Dr. Justin Granville Donlan, MD

  • Los Angeles, CA
  • Internist
NPI1801328604PAC ID4587939491
Medicare services, 2024
28
Medicare patients, 2024
25
Part D claims, 2024
1,483
Publications
1
MIPS score, 2024
82
Practice address
1300 N Vermont Ave, Los Angeles, CA 90027
Practice phone
Call (213) 413-3000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

CHA Hollywood Presbyterian Medical Center

Hospital · Los Angeles, California

See all 5 affiliations

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Dr. Justin Granville Donlan is an internist in Los Angeles, California

Dr. Donlan practices at CHA Hollywood Presbyterian Medical Center in Los Angeles, California, part of CHA Health Systems.

Dr. Donlan's NPI, 1801328604, was assigned on March 30, 2017. Dr. Donlan graduated from University of Maryland School of Medicine in 2017. Dr. Donlan holds California license A161657.

NPI and contact details
Medicare PAC ID
4587939491
NPI enumeration date
March 30, 2017
NPI status
Active
Practice phone
(213) 413-3000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
35
Medical school graduation
2017

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

Dr. Justin Granville Donlan practices at CHA Hollywood Presbyterian Medical Center in Los Angeles, California

Dr. Donlan's primary practice is CHA Hollywood Presbyterian Medical Center, at 1300 N Vermont Ave, Los Angeles, CA 90027 in Los Angeles County. The practice phone is (213) 413-3000.

Source: Dmand AI Affiliation Data

Dr. Justin Granville Donlan is affiliated with 4 sites of care and 1 medical group

Dr. Donlan's primary practice is CHA Hollywood Presbyterian Medical Center in Los Angeles, California, part of CHA Health Systems. The medical group on file is AIDS Healthcare Foundation. Dmand AI also links Dr. Donlan to 1 more breast imaging center, 1 physician office and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Donlan

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

Dmand AI tracks the EHR system at Dr. Justin Granville Donlan's practice

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

EHR by site
SiteEHR vendor and product
CHA Hollywood Presbyterian Medical CenterAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Justin Granville Donlan is one of 16,751 internists in California

Internal medicine is Dr. Donlan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Donlan is board certified in hiv specialist by the American Academy of HIV Medicine. Dmand AI has Dr. Donlan's licenses on file in 2 states: California and New York.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A161657 · 2019 to 2027 · taxonomy 207R00000X
  • New York licenseLicense 323884 · 2023 to 2026

Clinical focus

Dmand AI lists acid reflux, enlarged prostate, gastroenteritis, hereditary polyneuropathy, neuropathy, tinnitus and underactive thyroid among the conditions Dr. Donlan treats.

Internists near Dr. Donlan

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. Justin Granville Donlan billed Medicare for 28 services in 2024

CMS data shows 28 Medicare services from Dr. Donlan across 1 procedure code in 2024, all of them office visits, for 25 Medicare patients. Medicare paid $2,474 for them. Every service was in an office.

Medicare services, 202428
Medicare patients25
Paid by Medicare$2,474
Procedure codes1

Dr. Donlan's Medicare services by type, 2021 to 2024

  • 2021
  • 2024
Office and hospital visits
2021: 02024: 28
Other services
2021: 642024: 0100%

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

  • Dr. Donlan
  • California median
Medicare services
28vs 36192% below
Medicare patients
25vs 15183% below
Part D claims
1,086vs 4212.6 times

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

Dr. Donlan'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. Donlan

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

Dr. Justin Granville Donlan treated 25 Medicare patients in 2024, average age 64

CMS counts 25 Medicare patients who saw Dr. Donlan in 2024. The largest group is 65 to 74, with 13 patients. 75% of them have high cholesterol, and 72% have high blood pressure. Their average risk score is 1.91, 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. Donlan's median patient age at 45, with 18% women.

Medicare patients, 202425
Average age64
Average risk score1.91

Dr. Donlan's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

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

  1. High cholesterol75%
  2. High blood pressure72%

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

Dr. Donlan's patients across all payers

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

Patient panel by age, all payers

Median age 45

Patient panel by sex, all payers

  • Women18%
  • Men80%

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

Dr. Justin Granville Donlan wrote 1,483 Medicare Part D claims in 2024

In 2024, Dr. Donlan wrote 1,483 Medicare Part D claims for 101 patients. 70% of them were for generic drugs. CMS names the drug for 1,086 of them, across 34 drugs with 11 or more claims each, at $1,060,597 in total drug cost. In 2023, CMS named 44 claims across 3 drugs.

Part D claims, 20241,483
Drugs named by CMS34
Total drug cost$1.1M
Part D patients101

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

  • Generic1,041 claims70%
  • Brand-name442 claims30%

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

  • Opioids1%11 of 1,483 claims
  • Antibiotics2%31 of 1,483 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: 442024: 1,0862368%

Drugs named by CMS: 34 in 2024, 3 in 2023.

