Dr. Hayden Lowenstein, MD

  • West Hollywood, CA
  • Infectious disease specialist
NPI1437446648PAC ID9830484716
Medicare services, 2024
1,088
Medicare patients, 2024
246
Part D claims, 2024
753
MIPS score, 2024
89
Hospital affiliations
1
Practice address
8700 Beverly Blvd, Los Angeles, CA 90048
Practice phone
Call (310) 423-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Cedars-Sinai Medical Center

Hospital · Los Angeles, California

See all 3 affiliations

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Dr. Hayden Lowenstein is an infectious disease specialist in West Hollywood, California

Dr. Lowenstein practices at Cedars-Sinai Medical Center in Los Angeles, California, part of Cedars-Sinai Health System.

Dr. Lowenstein's NPI, 1437446648, was assigned on July 8, 2011. Dr. Lowenstein graduated from New York Medical College in 2011. Dr. Lowenstein holds California license A122670.

NPI and contact details
Medicare PAC ID
9830484716
NPI enumeration date
July 8, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(310) 423-5000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
41
Medical school graduation
2011

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

Dr. Hayden Lowenstein practices at Cedars-Sinai Medical Center in Los Angeles, California

Dr. Lowenstein's primary practice is Cedars-Sinai Medical Center, at 8700 Beverly Blvd, Los Angeles, CA 90048 in Los Angeles County. The practice phone is (310) 423-5000.

Source: Dmand AI Affiliation Data

Dr. Hayden Lowenstein is affiliated with 2 sites of care and 1 medical group

Dr. Lowenstein's primary practice is Cedars-Sinai Medical Center in Los Angeles, California, part of Cedars-Sinai Health System. The medical group on file is Cedars-Sinai Medical Group. Dmand AI also links Dr. Lowenstein to 1 more home health agency, named with a free account.

See all 3 affiliations for Dr. Lowenstein

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

Dmand AI tracks the EHR system at Dr. Hayden Lowenstein's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lowenstein practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Cedars-Sinai Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Hayden Lowenstein is one of 1,054 infectious disease specialists in California

Infectious disease is Dr. Lowenstein's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Lowenstein is board certified in infectious disease by the American Board of Internal Medicine. Dr. Lowenstein is licensed in California.

Specialties and state licenses

  • Infectious disease, CaliforniaPrimaryLicense A122670 · 2012 to 2026 · taxonomy 207RI0200X

Clinical focus

Dmand AI lists acute skin infection, hiv/aids, immune deficiency disease, joint or bone infection, pneumonia and UTI among the conditions Dr. Lowenstein treats.

Infectious disease specialists near Dr. Lowenstein

Counts of infectious disease specialists 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. Hayden Lowenstein billed Medicare for 1,088 services in 2024

CMS data shows 1,088 Medicare services from Dr. Lowenstein across 7 procedure codes in 2024, for 246 Medicare patients. Medicare paid $94,097 for them.

Medicare services, 20241,088
Medicare patients246
Paid by Medicare$94,097
Procedure codes7

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

  • 2023
  • 2024
Office and hospital visits
2023: 9832024: 1,0305%
Surgery
2023: 442024: 5832%

Where Dr. Lowenstein's Medicare services took place, 2024

  • In an office18517%
  • In a facility90383%

Dr. Lowenstein compared with the California median for infectious disease specialists, 2024

  • Dr. Lowenstein
  • California median
Medicare services
1,088vs 4292.5 times
Medicare patients
246vs 18037% above
Part D claims
531vs 1194.5 times

Medians across 930 infectious disease specialists in California with Dmand AI profiles that report each measure.

Dr. Lowenstein'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. Lowenstein

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

Dr. Hayden Lowenstein treated 246 Medicare patients in 2024, average age 74

CMS counts 246 Medicare patients who saw Dr. Lowenstein in 2024. The largest group is 75 to 84, with 84 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 45% are also on Medicaid. Their average risk score is 3.69, 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. Lowenstein's median patient age at 63, with 32% women.

Medicare patients, 2024246
Average age74
Average risk score3.69
Also on Medicaid45%

Dr. Lowenstein's Medicare patients by age, 2024

Dr. Lowenstein's Medicare patients by sex, 2024

  • Women10442%
  • Men14258%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease67%
  4. Arthritis65%
  5. Heart failure61%
  6. Diabetes57%
  7. Chronic kidney disease56%
  8. Mood disorders51%

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

Dr. Lowenstein's patients across all payers

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

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women32%
  • Men68%

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

Dr. Hayden Lowenstein wrote 753 Medicare Part D claims in 2024

In 2024, Dr. Lowenstein wrote 753 Medicare Part D claims for 116 patients. 47% of them were for generic drugs. CMS names the drug for 531 of them, across 19 drugs with 11 or more claims each, at $1,256,033 in total drug cost. In 2023, CMS named 532 claims across 19 drugs.

