CLARK TIMOTHY JOHNSON (MD) – Maternal & Fetal Medicine Physician, NPI 1497989305
Maternal & Fetal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,000 OBSTETRICS/GYNECOLOGY in MD
Provider Addresses for CLARK TIMOTHY JOHNSON (MD)
600 N WOLFE STREET PHIPPS 279
BALTIMORE, MD 212870001
Phone: (410) 955-6710
Type: Location
600 N Wolfe Street Phipps 279
Baltimore, MD 212870001
Phone: (410) 955-6710
Type: Location
807, South Luzerne Avenue, Canton, Baltimore, Maryland, 21224, United States
BALTIMORE, MD 212243734
Phone: (443) 708-8164
Type: Mailing
100 S 2ND ST STE 4B
HARRISBURG, PA 171012546
Phone: (717) 231-8472
Fax: (717) 231-8490
Type: Mailing
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: 2025-07-16
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20150505000597 | I | Obstetrics/Gynecology | MD | TBD |
| I20250716000573 | I | Obstetrics/Gynecology | PA | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 21287)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CO | |
| - | MD | |
| Physician Assistant | MD | |
| Gynecological Oncology | MD | |
| General Surgery | MD | |
| Clinical Psychologist | MD | |
| Physician Assistant | MD | |
| General Surgery | MD | |
| - | MD | |
| Physician Assistant | MD |
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