DR. ANN KATHERINE OSMAN (M.D.) – Internal Medicine Physician, NPI 1184629784
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,245 INTERNAL MEDICINE in MD
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Provider Addresses for DR. ANN KATHERINE OSMAN (M.D.)
Upper Chesapeake: Parking Garage & Pavilion II, 520, Upper Chesapeake Drive, Wakefield Manor, Bel Air, Harford County, Maryland, 21014, United States
STE 211
BEL AIR, MD 210144392
Phone: (410) 638-9000
Fax: (410) 893-5875
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2010-01-07
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 |
|---|---|---|---|---|
| I20100107000243 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 26 | 20 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 21 | 20 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 13 | 13 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 12 | 12 | $0 |
Insurance plans in this area (ZIP 21014)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | MD | |
| Geriatric Medicine, Internal Medicine | MD | |
| H E M A T O L O G Y/ O N C O L O G Y | PA | |
| General Practice | MD | |
| Internal Medicine, Cardiovascular Disease (Cardiology) | DE | |
| Physician Assistant | MD | |
| Internal Medicine | MD | |
| Physician Assistant | MD | |
| Nurse Practitioner | MD | |
| N E U R O S U R G E R Y | MD |
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