Physician Profile
Based in Hewlett, NY, Asaf Klein, M.D. is listed in the NPI registry under rheumatology. Asaf graduated from State University of New York Downstate Medical Center in 2011. Medicare claims data shows Asaf provided 72,046 services to 7,757 patients. The services billed most often include injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered), injection, denosumab, 1 mg, and measurement of antibody for assessment of autoimmune disorder, any method.
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.
1157 BROADWAY
Hewlett, NY 11557
1 Hollow Ln
New Hyde Park, NY 11042
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
72,046 services · 7,757 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
689 | More often than most peers in Rheumatology |
| Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | Drug given | J0717 |
42,200 | As often as other peers in Rheumatology |
| Injection, denosumab, 1 mg | Drug given | J0897 |
10,080 | More often than most peers in Rheumatology |
| Hyaluronan or derivative, durolane, for intra-articular injection, 1 mg | Drug given | J7318 |
1,440 | |
| Measurement of antibody for assessment of autoimmune disorder, any method | Lab test | 86235 |
2,700 | More than most peers in Rheumatology |
| Gammaglobulin (immune system protein) measurement | Lab test | 82784 |
1,695 | More often than most peers in Rheumatology |
| Measurement of complement (immune system proteins), antigen, | Lab test | 86160 |
1,108 | More than most peers in Rheumatology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
855 | More often than most peers in Rheumatology |
| Uric acid level, blood | Lab test | 84550 |
689 | More than most peers in Rheumatology |
| Creatine kinase (cardiac enzyme) level, total | Lab test | 82550 |
689 | More than most peers in Rheumatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Asaf Klein is a rheumatologist in Hewlett, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Rheumatology”.
NPI registry
Asaf Klein is listed at 1157 Broadway, Hewlett, NY 11557. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (323) 252-8790. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Asaf Klein's National Provider Identifier is 1669761631. 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
Asaf Klein attended State University of New York Downstate Medical Center, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
Asaf Klein has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Asaf Klein performs procedures including insertion of needle into vein for collection of blood sample, 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 Asaf Klein. 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.