DR. LAWRENCE H SCHAINKER (MD) – Rheumatology Physician, NPI 1790781888
Rheumatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. LAWRENCE H SCHAINKER (MD)
Seven Locks Road, Potomac Woods, Falls Orchard, Rockville, Montgomery County, Maryland, 20850-3827, United States
STE 111
ROCKVILLE, MD 208542957
Phone: (301) 762-5020
Fax: (301) 294-7569
Type: Location
PO BOX 79632
BALTIMORE, MD 212790632
Phone: (301) 762-5020
Fax: (301) 309-3783
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $225.
Total Amount is formed as General ($225) + Research ($0) + Ownership ($0) = $225.
Last reported payment date: 2023-06-14 • Largest payer in this snapshot: Janssen Biotech, Inc. ($118).
Total Amount
$225
General + Research + Ownership
Payments
2
Total payment records
General Amount
$225
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-06-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Biotech, Inc. | $118 |
| ABBVIE INC. | $107 |
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: 2008-12-18
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 |
|---|---|---|---|---|
| I20081218000453 | I | Rheumatology | 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 |
|---|---|---|---|---|
| J7318 | Hyaluronan or derivative, durolane, for intra-articular injection, 1 mg | 1,260 | 14 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 96 | 52 | $0 |
| 76882 | Limited ultrasound scan of joint or other extremity structure except blood vessels | 75 | 48 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 63 | 38 | $0 |
| U0003 | Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, making use of high throughput technologies as described by cms-2020-01-r | 63 | 42 | $0 |
Insurance plans in this area (ZIP 20854)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| RHEUMATOLOGY | MD | 73562 | X-ray of knee, 3 views | 37 | 31 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | VA | |
| - | VA | |
| Internal Medicine, Pulmonary Disease | MD | |
| - | VA | |
| - | MD | |
| - | VA | |
| - | VA | |
| - | MD | |
| Physician Assistant | VA | |
| Physician Assistant | MI |
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