Dr. Rebecca M. Lekim, DO

  • Castro Valley, CA
  • Hospitalist
NPI1780079509PAC ID8820349905
Medicare services, 2024
831
Medicare patients, 2024
408
Part D claims, 2024
352
Hospital affiliations
1
Industry payments
$286
Practice address
20103 Lake Chabot Road, Castro Valley, CA 94546
Practice phone
Call (510) 537-1234
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sutter Eden Medical Center

Hospital · Castro Valley, California

See all 5 affiliations

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Dr. Rebecca M. Lekim is a hospitalist in Castro Valley, California

Dr. Lekim practices at Sutter Eden Medical Center in Castro Valley, California, part of Sutter Health.

Dr. Lekim's NPI, 1780079509, was assigned on March 30, 2015. Dr. Lekim graduated from WesternU College of Osteopathic Medicine of the Pacific in 2015. Dr. Lekim holds California license 20A15015.

NPI and contact details
Medicare PAC ID
8820349905
NPI enumeration date
March 30, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(510) 537-1234
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
37
Medical school graduation
2015

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Rebecca M. Lekim practices at Sutter Eden Medical Center in Castro Valley, California

Dr. Lekim's primary practice is Sutter Eden Medical Center, at 20103 Lake Chabot Road, Castro Valley, CA 94546 in Alameda County. The practice phone is (510) 537-1234.

Source: Dmand AI Affiliation Data

Dr. Rebecca M. Lekim is affiliated with 3 sites of care and 2 medical groups

Dr. Lekim's primary practice is Sutter Eden Medical Center in Castro Valley, California, part of Sutter Health. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Lekim to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Lekim

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Rebecca M. Lekim's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lekim practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sutter Eden Medical CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Rebecca M. Lekim is one of 3,186 hospitalists in California

Hospitalist is Dr. Lekim's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Lekim is board certified in internal medicine by the American Board of Internal Medicine. Dr. Lekim is licensed in California.

Specialties and state licenses

  • Hospitalist, CaliforniaPrimaryLicense 20A15015 · taxonomy 208M00000X

Clinical focus

Dmand AI lists acute respiratory failure, bile duct problems, cellulitis, chest pain, collapsed lung, congestive heart failure, electrolyte disorders and gastrointestinal bleeding among the conditions Dr. Lekim treats.

Hospitalists near Dr. Lekim

Counts of hospitalists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Rebecca M. Lekim billed Medicare for 831 services in 2024

CMS data shows 831 Medicare services from Dr. Lekim across 5 procedure codes in 2024, for 408 Medicare patients. Medicare paid $85,976 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024831
Medicare patients408
Paid by Medicare$85,976
Procedure codes5

Dr. Lekim's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4622024: 83180%
Other services
2023: 152024: 0100%

Dr. Lekim compared with the California median for hospitalists, 2024

  • Dr. Lekim
  • California median
Medicare services
831vs 43093% above
Medicare patients
408vs 2012.0 times
Part D claims
87vs 6926% above

Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.

Dr. Lekim's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Lekim

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Rebecca M. Lekim treated 408 Medicare patients in 2024, average age 77

CMS counts 408 Medicare patients who saw Dr. Lekim in 2024. The largest group is 75 to 84, with 138 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 61% are also on Medicaid. Their average risk score is 2.64, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Lekim's median patient age at 67, with 47% women.

Medicare patients, 2024408
Average age77
Average risk score2.64
Also on Medicaid61%

Dr. Lekim's Medicare patients by age, 2024

Dr. Lekim's Medicare patients by sex, 2024

  • Women20149%
  • Men20751%

Chronic conditions among Dr. Lekim's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes53%
  4. Chronic kidney disease51%
  5. Arthritis48%
  6. Heart failure46%
  7. Ischemic heart disease44%
  8. Mood disorders40%

Share of Medicare patients with each condition. A patient can have several.

Dr. Lekim's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women47%
  • Men49%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Rebecca M. Lekim wrote 352 Medicare Part D claims in 2024

In 2024, Dr. Lekim wrote 352 Medicare Part D claims for 125 patients. 81% of them were for generic drugs. CMS names the drug for 87 of them, across 5 drugs with 11 or more claims each, at $711 in total drug cost. In 2023, CMS named 42 claims across 3 drugs.

Part D claims, 2024352
Drugs named by CMS5
Total drug cost$711
Part D patients125

Dr. Lekim's Part D claims by kind of drug, 2024

  • Generic286 claims81%
  • Brand-name and other66 claims19%

Dr. Lekim's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Lekim's Part D claims, 2024

  • Opioids7%24 of 352 claims
  • Antibiotics17%60 of 352 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 422024: 87107%

Drugs named by CMS: 5 in 2024, 3 in 2023.

