Dr. David W. Hirshfield, MD

  • La Jolla, CA
  • Internist
NPI1538127402PAC ID8527183276
Medicare services, 2024
273
Medicare patients, 2024
89
Part D claims, 2024
2,766
MIPS score, 2024
92
Hospital affiliations
1
Practice address
9850 Genesee Ave, La Jolla, CA 92037
Practice phone
Call (858) 453-0753
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Scripps Clinic OB-GYN La Jolla Campus

La Jolla, California

See all 5 affiliations

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Dr. David W. Hirshfield is an internist in La Jolla, California

Dr. Hirshfield practices at Scripps Clinic OB-GYN La Jolla Campus in La Jolla, California.

Dr. Hirshfield's NPI, 1538127402, was assigned on May 2, 2006. Dr. Hirshfield graduated from University of Colorado Anschutz Medical Campus in 1994. Dr. Hirshfield holds California license A61886.

NPI and contact details
Medicare PAC ID
8527183276
NPI enumeration date
May 2, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(858) 453-0753
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
58
Medical school graduation
1994

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

Dr. David W. Hirshfield practices at Scripps Clinic OB-GYN La Jolla Campus in La Jolla, California

Dr. Hirshfield's primary practice is Scripps Clinic OB-GYN La Jolla Campus, at 9850 Genesee Ave, La Jolla, CA 92037 in San Diego County. The practice phone is (858) 453-0753.

  • Scripps Clinic OB-GYN La Jolla Campus
    9850 Genesee Ave, La Jolla, CA 92037 · San Diego CountyPhone(858) 453-0753

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. David W. Hirshfield is affiliated with 4 sites of care and 1 medical group

Dr. Hirshfield's primary practice is Scripps Clinic OB-GYN La Jolla Campus in La Jolla, California. Dr. Hirshfield is also affiliated with Hillcrest Medical Center. The medical group on file is Perlman Clinic. Dmand AI also links Dr. Hirshfield to 1 more group practice or clinic and 1 home health agency, each named with a free account.

See all 5 affiliations for Dr. Hirshfield

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. David W. Hirshfield's practice

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

EHR by site
SiteEHR vendor and product
Scripps Clinic OB-GYN La Jolla CampusAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. David W. Hirshfield is one of 16,751 internists in California

Internal medicine is Dr. Hirshfield's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hirshfield is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Hirshfield's licenses on file in 4 states: California, Maryland, District of Columbia and Colorado.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A61886 · 2020 to 2026 · taxonomy 207R00000X
  • Maryland licenseLicense D0057896 · 2001 to 2022
  • District of Columbia license2001 to 2004
  • Colorado license2000 to 2003

Clinical focus

Dmand AI lists acute mini-stroke (TIA), anxiety, arteritis, atrial fibrillation and flutter, bipolar disorder, chronic diabetes, chronic hypertension and chronic kidney disease among the conditions Dr. Hirshfield treats.

Internists near Dr. Hirshfield

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

Dr. David W. Hirshfield billed Medicare for 273 services in 2024

CMS data shows 273 Medicare services from Dr. Hirshfield across 8 procedure codes in 2024, for 89 Medicare patients. Medicare paid $19,692 for them. Every service was in an office.

Medicare services, 2024273
Medicare patients89
Paid by Medicare$19,692
Procedure codes8

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

  • 2023
  • 2024
Office and hospital visits
2023: 1102024: 13018%
Other services
2023: 512024: 115125%
Surgery
2023: 152024: 2887%

Dr. Hirshfield compared with the California median for internists, 2024

  • Dr. Hirshfield
  • California median
Medicare services
273vs 36124% below
Medicare patients
89vs 15141% below
Part D claims
2,068vs 4214.9 times

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

Dr. Hirshfield'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. Hirshfield

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

Dr. David W. Hirshfield treated 89 Medicare patients in 2024, average age 75

CMS counts 89 Medicare patients who saw Dr. Hirshfield in 2024. The largest group is 65 to 74, with 46 patients. 65% of them have high blood pressure, and 64% have high cholesterol. Their average risk score is 1.15, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Hirshfield's median patient age at 71, with 36% women.

Medicare patients, 202489
Average age75
Average risk score1.15

Dr. Hirshfield's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Hirshfield's Medicare patients by sex, 2024

  • Women4045%
  • Men4955%

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

  1. High blood pressure65%
  2. High cholesterol64%
  3. Arthritis38%
  4. Atrial fibrillation27%
  5. Mood disorders25%
  6. Ischemic heart disease21%
  7. Depression20%
  8. Diabetes20%

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

Dr. Hirshfield's patients across all payers

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

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women36%
  • Men63%

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

Dr. David W. Hirshfield wrote 2,766 Medicare Part D claims in 2024

In 2024, Dr. Hirshfield wrote 2,766 Medicare Part D claims for 257 patients. 87% of them were for generic drugs. CMS names the drug for 2,068 of them, across 74 drugs with 11 or more claims each, at $172,282 in total drug cost. In 2023, CMS named 528 claims across 28 drugs.

