David J. Wallenstein

  • Santa Monica, CA
  • Family medicine physician
NPI1962417386PAC ID9537151378
Medicare services, 2024
383
Medicare patients, 2024
182
Part D claims, 2024
2,106
Publications
2
Hospital affiliations
2
Practice address
1920 Colorado Ave, Santa Monica, CA 90404-3414
Practice phone
Call (310) 319-4700
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Ucla Family Health Center

Primary care practice · Santa Monica, California

See all 9 affiliations

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David J. Wallenstein is a family medicine physician in Santa Monica, California

David Wallenstein practices at Ucla Family Health Center in Santa Monica, California.

David Wallenstein's NPI, 1962417386, was assigned on July 31, 2006. David Wallenstein graduated from University of Illinois College of Medicine - Chicago in 1997. David Wallenstein holds California license A81052.

NPI and contact details
Medicare PAC ID
9537151378
NPI enumeration date
July 31, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(310) 319-4700
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
55
Medical school graduation
1997

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

David J. Wallenstein practices at Ucla Family Health Center in Santa Monica, California

David Wallenstein's primary practice is Ucla Family Health Center, at 1920 Colorado Ave, Santa Monica, CA 90404-3414. The practice phone is (310) 319-4700.

  • Ucla Family Health Center
    1920 Colorado Ave, Santa Monica, CA 90404-3414Phone(310) 319-4700

Source: Dmand AI Affiliation Data

David J. Wallenstein is affiliated with 7 sites of care and 2 medical groups

David Wallenstein's primary practice is Ucla Family Health Center in Santa Monica, California. David Wallenstein is also affiliated with UCLA Santa Monica Medical Center. The medical group on file is UCLA Medical Group (UCLA Health). Dmand AI also links David Wallenstein to 1 more hospital, 3 home health agencies, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 9 affiliations for David Wallenstein

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at David J. Wallenstein's practice

Dmand AI tracks the electronic health record (EHR) system at each site where David Wallenstein practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ucla Family Health CenterAvailable with a free account
+6 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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David J. Wallenstein is one of 15,680 family medicine physicians in California

Family medicine is David Wallenstein's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. David Wallenstein is board certified in hospice and palliative medicine by the American Board of Internal Medicine. Dmand AI has David Wallenstein's licenses on file in 2 states: California and Illinois.

Specialties and state licenses

  • Family medicine, CaliforniaPrimaryLicense A81052 · 2002 to 2026 · taxonomy 207Q00000X
  • Illinois license1990 to 1991

Clinical focus

Dmand AI lists acute gallbladder or bile duct inflammation, acute skin infection, alzheimer's disease, anxiety, arthritis, asthma, cardiomyopathy and chronic anemia among the conditions David Wallenstein treats.

Family medicine physicians near David Wallenstein

Counts of family medicine physicians 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

David J. Wallenstein billed Medicare for 383 services in 2024

CMS data shows 383 Medicare services from David Wallenstein across 2 procedure codes in 2024, all of them office visits, for 182 Medicare patients. Medicare paid $23,790 for them. Every service was in an office.

Medicare services, 2024383
Medicare patients182
Paid by Medicare$23,790
Procedure codes2

David Wallenstein's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4302024: 38311%
Other services
2023: 132024: 0100%

David Wallenstein compared with the California median for family medicine physicians, 2024

  • David Wallenstein
  • California median
Medicare services
383vs 24656% above
Medicare patients
182vs 11854% above
Part D claims
1,501vs 83380% above

Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.

David Wallenstein'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 David Wallenstein

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

David J. Wallenstein treated 182 Medicare patients in 2024, average age 72

CMS counts 182 Medicare patients who saw David Wallenstein in 2024. The largest group is 65 to 74, with 82 patients. 70% of them have high blood pressure, and 67% have high cholesterol. 53% are also on Medicaid. Their average risk score is 1.76, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts David Wallenstein's median patient age at 55, with 50% women.

Medicare patients, 2024182
Average age72
Average risk score1.76
Also on Medicaid53%

David Wallenstein's Medicare patients by age, 2024

David Wallenstein's Medicare patients by sex, 2024

  • Women9251%
  • Men9049%

Chronic conditions among David Wallenstein's Medicare patients, 2024

  1. High blood pressure70%
  2. High cholesterol67%
  3. Arthritis62%
  4. Mood disorders40%
  5. Depression34%
  6. Ischemic heart disease34%
  7. Anxiety33%
  8. Diabetes29%

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

David Wallenstein's patients across all payers

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

Patient panel by age, all payers

Median age 55

Patient panel by sex, all payers

  • Women50%
  • Men49%

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

David J. Wallenstein wrote 2,106 Medicare Part D claims in 2024

In 2024, David Wallenstein wrote 2,106 Medicare Part D claims for 237 patients. 88% of them were for generic drugs. CMS names the drug for 1,501 of them, across 52 drugs with 11 or more claims each, at $82,809 in total drug cost. In 2023, CMS named 1,512 claims across 51 drugs.

