Dr. Naheed Olsen, MD

  • Bellflower, CA
  • Cardiologist
NPI1710054531PAC ID5395879209
Medicare services, 2022
25
Medicare patients, 2024
33
Part D claims, 2024
1,072
Hospital affiliations
1
Industry payments
$2,901
Practice address
9400 Rosecrans Avenue, Bellflower, CA 90706
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD

Acute Care Hospital outpatient department · Bellflower, California

See all 5 affiliations

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Dr. Naheed Olsen is a cardiologist in Bellflower, California

Dr. Olsen practices at Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California.

Dr. Olsen's NPI, 1710054531, was assigned on November 29, 2006. Dr. Olsen graduated from UC Irvine School of Medicine in 1994. Dr. Olsen's California license number on file is A55571.

NPI and contact details
Medicare PAC ID
5395879209
NPI enumeration date
November 29, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
58
Medical school graduation
1994

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

Dr. Naheed Olsen practices at Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California

Dr. Olsen's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD, at 9400 Rosecrans Avenue, Bellflower, CA 90706.

  • Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD
    9400 Rosecrans Avenue, Bellflower, CA 90706

Source: Dmand AI Affiliation Data

Dr. Naheed Olsen is affiliated with 4 sites of care and 1 medical group

Dr. Olsen's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California. Dr. Olsen is also affiliated with Downey Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Olsen to 1 more breast imaging center and 1 group practice or clinic, each named with a free account. Dr. Olsen's employer is on file too: a hospital.

See all 5 affiliations for Dr. Olsen

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Naheed Olsen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Olsen practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Kaiser Permanente Medical Group Bellflower Medical Offices - HOPDAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Naheed Olsen is one of 2,375 cardiologists in California

Cardiovascular disease is Dr. Olsen's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Olsen is board certified in cardiovascular disease by the American Board of Internal Medicine. Dr. Olsen has a license on file in California.

Specialties and state licenses

  • Cardiovascular disease, CaliforniaPrimaryLicense A55571 · 1996 to 2025 · taxonomy 207RC0000X

Clinical focus

Dmand AI lists atrial fibrillation and flutter and coronary artery disease among the conditions Dr. Olsen treats.

Cardiologists near Dr. Olsen

Counts of cardiologists 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. Naheed Olsen billed Medicare for 25 services in 2022

CMS data shows 25 Medicare services from Dr. Olsen across 2 procedure codes in 2022, for 33 Medicare patients. Medicare paid $792 for them.

Medicare services, 202225
Medicare patients33
Paid by Medicare$792
Procedure codes2

Dr. Olsen's Medicare services by type, 2019 to 2022

  • 2019
  • 2022
Tests and treatments
2019: 112022: 25127%

Where Dr. Olsen's Medicare services took place, 2022

  • In an office1352%
  • In a facility1248%

Dr. Olsen compared with the California median for cardiologists, 2022

  • Dr. Olsen
  • California median
Medicare services
25vs 1,56098% below
Medicare patients
33vs 64495% below
Part D claims
990vs 1,41030% below

Medians across 2,237 cardiologists in California with Dmand AI profiles that report each measure.

Dr. Olsen's most billed Medicare procedure codes, 2022

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. Olsen

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

Dr. Naheed Olsen treated 33 Medicare patients in 2024, average age 69

CMS counts 33 Medicare patients who saw Dr. Olsen in 2024. The largest group is 65 to 74, with 17 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 52% are also on Medicaid. Their average risk score is 1.71, 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. Olsen's median patient age at 65, with 63% women.

Medicare patients, 202433
Average age69
Average risk score1.71
Also on Medicaid52%

Dr. Olsen's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Olsen's Medicare patients by sex, 2024

  • Women1752%
  • Men1648%

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

  1. High blood pressure75%
  2. High cholesterol73%
  3. Diabetes58%
  4. Heart failure45%
  5. Chronic kidney disease33%
  6. Ischemic heart disease33%

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

Dr. Olsen's patients across all payers

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

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women63%
  • Men36%

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

Dr. Naheed Olsen wrote 1,072 Medicare Part D claims in 2024

In 2024, Dr. Olsen wrote 1,072 Medicare Part D claims for 254 patients. 83% of them were for generic drugs. CMS names the drug for 990 of them, across 24 drugs with 11 or more claims each, at $86,872 in total drug cost. In 2023, CMS named 833 claims across 18 drugs.