See all prescribing by Dr. Lekim

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Rebecca M. Lekim takes part in Medicare

Dr. Lekim accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Rebecca M. Lekim received $286 in industry payments from 2017 to 2018

CMS Open Payments shows 6 general payments to Dr. Lekim from 4 drug and device companies from 2017 to 2018. Food and beverage make up the largest share, 92% of the total. Gilead Sciences, Inc. paid the most, $213.

General payments to Dr. Lekim by program year, 2017 to 2018

General payments to Dr. Lekim by kind, 2017 to 2018

$286in total
  • Food and beverage$26292%
  • Speaker and faculty fees$248%

Companies that paid Dr. Lekim the most, 2017 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Lekim

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Rebecca M. Lekim graduated from WesternU College of Osteopathic Medicine of the Pacific

Dr. Lekim graduated from WesternU College of Osteopathic Medicine of the Pacific in 2015.

  1. Medical schoolWesternU College of Osteopathic Medicine of the Pacific
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in 2016 - 2026CA State License

Source: Dmand AI Professional Profile Data

Dr. Rebecca M. Lekim accepts plans from 11 insurance carriers

Dr. Lekim is in network with 11 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • Aetna
  • HCSC
  • Alliant Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • +3 more carriersWith a free account

Plan types Dr. Lekim accepts, by number of carriers

  1. PPO7
  2. HMO6
  3. EPO3
  4. Medicare2
  5. POS2

Source: Dmand AI Insurance Network Data

Sources for Dr. Rebecca M. Lekim's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Rebecca M. Lekim

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Rebecca M. Lekim's NPI number?

Dr. Rebecca M. Lekim's NPI number is 1780079509. It was assigned on March 30, 2015, and it is active in the NPI Registry.

What kind of doctor is Dr. Rebecca M. Lekim?

Dr. Rebecca M. Lekim is a hospitalist in Castro Valley, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Dr. Rebecca M. Lekim practice?

Dr. Lekim practices at 20103 Lake Chabot Road, Castro Valley, CA 94546. Dr. Lekim's primary practice is Sutter Eden Medical Center in Castro Valley, California, part of Sutter Health. Dmand AI also links Dr. Lekim to 2 group practices and clinics and 1 medical group.

What is Dr. Rebecca M. Lekim's office phone number?

The practice phone on file for Dr. Lekim is (510) 537-1234.

What is Dr. Rebecca M. Lekim's medical license number?

Dr. Lekim holds California license 20A15015.

Which hospitals is Dr. Rebecca M. Lekim affiliated with?

Dr. Lekim practices at Sutter Eden Medical Center in Castro Valley, California.

What medical group is Dr. Rebecca M. Lekim part of?

Dr. Lekim is linked to Palo Alto Foundation Medical Group. Dmand AI links Dr. Lekim to 1 more medical group.

Does Dr. Rebecca M. Lekim accept Medicare?

Yes. CMS data shows Dr. Lekim billed Medicare for 831 services in 2024, and Dr. Lekim accepts Medicare assignment.

How many Medicare patients does Dr. Rebecca M. Lekim see?

CMS counts 408 Medicare patients who saw Dr. Lekim in 2024, with an average age of 77.

Is Dr. Rebecca M. Lekim board certified?

Yes. Dr. Lekim is board certified in internal medicine by the American Board of Internal Medicine.

Show 6 more questionsShow fewer questions

What services does Dr. Rebecca M. Lekim bill to Medicare?

In 2024, Dr. Lekim's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99223).

Where did Dr. Rebecca M. Lekim go to medical school?

Dr. Lekim graduated from WesternU College of Osteopathic Medicine of the Pacific in 2015.

What drugs does Dr. Rebecca M. Lekim prescribe most?

In 2024 Medicare Part D data, Dr. Lekim's most prescribed drugs by claims were Atorvastatin Calcium, Amoxicillin-Clavulanate Potass and Hydrocodone-Acetaminophen.

Has Dr. Rebecca M. Lekim received payments from drug or device companies?

CMS Open Payments shows $286 in general payments to Dr. Lekim from 4 companies from 2017 to 2018. The largest total came from Gilead Sciences, Inc.

How long has Dr. Rebecca M. Lekim been practicing?

Dr. Lekim graduated from medical school in 2015, 11 years ago.

What insurance does Dr. Rebecca M. Lekim accept?

Dr. Lekim is in network with 11 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

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