waldorf, MD 206035530
Phone: (888) 731-8994
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 29 Open Payments records for all available years, with a total value of $1,336.
Total Amount is formed as General ($1,336) + Research ($0) + Ownership ($0) = $1,336.
Last reported payment date: 2024-11-15 • Largest payer in this snapshot: Axonics, Inc. ($1,058).
Total Amount
$1,336
General + Research + Ownership
Payments
29
Total payment records
General Amount
$1,336
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-15
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Axonics, Inc. | $1,058 |
| ABBVIE INC. | $94 |
| Sumitomo Pharma America, Inc. | $86 |
| Medtronic, Inc. | $43 |
| Agile Therapeutics, Inc. | $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: 2014-01-13
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 |
|---|---|---|---|---|
| I20140110001283 | I | Nurse Practitioner | MD | TBD |
| I20140113000009 | I | Nurse Practitioner | DC | 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 | 160 | 131 | $0 |
| G0101 | Cervical or vaginal cancer screening; pelvic and clinical breast examination | 82 | 82 | $0 |
| Q0091 | Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 36 | 36 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 36 | 36 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 19 | 19 | $0 |
Insurance plans in this area (ZIP 21230)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MD | |
| Clinical Social Worker | MD | |
| P S Y C H I A T R Y | MD | |
| Mental Health Counselor | NJ | |
| Mental Health Counselor | MD | |
| Mental Health Counselor | MD | |
| Mental Health Counselor | MD | |
| Mental Health Counselor | MD | |
| - | MD | |
| Registered Dietitian Or Nutrition Professional | MD |
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