Part D claims, 20242,766
Drugs named by CMS74
Total drug cost$172,282
Part D patients257

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

  • Generic2,393 claims87%
  • Brand-name353 claims13%
  • Other20 claims1%

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

  • Opioids3%80 of 2,766 claims
  • Antibiotics2%64 of 2,766 claims
  • Antipsychotics, patients 65 and over1%26 of 2,766 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: 5282024: 2,068292%

Drugs named by CMS: 74 in 2024, 28 in 2023.

See all prescribing by Dr. Hirshfield

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. David W. Hirshfield scored 92 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Hirshfield for performance year 2024, reported as part of a group. Dr. Hirshfield accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hirshfield as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Hirshfield's MIPS scores, performance year 2024

  • 92of 100Final score
  • 100of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 100Cost

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

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

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

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Dr. David W. Hirshfield received $6,299 in industry payments from 2016 to 2025

CMS Open Payments shows 287 general payments to Dr. Hirshfield from 51 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $1,008.

General payments to Dr. Hirshfield by program year, 2016 to 2025

Companies that paid Dr. Hirshfield the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Hirshfield

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

Dr. David W. Hirshfield has 1 award and honors on record

Dmand AI lists 1 award for Dr. Hirshfield, most recently CMS Stage 1 2012 in 2012.

Awards and honors for Dr. Hirshfield

  1. 2012
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. David W. Hirshfield graduated from University of Colorado Anschutz Medical Campus

Dr. Hirshfield graduated from University of Colorado Anschutz Medical Campus in 1994.

  1. Medical schoolUniversity of Colorado Anschutz Medical Campus
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. David W. Hirshfield accepts plans from 10 insurance carriers

Dr. Hirshfield is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Humana
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • United Healthcare
  • Blue Cross and Blue Shield of Kansas City
  • +2 more carriersWith a free account

Plan types Dr. Hirshfield accepts, by number of carriers

  1. Medicare8
  2. PPO6
  3. HMO4
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. David W. Hirshfield'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. David W. Hirshfield

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. David W. Hirshfield's NPI number?

Dr. David W. Hirshfield's NPI number is 1538127402. It was assigned on May 2, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. David W. Hirshfield?

Dr. David W. Hirshfield is an internist in La Jolla, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. David W. Hirshfield practice?

Dr. Hirshfield practices at 9850 Genesee Ave, La Jolla, CA 92037. Dr. Hirshfield's primary practice is Scripps Clinic OB-GYN La Jolla Campus in La Jolla, California. Dmand AI also links Dr. Hirshfield to 1 group practice or clinic and 1 home health agency.

What is Dr. David W. Hirshfield's office phone number?

The practice phone on file for Dr. Hirshfield is (858) 453-0753.

What is Dr. David W. Hirshfield's medical license number?

Dr. Hirshfield holds California license A61886, one of the licenses on file in 4 states.

Which states has Dr. David W. Hirshfield been licensed in?

Dmand AI has state licenses on file for Dr. Hirshfield in California (2020 to 2026), Maryland (2001 to 2022), District of Columbia (2001 to 2004) and Colorado (2000 to 2003).

Which hospitals is Dr. David W. Hirshfield affiliated with?

Dr. Hirshfield is affiliated with Hillcrest Medical Center.

What medical group is Dr. David W. Hirshfield part of?

Dr. Hirshfield is linked to Perlman Clinic.

Does Dr. David W. Hirshfield accept Medicare?

Yes. CMS data shows Dr. Hirshfield billed Medicare for 273 services in 2024, and Dr. Hirshfield accepts Medicare assignment.

Does Dr. David W. Hirshfield offer telehealth?

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

Show 9 more questionsShow fewer questions

What is Dr. David W. Hirshfield's MIPS score?

Dr. Hirshfield's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.

How many Medicare patients does Dr. David W. Hirshfield see?

CMS counts 89 Medicare patients who saw Dr. Hirshfield in 2024, with an average age of 75.

Is Dr. David W. Hirshfield board certified?

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

What services does Dr. David W. Hirshfield bill to Medicare?

In 2024, Dr. Hirshfield's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and surgery: heart and blood vessels (36415).

Where did Dr. David W. Hirshfield go to medical school?

Dr. Hirshfield graduated from University of Colorado Anschutz Medical Campus in 1994.

What drugs does Dr. David W. Hirshfield prescribe most?

In 2024 Medicare Part D data, Dr. Hirshfield's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Gabapentin.

Has Dr. David W. Hirshfield received payments from drug or device companies?

CMS Open Payments shows $6,299 in general payments to Dr. Hirshfield from 51 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. David W. Hirshfield been practicing?

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

What insurance does Dr. David W. Hirshfield accept?

Dr. Hirshfield is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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