Part D claims, 2024753
Drugs named by CMS19
Total drug cost$1.3M
Part D patients116

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

  • Generic351 claims47%
  • Brand-name402 claims53%

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

  • Antibiotics33%249 of 753 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: 5322024: 531No change

Drugs named by CMS: 19 in 2024, 19 in 2023.

See all prescribing by Dr. Lowenstein

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

Dr. Hayden Lowenstein scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Lowenstein for performance year 2024, reported as part of a group. Dr. Lowenstein accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lowenstein as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Lowenstein's MIPS scores, performance year 2024

  • 89of 100Final score
  • 84.8of 100Quality
  • 99of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 73of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Hayden Lowenstein received $815 in industry payments from 2016 to 2021

CMS Open Payments shows 10 general payments to Dr. Lowenstein from 4 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 96% of the total. Merck Sharp & Dohme Corporation paid the most, $601.

General payments to Dr. Lowenstein by program year, 2016 to 2021

General payments to Dr. Lowenstein by kind, 2016 to 2021

$815in total
  • Food and beverage$78296%
  • Education$324%

Companies that paid Dr. Lowenstein the most, 2016 to 2021

Share is of all general payments to this clinician.

See all payments to Dr. Lowenstein

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

Dr. Hayden Lowenstein graduated from New York Medical College

Dr. Lowenstein graduated from New York Medical College in 2011.

  1. Medical schoolNew York Medical College
  2. Board certified in infectious diseaseAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Hayden Lowenstein accepts plans from 8 insurance carriers

Dr. Lowenstein is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare

Plan types Dr. Lowenstein accepts, by number of carriers

  1. Medicare7
  2. PPO6
  3. HMO3
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Hayden Lowenstein'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)Clinician Public Reporting: Overall MIPS Performance (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. Hayden Lowenstein

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. Hayden Lowenstein's NPI number?

Dr. Hayden Lowenstein's NPI number is 1437446648. It was assigned on July 8, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Hayden Lowenstein?

Dr. Hayden Lowenstein is an infectious disease specialist in West Hollywood, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).

Where does Dr. Hayden Lowenstein practice?

Dr. Lowenstein practices at 8700 Beverly Blvd, Los Angeles, CA 90048. Dr. Lowenstein's primary practice is Cedars-Sinai Medical Center in Los Angeles, California, part of Cedars-Sinai Health System. Dmand AI also links Dr. Lowenstein to 1 home health agency.

What is Dr. Hayden Lowenstein's office phone number?

The practice phone on file for Dr. Lowenstein is (310) 423-5000.

What is Dr. Hayden Lowenstein's medical license number?

Dr. Lowenstein holds California license A122670.

Which hospitals is Dr. Hayden Lowenstein affiliated with?

Dr. Lowenstein practices at Cedars-Sinai Medical Center in Los Angeles, California.

What medical group is Dr. Hayden Lowenstein part of?

Dr. Lowenstein is linked to Cedars-Sinai Medical Group.

Does Dr. Hayden Lowenstein accept Medicare?

Yes. CMS data shows Dr. Lowenstein billed Medicare for 1,088 services in 2024, and Dr. Lowenstein accepts Medicare assignment.

Does Dr. Hayden Lowenstein offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Lowenstein as offering telehealth services.

What is Dr. Hayden Lowenstein's MIPS score?

Dr. Lowenstein's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Hayden Lowenstein see?

CMS counts 246 Medicare patients who saw Dr. Lowenstein in 2024, with an average age of 74.

Is Dr. Hayden Lowenstein board certified?

Yes. Dr. Lowenstein is board certified in infectious disease by the American Board of Internal Medicine.

What services does Dr. Hayden Lowenstein bill to Medicare?

In 2024, Dr. Lowenstein's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99223).

Where did Dr. Hayden Lowenstein go to medical school?

Dr. Lowenstein graduated from New York Medical College in 2011.

What drugs does Dr. Hayden Lowenstein prescribe most?

In 2024 Medicare Part D data, Dr. Lowenstein's most prescribed drugs by claims were Biktarvy, Dovato and Cephalexin.

Has Dr. Hayden Lowenstein received payments from drug or device companies?

CMS Open Payments shows $815 in general payments to Dr. Lowenstein from 4 companies from 2016 to 2021. The largest total came from Merck Sharp & Dohme Corporation.

How long has Dr. Hayden Lowenstein been practicing?

Dr. Lowenstein graduated from medical school in 2011, 15 years ago.

What insurance does Dr. Hayden Lowenstein accept?

Dr. Lowenstein is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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