Dr. Boris A. Pearlman, MD

  • Thousand Oaks, CA
  • Hospitalist
NPI1366670671PAC ID0941475891
Medicare services, 2024
3,082
Medicare patients, 2024
663
Part D claims, 2024
376
Hospital affiliations
2
Industry payments
$133
Practice address
215 W Janss Rd, Thousand Oaks, CA 91360
Practice phone
Call (805) 497-2727
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Los Robles Regional Medical Center

Hospital · Thousand Oaks, California

See all 10 affiliations

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Dr. Boris A. Pearlman is a hospitalist in Thousand Oaks, California

Dr. Pearlman practices at Los Robles Regional Medical Center in Thousand Oaks, California, part of HCA Healthcare.

Dr. Pearlman's NPI, 1366670671, was assigned on June 25, 2009. Dr. Pearlman graduated from VCU School of Medicine in 2009. Dr. Pearlman holds California license A113879.

NPI and contact details
Medicare PAC ID
0941475891
NPI enumeration date
June 25, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(805) 497-2727
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
43
Medical school graduation
2009

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

Dr. Boris A. Pearlman practices at Los Robles Regional Medical Center in Thousand Oaks, California

Dr. Pearlman's primary practice is Los Robles Regional Medical Center, at 215 W Janss Rd, Thousand Oaks, CA 91360 in Ventura County. The practice phone is (805) 497-2727.

Source: Dmand AI Affiliation Data

Dr. Boris A. Pearlman is affiliated with 3 sites of care and 7 medical groups

Dr. Pearlman's primary practice is Los Robles Regional Medical Center in Thousand Oaks, California, part of HCA Healthcare. Dr. Pearlman is also affiliated with Huntington Hospital. The medical group on file is Sound Physicians. Dmand AI also links Dr. Pearlman to 6 more medical groups and 1 home health agency, each named with a free account.

See all 10 affiliations for Dr. Pearlman

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

Dmand AI tracks the EHR system at Dr. Boris A. Pearlman's practice

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

EHR by site
SiteEHR vendor and product
Los Robles Regional Medical CenterAvailable with a free account
+2 more sites and 6 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Boris A. Pearlman is one of 3,186 hospitalists in California

Hospitalist is Dr. Pearlman's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Pearlman is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Pearlman's licenses on file in 3 states: California, New Mexico and Arkansas.

Specialties and state licenses

  • Hospitalist, CaliforniaPrimaryLicense A113879 · 2010 to 2026 · taxonomy 208M00000X
  • New Mexico license2020 to 2024
  • Arkansas license2021 to 2022

Hospitalists near Dr. Pearlman

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. Boris A. Pearlman billed Medicare for 3,082 services in 2024

CMS data shows 3,082 Medicare services from Dr. Pearlman across 7 procedure codes in 2024, for 663 Medicare patients. Medicare paid $277,626 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20243,082
Medicare patients663
Paid by Medicare$277,626
Procedure codes7

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

  • 2023
  • 2024
Office and hospital visits
2023: 1,3162024: 3,082134%

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

  • Dr. Pearlman
  • California median
Medicare services
3,082vs 4307.2 times
Medicare patients
663vs 2013.3 times
Part D claims
167vs 692.4 times

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

Dr. Pearlman'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. Pearlman

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

Dr. Boris A. Pearlman treated 663 Medicare patients in 2024, average age 79

CMS counts 663 Medicare patients who saw Dr. Pearlman in 2024. The largest group is 75 to 84, with 246 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 2.59, 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. Pearlman's median patient age at 77, with 53% women.

Medicare patients, 2024663
Average age79
Average risk score2.59
Also on Medicaid38%

Dr. Pearlman's Medicare patients by age, 2024

Dr. Pearlman's Medicare patients by sex, 2024

  • Women36856%
  • Men29544%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis61%
  4. Ischemic heart disease53%
  5. Diabetes52%
  6. Chronic kidney disease48%
  7. Heart failure47%
  8. Mood disorders44%

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

Dr. Pearlman's patients across all payers

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

Patient panel by age, all payers

Median age 77

Patient panel by sex, all payers

  • Women53%
  • Men47%

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

Dr. Boris A. Pearlman wrote 376 Medicare Part D claims in 2024

In 2024, Dr. Pearlman wrote 376 Medicare Part D claims for 136 patients. 88% of them were for generic drugs. CMS names the drug for 167 of them, across 9 drugs with 11 or more claims each, at $7,056 in total drug cost. In 2023, CMS named 179 claims across 11 drugs.

