Michael L. Bier

  • Santa Monica, CA
  • Internist
NPI1104323757PAC ID9335545292
Medicare services, 2024
377
Medicare patients, 2024
132
Part D claims, 2024
1,582
Hospital affiliations
2
Medical groups
2
Practice address
1250 16th Street, Santa Monica, CA 90404
Practice phone
Call (310) 319-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UCLA Santa Monica Medical Center

Hospital · Santa Monica, California

See all 7 affiliations

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Michael L. Bier is an internist in Santa Monica, California

Michael Bier practices at UCLA Santa Monica Medical Center in Santa Monica, California, part of University of California Health.

Michael Bier's NPI, 1104323757, was assigned on April 10, 2018. Michael Bier graduated from Zucker School of Medicine in 2018. Michael Bier's California license number on file is A163939.

NPI and contact details
Medicare PAC ID
9335545292
NPI enumeration date
April 10, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(310) 319-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
34
Medical school graduation
2018

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

Michael L. Bier practices at UCLA Santa Monica Medical Center in Santa Monica, California

Michael Bier's primary practice is UCLA Santa Monica Medical Center, at 1250 16th Street, Santa Monica, CA 90404 in Los Angeles County. The practice phone is (310) 319-4000.

Source: Dmand AI Affiliation Data

Michael L. Bier is affiliated with 5 sites of care and 2 medical groups

Michael Bier's primary practice is UCLA Santa Monica Medical Center in Santa Monica, California, part of University of California Health. Michael Bier is also affiliated with Ronald Reagan UCLA Medical Center. The medical group on file is UCLA Medical Group. Dmand AI also links Michael Bier to 2 more group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.

See all 7 affiliations for Michael Bier

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

Dmand AI tracks the EHR system at Michael L. Bier's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Michael Bier practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCLA Santa Monica Medical CenterAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Michael L. Bier is one of 16,751 internists in California

Internal medicine is Michael Bier's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Michael Bier is board certified in internal medicine by the American Board of Internal Medicine. Michael Bier has a license on file in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A163939 · 2019 to 2025 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acute skin infection, anxiety, atrial fibrillation and flutter, bladder disease, bronchitis, bursitis, chronic anemia and chronic diabetes among the conditions Michael Bier treats.

Internists near Michael Bier

Counts of internists 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

Michael L. Bier billed Medicare for 377 services in 2024

CMS data shows 377 Medicare services from Michael Bier across 8 procedure codes in 2024, for 132 Medicare patients. Medicare paid $19,576 for them. Every service was in an office.

Medicare services, 2024377
Medicare patients132
Paid by Medicare$19,576
Procedure codes8

Michael Bier's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2712024: 29910%
Surgery
2023: 322024: 333%
Other services
2023: 292024: 283%
Tests and treatments
2023: 242024: 1729%

Michael Bier compared with the California median for internists, 2024

  • Michael Bier
  • California median
Medicare services
377vs 361Close to median
Medicare patients
132vs 15113% below
Part D claims
1,020vs 4212.4 times

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Michael Bier'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.

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

Michael L. Bier treated 132 Medicare patients in 2024, average age 73

CMS counts 132 Medicare patients who saw Michael Bier in 2024. The largest group is 65 to 74, with 62 patients. 69% of them have high blood pressure, and 61% have high cholesterol. 27% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Michael Bier's median patient age at 43, with 39% women.

Medicare patients, 2024132
Average age73
Average risk score1.25
Also on Medicaid27%

Michael Bier's Medicare patients by age, 2024

Michael Bier's Medicare patients by sex, 2024

  • Women5945%
  • Men7355%

Chronic conditions among Michael Bier's Medicare patients, 2024

  1. High blood pressure69%
  2. High cholesterol61%
  3. Arthritis46%
  4. Diabetes27%
  5. Ischemic heart disease26%
  6. Mood disorders26%
  7. Anxiety23%
  8. Depression23%

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

Michael Bier's patients across all payers

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

Patient panel by age, all payers

Median age 43

Patient panel by sex, all payers

  • Women39%
  • Men60%

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

Michael L. Bier wrote 1,582 Medicare Part D claims in 2024

In 2024, Michael Bier wrote 1,582 Medicare Part D claims for 268 patients. 88% of them were for generic drugs. CMS names the drug for 1,020 of them, across 37 drugs with 11 or more claims each, at $87,037 in total drug cost. In 2023, CMS named 1,018 claims across 39 drugs.

