Physician Profile
Unclaimed ProfileAbout KLEIN
Lawrence E Klein, M.D. practices internal medicine in Washington, DC. Lawrence is a 1976 graduate of Johns Hopkins University School of Medicine. According to Medicare claims data, Lawrence cared for 3,703 Medicare patients across 5,549 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (202) 362-4467
- Email not available
Practice Locations
3301 NEW MEXICO AVE NW SUITE 349
Washington, DC 20016
Procedures Most Often Billed to Medicare
5,549 services · 3,703 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
394 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
201 |
| Injection, denosumab, 1 mg | Drug given | J0897 |
1,001 |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
336 |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
321 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
262 |
| Blood test, thyroid stimulating hormone (tsh) | Lab test | 84443 |
248 |
| Manual urinalysis test with examination using microscope, automated | Lab test | 81001 |
229 |
| Red blood cell sedimentation rate, to detect inflammation, automated | Lab test | 85652 |
219 |
| Measurement c-reactive protein for detection of infection or inflammation | Lab test | 86140 |
208 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other internal medicines in Washington 8
Same specialty, same city.
Trained at Johns Hopkins University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1976 at Johns Hopkins University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 7
Providers in DC who bill this service to Medicare most often.
Common questions
What is Dr. Klein's specialty?
Dr. Klein is an internal medicine in Washington, DC. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Klein?
Dr. Klein is listed at 3301 NEW MEXICO AVE NW SUITE 349, Washington, DC 20016. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Klein?
The number on file is (202) 362-4467. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Klein's NPI number?
Dr. Klein's National Provider Identifier is 1477615680. 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
What is Dr. Klein's medical education?
Dr. Klein attended Johns Hopkins University School of Medicine, graduating in 1976. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Klein been practicing?
Dr. Klein has 50 years experience. Calculated from a graduation year of 1976, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Klein known for?
According to Medicare billing data, Dr. Klein performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Klein confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Klein. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.