Part D claims, 2024376
Drugs named by CMS9
Total drug cost$7,056
Part D patients136

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

  • Generic331 claims88%
  • Brand-name and other45 claims12%

Dr. Pearlman'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. Pearlman's Part D claims, 2024

  • Opioids3%12 of 376 claims
  • Antibiotics18%69 of 376 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: 1792024: 1677%

Drugs named by CMS: 9 in 2024, 11 in 2023.

See all prescribing by Dr. Pearlman

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. Boris A. Pearlman takes part in Medicare

Dr. Pearlman 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. Boris A. Pearlman received $133 in industry payments in 2016

CMS Open Payments shows 3 general payments to Dr. Pearlman from 2 drug and device companies in 2016. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $118.

Companies that paid Dr. Pearlman the most, 2016 to 2016

Share is of all general payments to this clinician.

See all payments to Dr. Pearlman

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

Dr. Boris A. Pearlman graduated from VCU School of Medicine

Dr. Pearlman graduated from VCU School of Medicine in 2009.

  1. Medical schoolVCU School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Boris A. Pearlman accepts plans from 6 insurance carriers

Dr. Pearlman is in network with 6 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare

Plan types Dr. Pearlman accepts, by number of carriers

  1. Medicare6
  2. PPO5
  3. HMO2
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Boris A. Pearlman'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. Boris A. Pearlman

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. Boris A. Pearlman's NPI number?

Dr. Boris A. Pearlman's NPI number is 1366670671. It was assigned on June 25, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Boris A. Pearlman?

Dr. Boris A. Pearlman is a hospitalist in Thousand Oaks, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Dr. Boris A. Pearlman practice?

Dr. Pearlman practices at 215 W Janss Rd, Thousand Oaks, CA 91360. Dr. Pearlman's primary practice is Los Robles Regional Medical Center in Thousand Oaks, California, part of HCA Healthcare. Dmand AI also links Dr. Pearlman to 6 medical groups and 1 home health agency.

What is Dr. Boris A. Pearlman's office phone number?

The practice phone on file for Dr. Pearlman is (805) 497-2727.

What is Dr. Boris A. Pearlman's medical license number?

Dr. Pearlman holds California license A113879, one of the licenses on file in 3 states.

Which states has Dr. Boris A. Pearlman been licensed in?

Dmand AI has state licenses on file for Dr. Pearlman in California (2010 to 2026), New Mexico (2020 to 2024) and Arkansas (2021 to 2022).

Which hospitals is Dr. Boris A. Pearlman affiliated with?

Dr. Pearlman practices at Los Robles Regional Medical Center in Thousand Oaks, California. Dr. Pearlman is also affiliated with Huntington Hospital.

What medical group is Dr. Boris A. Pearlman part of?

Dr. Pearlman is linked to Sound Physicians. Dmand AI links Dr. Pearlman to 6 more medical groups.

Does Dr. Boris A. Pearlman accept Medicare?

Yes. CMS data shows Dr. Pearlman billed Medicare for 3,082 services in 2024, and Dr. Pearlman accepts Medicare assignment.

How many Medicare patients does Dr. Boris A. Pearlman see?

CMS counts 663 Medicare patients who saw Dr. Pearlman in 2024, with an average age of 79.

Show 7 more questionsShow fewer questions

Is Dr. Boris A. Pearlman board certified?

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

What services does Dr. Boris A. Pearlman bill to Medicare?

In 2024, Dr. Pearlman's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and care management and other visits (99497).

Where did Dr. Boris A. Pearlman go to medical school?

Dr. Pearlman graduated from VCU School of Medicine in 2009.

What drugs does Dr. Boris A. Pearlman prescribe most?

In 2024 Medicare Part D data, Dr. Pearlman's most prescribed drugs by claims were Atorvastatin Calcium, Carvedilol and Furosemide.

Has Dr. Boris A. Pearlman received payments from drug or device companies?

CMS Open Payments shows $133 in general payments to Dr. Pearlman from 2 companies from 2016 to 2016. The largest total came from Bristol-Myers Squibb Company.

How long has Dr. Boris A. Pearlman been practicing?

Dr. Pearlman graduated from medical school in 2009, 17 years ago.

What insurance does Dr. Boris A. Pearlman accept?

Dr. Pearlman is in network with 6 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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