Part D claims, 20241,072
Drugs named by CMS24
Total drug cost$86,872
Part D patients254

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

  • Generic888 claims83%
  • Brand-name184 claims17%

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

  • Antibiotics5%58 of 1,072 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: 8332024: 99019%

Drugs named by CMS: 24 in 2024, 18 in 2023.

See all prescribing by Dr. Olsen

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. Naheed Olsen takes part in Medicare

Dr. Olsen 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. Naheed Olsen received $2,901 in industry payments from 2016 to 2022

CMS Open Payments shows 9 general payments to Dr. Olsen from 3 drug and device companies from 2016 to 2022. Education speaker fees make up the largest share, 92% of the total. Medtronic Vascular, Inc. paid the most, $2,866.

General payments to Dr. Olsen by program year, 2016 to 2022

General payments to Dr. Olsen by kind, 2016 to 2022

$2.9Kin total
  • Education speaker fees$2,67992%
  • Food and beverage$2238%

Companies that paid Dr. Olsen the most, 2016 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Olsen

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

Dr. Naheed Olsen has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Olsen, most recently ACC Fellow in 2011.

Awards and honors for Dr. Olsen

  1. 2011
    • ACC Fellow
  2. Undated
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Naheed Olsen graduated from UC Irvine School of Medicine

Dr. Olsen graduated from UC Irvine School of Medicine in 1994. Dr. Olsen is a member of ACC.

  1. Medical schoolUC Irvine School of Medicine
  2. Board certified in cardiovascular diseaseAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Naheed Olsen accepts plans from 1 insurance carrier

Dr. Olsen is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • CMS Medicare

Source: Dmand AI Insurance Network Data

Sources for Dr. Naheed Olsen'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 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)
Awards and committee rolesDmand AI Professional Profile Data
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. Naheed Olsen

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. Naheed Olsen's NPI number?

Dr. Naheed Olsen's NPI number is 1710054531. It was assigned on November 29, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Naheed Olsen?

Dr. Naheed Olsen is a cardiologist in Bellflower, California. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. Naheed Olsen practice?

Dr. Olsen practices at 9400 Rosecrans Avenue, Bellflower, CA 90706. Dr. Olsen's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California. Dmand AI also links Dr. Olsen to 1 breast imaging center and 1 group practice or clinic.

What is Dr. Naheed Olsen's medical license number?

Dr. Olsen's California license number on file is A55571.

Which hospitals is Dr. Naheed Olsen affiliated with?

Dr. Olsen is affiliated with Downey Medical Center.

What medical group is Dr. Naheed Olsen part of?

Dr. Olsen is linked to Southern California Permanente Medical Group.

Does Dr. Naheed Olsen accept Medicare?

Yes. CMS data shows Dr. Olsen billed Medicare for 25 services in 2022, and Dr. Olsen accepts Medicare assignment.

How many Medicare patients does Dr. Naheed Olsen see?

CMS counts 33 Medicare patients who saw Dr. Olsen in 2024, with an average age of 69.

Is Dr. Naheed Olsen board certified?

Yes. Dr. Olsen is board certified in cardiovascular disease by the American Board of Internal Medicine.

What services does Dr. Naheed Olsen bill to Medicare?

In 2022, Dr. Olsen's most billed Medicare services were heart test or procedure (93010) and heart test or procedure (93306).

Show 5 more questionsShow fewer questions

Where did Dr. Naheed Olsen go to medical school?

Dr. Olsen graduated from UC Irvine School of Medicine in 1994.

What drugs does Dr. Naheed Olsen prescribe most?

In 2024 Medicare Part D data, Dr. Olsen's most prescribed drugs by claims were Bisoprolol Fumarate, Pradaxa and Losartan Potassium.

Has Dr. Naheed Olsen received payments from drug or device companies?

CMS Open Payments shows $2,901 in general payments to Dr. Olsen from 3 companies from 2016 to 2022. The largest total came from Medtronic Vascular, Inc.

How long has Dr. Naheed Olsen been practicing?

Dr. Olsen graduated from medical school in 1994, 32 years ago.

What insurance does Dr. Naheed Olsen accept?

Dr. Olsen is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

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