Part D claims, 20242,106
Drugs named by CMS52
Total drug cost$82,809
Part D patients237

David Wallenstein's Part D claims by kind of drug, 2024

  • Generic1,846 claims88%
  • Brand-name245 claims12%
  • Other15 claims1%

David Wallenstein'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 David Wallenstein's Part D claims, 2024

  • Opioids13%284 of 2,106 claims
  • Antibiotics2%34 of 2,106 claims
  • Antipsychotics, patients 65 and over1%19 of 2,106 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: 1,5122024: 1,5011%

Drugs named by CMS: 52 in 2024, 51 in 2023.

See all prescribing by David Wallenstein

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

David J. Wallenstein offers telehealth to Medicare patients

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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David J. Wallenstein has 2 publications on record

Dmand AI links 2 papers to David Wallenstein in 2019. 2019 was the busiest year, with 2. David Wallenstein's most frequent co-authors are Peifeng Hu, MD, Christopher J. Pietras, MD and Angela Yeh.

Papers2

David Wallenstein's most frequent co-authors

Recent publications by David Wallenstein

See all 2 publications and co-authors

See who David Wallenstein researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who David Wallenstein works with, so you can find a warm path to the right family medicine physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

David J. Wallenstein has 1 award and honors on record

Dmand AI lists 1 award for David Wallenstein, most recently CMS Stage 1 EHR in 2013.

Awards and honors for David Wallenstein

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

David J. Wallenstein graduated from University of Illinois College of Medicine - Chicago

David Wallenstein graduated from University of Illinois College of Medicine - Chicago in 1997.

  1. Medical schoolUniversity of Illinois College of Medicine - Chicago
  2. Board certified in hospice and palliative medicineAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

David J. Wallenstein accepts plans from 14 insurance carriers

David Wallenstein is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

Plan types David Wallenstein accepts, by number of carriers

  1. Medicare9
  2. HMO8
  3. PPO8
  4. EPO4
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for David J. Wallenstein'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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 David J. Wallenstein

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

What is David J. Wallenstein's NPI number?

David J. Wallenstein's NPI number is 1962417386. It was assigned on July 31, 2006, and it is active in the NPI Registry.

What does David J. Wallenstein specialize in?

David J. Wallenstein is a family medicine physician in Santa Monica, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).

Where does David J. Wallenstein practice?

David Wallenstein practices at 1920 Colorado Ave, Santa Monica, CA 90404-3414. David Wallenstein's primary practice is Ucla Family Health Center in Santa Monica, California. Dmand AI also links David Wallenstein to 1 hospital, 3 home health agencies, 1 group practice or clinic and 1 medical group.

What is David J. Wallenstein's office phone number?

The practice phone on file for David Wallenstein is (310) 319-4700.

What is David J. Wallenstein's medical license number?

David Wallenstein holds California license A81052, one of the licenses on file in 2 states.

Which states has David J. Wallenstein been licensed in?

Dmand AI has state licenses on file for David Wallenstein in California (2002 to 2026) and Illinois (1990 to 1991).

Which hospitals is David J. Wallenstein affiliated with?

David Wallenstein is affiliated with UCLA Santa Monica Medical Center. Dmand AI links David Wallenstein to 1 more hospital.

What medical group is David J. Wallenstein part of?

David Wallenstein is linked to UCLA Medical Group (UCLA Health). Dmand AI links David Wallenstein to 1 more medical group.

Does David J. Wallenstein accept Medicare?

Yes. CMS data shows David Wallenstein billed Medicare for 383 services in 2024, and David Wallenstein accepts Medicare assignment.

Does David J. Wallenstein offer telehealth?

Yes. The CMS Doctors and Clinicians file lists David Wallenstein as offering telehealth services.

Show 9 more questionsShow fewer questions

How many Medicare patients does David J. Wallenstein see?

CMS counts 182 Medicare patients who saw David Wallenstein in 2024, with an average age of 72.

Is David J. Wallenstein board certified?

Yes. David Wallenstein is board certified in hospice and palliative medicine by the American Board of Internal Medicine.

What services does David J. Wallenstein bill to Medicare?

In 2024, David Wallenstein's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).

Where did David J. Wallenstein go to medical school?

David Wallenstein graduated from University of Illinois College of Medicine - Chicago in 1997.

What drugs does David J. Wallenstein prescribe most?

In 2024 Medicare Part D data, David Wallenstein's most prescribed drugs by claims were Atorvastatin Calcium, Oxycodone HCl and Gabapentin.

How long has David J. Wallenstein been practicing?

David Wallenstein graduated from medical school in 1997, 29 years ago.

Does David J. Wallenstein do research?

Dmand AI links 2 publications to David Wallenstein.

Who does David J. Wallenstein publish with?

David Wallenstein's most frequent co-authors are Peifeng Hu, MD (2 shared papers), Christopher J. Pietras, MD (2 shared papers) and Angela Yeh (2 shared papers).

What insurance does David J. Wallenstein accept?

David Wallenstein is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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