Physician Profile
Lawrence H. Schainker, MD practices rheumatology in Rockville, MD. According to Medicare claims data, Lawrence cared for 362 Medicare patients across 3,135 services. The services billed most often include hyaluronan or derivative, durolane, for intra-articular injection, 1 mg, injection, methylprednisolone acetate, 1 mg, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1201 SEVEN LOCKS RD STE 111
Rockville, MD 20854
Within Rheumatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Autoimmune
Bone
Bone Health
Connective Tissue
Genetic & Connective Tissue
Inflammatory
Joints
Nerve & Tendon
Skin & Soft Tissue
Skin & Vascular
Soft Tissue
Spine & Back
Vascular
Most searched procedures
Consultation
Consultations
Diagnostics & Injections
Education & Support
Imaging
Injections
Lab & Diagnostics
Lab Work
Medication Management
Pain Relief
Regenerative Medicine
3,135 services · 362 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
53 | As often as other peers in Rheumatology |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
48 | |
| Limited ultrasound scan of joint or other extremity structure except blood vessels | Imaging | 76882 |
99 | More often than most peers in Rheumatology |
| Complete ultrasound scan of joint | Imaging | 76881 |
47 | As often as other peers in Rheumatology |
| Hyaluronan or derivative, durolane, for intra-articular injection, 1 mg | Drug given | J7318 |
1,682 | |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
941 | |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
118 | |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
27 | |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
26 | |
| Red blood cell sedimentation rate, to detect inflammation, non-automated | Lab test | 85651 |
25 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Schainker is a rheumatologist in Rockville, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Rheumatology”.
NPI registry
Dr. Schainker is listed at 1201 Seven Locks Rd Ste 111, Rockville, MD 20854. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (301) 762-5020. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Schainker's National Provider Identifier is 1790781888. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Schainker has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Dr. Schainker performs procedures including aspiration and/or injection of fluid large joint using ultrasound guidance and insertion of needle into vein for collection of blood sample; reads or performs imaging such as limited ultrasound scan of joint or other extremity structure except blood vessels and complete ultrasound scan of joint, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Schainker. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.