SAMUEL JACOB KLEMPNER M.D
NPI 1134329378
Internal Medicine - Hematology & Oncology in Los Angeles, CA

Q: What is Samuel Klempner's NPI number?

The NPI number for Samuel Klempner is 1134329378. It was assigned to this individual provider in the NPPES registry on July 24, 2007.

Q: What is Samuel Klempner's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Samuel Klempner was last updated on February 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 24, 2007PECOS EnrolledAccepts Medicare Assignment

11800 WILSHIRE BLVD, LOS ANGELES, CA 90025(310) 231-2167(310) 231-2172 Get Directions Write a Review

NPPES record last updated: February 11, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Samuel Jacob Klempner M.d NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SAMUEL JACOB KLEMPNER M.D (NPI 1134329378) is an individual hematology & oncology provider in Los Angeles, California, licensed in California (A125171) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1134329378

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameSAMUEL JACOB KLEMPNERCredential: M.D

Location Address11800 WILSHIRE BLVDLos Angeles, CA 90025-6602

Mailing Address6424 Colgate AveLos Angeles, CA 90048-4409 · (508) 954-6022

Phone(310) 231-2167

Fax(310) 231-2172

Sole ProprietorNo

Medical School CMSUniversity Of Massachusetts Medical SchoolGraduated 2007

Enumeration DateJuly 24, 2007

Last NPPES UpdateFebruary 11, 2026

NPPES CertifiedFebruary 11, 2026

✔ NPI 1134329378 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in CA · A125171

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Also ListedInternal MedicineTaxonomy 207R00000X · License 232414 (MA)

Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License 243585 (MA)

11800 WILSHIRE BLVD, Los Angeles, CA 90025

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Secondary Practice Locations 2

Location 155 Fruit StBoston, MA 02114-2696 · Phone (617) 724-7168

Location 275 Francis StBoston, MA 02115-6110 · Phone (617) 732-5500

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Samuel Jacob Klempner M.d is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7911132048

PECOS Enrollment IDI20190513002184

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

293 services90 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

149 services41 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

128 services70 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

30 services17 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

14 services12 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

13 services13 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

North Shore Medical Center -

Acute Care Hospitals · Salem, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220035

Location81 Highland AvenueSalem, MA 01970 · Essex County

Emergency services Birthing friendly

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220071

Location55 Fruit StreetBoston, MA 02114 · Suffolk County

Emergency services Birthing friendly

Newton-Wellesley Hospital

Acute Care Hospitals · Newton, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220101

Location2014 Washington StreetNewton, MA 02462 · Middlesex County

Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220110

Location75 Francis StreetBoston, MA 02115 · Suffolk County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90025 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$187.60 typical visit price

range $62.96 – $187.60

Typical copayment $46.90 (range $15.74 – $46.90)

Most-billed visit code 99205

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Parenteral nutrition solution, not otherwise specified, 10 grams lipids B4185

Other-Enteral and Parenteral · category OB005N

3 suppliers54 claims1,596 services$11.27 avg. paid by Medicare

Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements, and vitamins, including preparation, any strength, 52 to 73 grams of protein - premix B4193

Other-Enteral and Parenteral · category OB005N

1 supplier34 claims229 services$230.19 avg. paid by Medicare

Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements and vitamins, including preparation, any strength, over 100 grams of protein - premix B4199

Other-Enteral and Parenteral · category OB005N

3 suppliers23 claims158 services$320.76 avg. paid by Medicare

Parenteral nutrition supply kit; premix, per day B4220

Other-Enteral and Parenteral · category OB005N

3 suppliers59 claims401 services$8.03 avg. paid by Medicare

Parenteral nutrition administration kit, per day B4224

Other-Enteral and Parenteral · category OB005N

3 suppliers59 claims401 services$25.08 avg. paid by Medicare

Parenteral nutrition infusion pump, portable B9004

Other-Enteral and Parenteral · category OB005N

1 supplier11 claims11 services$400.41 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LAWRENCE D PIRO M.D.

Internal Medicine (Hematology & Oncology)