See all prescribing by Dr. Donlan

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. Justin Granville Donlan scored 82 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Donlan for performance year 2024, reported as part of a group.

Dr. Donlan's MIPS scores, performance year 2024

  • 82of 100Final score
  • 64.8of 100Quality
  • 40of 100Improvement Activities
  • 79of 100Cost

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

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Justin Granville Donlan has 1 publication on record

Dmand AI links 1 paper to Dr. Donlan in 2013.

Papers1

Recent publications by Dr. Donlan

See all 1 publications and co-authors

See who Dr. Donlan researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Donlan works with, so you can find a warm path to the right internists.

How network discovery works

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

Dr. Justin Granville Donlan received $47,219 in industry payments from 2021 to 2025

CMS Open Payments shows 186 general payments to Dr. Donlan from 21 drug and device companies from 2021 to 2025. Speaker and faculty fees make up the largest share, 80% of the total. ViiV Healthcare Company paid the most, $42,612.

General payments to Dr. Donlan by program year, 2021 to 2025

General payments to Dr. Donlan by kind, 2021 to 2025

$47.2Kin total
  • Speaker and faculty fees$37,70080%
  • Food and beverage$7,87517%
  • Travel and lodging$1,6313%
  • Education$120%

Companies that paid Dr. Donlan the most, 2021 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Donlan

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

Dr. Justin Granville Donlan graduated from University of Maryland School of Medicine

Dr. Donlan graduated from University of Maryland School of Medicine in 2017.

  1. Medical schoolUniversity of Maryland School of Medicine
  2. Board certified in hiv specialistAmerican Academy of HIV Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Justin Granville Donlan accepts plans from 6 insurance carriers

Dr. Donlan is in network with 6 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 5. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • LA Care
  • Molina

Plan types Dr. Donlan accepts, by number of carriers

  1. HMO5
  2. Medicare5
  3. PPO4
  4. POS3
  5. EPO2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Justin Granville Donlan'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 percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Justin Granville Donlan

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. Justin Granville Donlan's NPI number?

Dr. Justin Granville Donlan's NPI number is 1801328604. It was assigned on March 30, 2017, and it is active in the NPI Registry.

What kind of doctor is Dr. Justin Granville Donlan?

Dr. Justin Granville Donlan is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Justin Granville Donlan practice?

Dr. Donlan practices at 1300 N Vermont Ave, Los Angeles, CA 90027. Dr. Donlan's primary practice is CHA Hollywood Presbyterian Medical Center in Los Angeles, California, part of CHA Health Systems. Dmand AI also links Dr. Donlan to 1 breast imaging center, 1 physician office and 1 group practice or clinic.

What is Dr. Justin Granville Donlan's office phone number?

The practice phone on file for Dr. Donlan is (213) 413-3000.

What is Dr. Justin Granville Donlan's medical license number?

Dr. Donlan holds California license A161657, one of the licenses on file in 2 states.

Which states has Dr. Justin Granville Donlan been licensed in?

Dmand AI has state licenses on file for Dr. Donlan in California (2019 to 2027) and New York (2023 to 2026).

Which hospitals is Dr. Justin Granville Donlan affiliated with?

Dr. Donlan practices at CHA Hollywood Presbyterian Medical Center in Los Angeles, California.

What medical group is Dr. Justin Granville Donlan part of?

Dr. Donlan is linked to AIDS Healthcare Foundation.

Does Dr. Justin Granville Donlan accept Medicare?

Yes. CMS data shows Dr. Donlan billed Medicare for 28 services in 2024.

What is Dr. Justin Granville Donlan's MIPS score?

Dr. Donlan's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Justin Granville Donlan see?

CMS counts 25 Medicare patients who saw Dr. Donlan in 2024, with an average age of 64.

Is Dr. Justin Granville Donlan board certified?

Yes. Dr. Donlan is board certified in hiv specialist by the American Academy of HIV Medicine.

What services does Dr. Justin Granville Donlan bill to Medicare?

In 2024, Dr. Donlan's most billed Medicare services were office visit, established patient (99214).

Where did Dr. Justin Granville Donlan go to medical school?

Dr. Donlan graduated from University of Maryland School of Medicine in 2017.

What drugs does Dr. Justin Granville Donlan prescribe most?

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

Has Dr. Justin Granville Donlan received payments from drug or device companies?

CMS Open Payments shows $47,219 in general payments to Dr. Donlan from 21 companies from 2021 to 2025. The largest total came from ViiV Healthcare Company.

How long has Dr. Justin Granville Donlan been practicing?

Dr. Donlan graduated from medical school in 2017, 9 years ago.

Does Dr. Justin Granville Donlan do research?

Dmand AI links 1 publication to Dr. Donlan.

What insurance does Dr. Justin Granville Donlan accept?

Dr. Donlan is in network with 6 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 5. Check the plan with the practice before a visit.

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