Part D claims, 20241,582
Drugs named by CMS37
Total drug cost$87,037
Part D patients268

Michael Bier's Part D claims by kind of drug, 2024

  • Generic1,396 claims88%
  • Brand-name and other186 claims12%

Michael Bier'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 Michael Bier's Part D claims, 2024

  • Opioids2%31 of 1,582 claims
  • Antibiotics4%65 of 1,582 claims
  • Antipsychotics, patients 65 and over1%20 of 1,582 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: 1,0182024: 1,020No change

Drugs named by CMS: 37 in 2024, 39 in 2023.

See all prescribing by Michael Bier

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

Michael L. Bier offers telehealth to Medicare patients

Michael Bier accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Michael Bier as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Michael L. Bier graduated from Zucker School of Medicine

Michael Bier graduated from Zucker School of Medicine in 2018.

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

Source: Dmand AI Professional Profile Data

Michael L. Bier accepts plans from 16 insurance carriers

Michael Bier is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Alliant Health Plans
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • +8 more carriersWith a free account

Plan types Michael Bier accepts, by number of carriers

  1. PPO10
  2. HMO7
  3. Medicare7
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Michael L. Bier'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)
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 Michael L. Bier

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

What is Michael L. Bier's NPI number?

Michael L. Bier's NPI number is 1104323757. It was assigned on April 10, 2018, and it is active in the NPI Registry.

What does Michael L. Bier specialize in?

Michael L. Bier is an internist in Santa Monica, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Michael L. Bier practice?

Michael Bier practices at 1250 16th Street, Santa Monica, CA 90404. Michael Bier's primary practice is UCLA Santa Monica Medical Center in Santa Monica, California, part of University of California Health. Dmand AI also links Michael Bier to 2 group practices and clinics, 1 home health agency and 1 medical group.

What is Michael L. Bier's office phone number?

The practice phone on file for Michael Bier is (310) 319-4000.

What is Michael L. Bier's medical license number?

Michael Bier's California license number on file is A163939.

Which hospitals is Michael L. Bier affiliated with?

Michael Bier practices at UCLA Santa Monica Medical Center in Santa Monica, California. Michael Bier is also affiliated with Ronald Reagan UCLA Medical Center.

What medical group is Michael L. Bier part of?

Michael Bier is linked to UCLA Medical Group. Dmand AI links Michael Bier to 1 more medical group.

Does Michael L. Bier accept Medicare?

Yes. CMS data shows Michael Bier billed Medicare for 377 services in 2024, and Michael Bier accepts Medicare assignment.

Does Michael L. Bier offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Michael Bier as offering telehealth services.

How many Medicare patients does Michael L. Bier see?

CMS counts 132 Medicare patients who saw Michael Bier in 2024, with an average age of 73.

Show 6 more questionsShow fewer questions

Is Michael L. Bier board certified?

Yes. Michael Bier is board certified in internal medicine by the American Board of Internal Medicine.

What services does Michael L. Bier bill to Medicare?

In 2024, Michael Bier's most billed Medicare services were office visit, established patient (99213), care management and other visits (99441) and surgery: heart and blood vessels (36415).

Where did Michael L. Bier go to medical school?

Michael Bier graduated from Zucker School of Medicine in 2018.

What drugs does Michael L. Bier prescribe most?

In 2024 Medicare Part D data, Michael Bier's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Lisinopril.

How long has Michael L. Bier been practicing?

Michael Bier graduated from medical school in 2018, 8 years ago.

What insurance does Michael L. Bier accept?

Michael Bier is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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