JOHN NIKOLHAUS SMITH (MD) – Cardiovascular Disease Physician, NPI 1639523194
Cardiovascular Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
789 CARDIOVASCULAR DISEASE (CARDIOLOGY) in MD
Provider Addresses for JOHN NIKOLHAUS SMITH (MD)
476 JAMAICAWAY
BOSTON, MA 021302030
Phone: (207) 318-8426
Type: Mailing
1800 Orleans Street
The Johns Hopkins Hospital
Baltimore, MD 21287
Phone: (410) 955-7911
Fax: (410) 955-0374
Type: Location
96 Campus Dr Ste 1
Scarborough, ME 040747164
Phone: (207) 885-9905
Type: Location
71 US Route 1 Ste C
Scarborough, ME 040747174
Phone: (207) 318-8426
Type: Location
Johns Hopkins Hospital, 1800, Orleans Street, Butchers Hill, Baltimore, Maryland, 21287, United States
THE JOHNS HOPKINS HOSPITAL
BALTIMORE, MD 21287
Phone: (410) 955-7911
Fax: (410) 955-0374
Type: Location
1 RIVERFRONT PLZ
WESTBROOK, ME 040922986
Phone: (207) 885-9905
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: 2024-03-18
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 4 Medicare enrollment records; no due dates published yet.
Enrollment records
4
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 |
|---|---|---|---|---|
| I20201204000022 | I | Internal Medicine | MD | TBD |
| I20230717000928 | I | Internal Medicine | DC | TBD |
| I20240219001917 | I | Cardiovascular Disease (Cardiology) | ME | TBD |
| I20240318002388 | I | Cardiovascular Disease (Cardiology) | NH | 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 |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 220 | 73 | $0 |
Insurance plans in this area (ZIP 02130)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | PA | |
| - | ME | |
| - | ME | |
| - | ME | |
| - | ME | |
| Family Practice, Hospice/Palliative Care | ME | |
| Pediatric Medicine, Endocrinology | MA | |
| - | ME | |
| Family Practice | ME | |
| Nurse Practitioner | ME |
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