JUSTIN N GRAMMY (DO) – Hospitalist Physician, NPI 1003254483
Hospitalist Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
9,967 INTERNAL MEDICINE in PA
Provider Addresses for JUSTIN N GRAMMY (DO)
10800 KNIGHTS RD
PHILADELPHIA, PA 191144200
Phone:
Type: Mailing
1428 PHILLIPS LN STE 203
SAN LUIS OBISPO, CA 934012551
Phone: (805) 543-4407
Fax: (805) 543-4587
Type: Location
PO BOX 12460
SAN LUIS OBISPO, CA 934062460
Phone: (805) 543-4407
Fax: (805) 543-4587
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: 2018-09-01
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 |
|---|---|---|---|---|
| I20180901000074 | I | Internal Medicine | CA | 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 | 190 | 96 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 56 | 48 | $0 |
| 99292 | Critical care, each additional 30 minutes | 16 | 12 | $0 |
Insurance plans in this area (ZIP 19114)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Pulmonary Disease, Critical Care (Intensivists) | CA | |
| Pulmonary Disease, Critical Care (Intensivists) | CA | |
| Pulmonary Disease, Critical Care (Intensivists) | CA | |
| Critical Care (Intensivists), Internal Medicine, Pulmonary Disease | CA | |
| Pulmonary Disease, Critical Care (Intensivists) | CA |
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