Dr. Gabriel Loeb, MD, PhD

  • San Francisco, CA
  • Nephrologist
NPI1649651647PAC ID1052629052
Medicare services, 2024
362
Medicare patients, 2024
97
Part D claims, 2024
30
Publications
10
MIPS score, 2024
100
Practice address
505 Parnassus Ave, Box 0296, San Francisco, CA 94143
Practice phone
Call (415) 353-2733
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UCSF Helen Diller Medical Center at Parnassus Heights

Hospital · San Francisco, California

See all 6 affiliations

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Dr. Gabriel Loeb is a nephrologist in San Francisco, California

Dr. Loeb practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.

Dr. Loeb's NPI, 1649651647, was assigned on June 15, 2015. Dr. Loeb graduated from Weill Cornell Medicine in 2015. Dr. Loeb's California license number on file is A154997.

NPI and contact details
Medicare PAC ID
1052629052
NPI enumeration date
June 15, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(415) 353-2733
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
37
Medical school graduation
2015

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

Dr. Gabriel Loeb practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California

Dr. Loeb's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.

Source: Dmand AI Affiliation Data

Dr. Gabriel Loeb is affiliated with 3 sites of care and 3 medical groups

Dr. Loeb's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Loeb to 2 more group practices and clinics and 2 medical groups, each named with a free account.

See all 6 affiliations for Dr. Loeb

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

Dmand AI tracks the EHR system at Dr. Gabriel Loeb's practice

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

EHR by site
SiteEHR vendor and product
UCSF Helen Diller Medical Center at Parnassus HeightsAvailable with a free account
+2 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Gabriel Loeb is one of 1,401 nephrologists in California

Nephrology is Dr. Loeb's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Loeb is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Loeb's licenses on file in 2 states: California and Massachusetts.

Specialties and state licenses

  • Nephrology, CaliforniaPrimaryLicense A154997 · 2018 to 2025 · taxonomy 207RN0300X
  • Internal medicine, MassachusettsLicense 264267 · 2015 to 2018 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acute kidney failure and chronic kidney disease among the conditions Dr. Loeb treats.

Nephrologists near Dr. Loeb

Counts of nephrologists 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. Gabriel Loeb billed Medicare for 362 services in 2024

CMS data shows 362 Medicare services from Dr. Loeb across 6 procedure codes in 2024, for 97 Medicare patients. Medicare paid $31,951 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024362
Medicare patients97
Paid by Medicare$31,951
Procedure codes6

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

  • 2023
  • 2024
Office and hospital visits
2023: 912024: 243167%
Tests and treatments
2023: 392024: 119205%

Dr. Loeb compared with the California median for nephrologists, 2024

  • Dr. Loeb
  • California median
Medicare services
362vs 1,08467% below
Medicare patients
97vs 30768% below
Part D claims
24vs 95597% below

Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.

Dr. Loeb'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. Loeb

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

Dr. Gabriel Loeb treated 97 Medicare patients in 2024, average age 71

CMS counts 97 Medicare patients who saw Dr. Loeb in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 65% are also on Medicaid. Their average risk score is 5.80, 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. Loeb's median patient age at 50, with 44% women.

Medicare patients, 202497
Average age71
Average risk score5.80
Also on Medicaid65%

Dr. Loeb's Medicare patients by age, 2024

Dr. Loeb's Medicare patients by sex, 2024

  • Women4546%
  • Men5254%

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

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes69%
  5. Heart failure68%
  6. Ischemic heart disease61%
  7. Atrial fibrillation49%
  8. Arthritis45%

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

Dr. Loeb's patients across all payers

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

Patient panel by age, all payers

Median age 50

Patient panel by sex, all payers

  • Women44%
  • Men55%

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

Dr. Gabriel Loeb wrote 30 Medicare Part D claims in 2024

In 2024, Dr. Loeb wrote 30 Medicare Part D claims. 70% of them were for generic drugs. CMS names the drug for 24 of them, across 2 drugs with 11 or more claims each, at $1,568 in total drug cost.

Part D claims, 202430
Drugs named by CMS2
Total drug cost$1,568

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

  • Generic21 claims70%
  • Brand-name and other9 claims30%

Dr. Loeb's most prescribed drugs by claims, 2016

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

See all prescribing by Dr. Loeb

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. Gabriel Loeb scored 100 out of 100 in Medicare's MIPS program for 2024

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Loeb's MIPS scores, performance year 2024

  • 100of 100Final score
  • 95of 100Quality
  • 40of 100Improvement Activities
  • 81of 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

For MedTech and pharma teams

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Dr. Gabriel Loeb has 10 publications on record

Dmand AI links 10 papers to Dr. Loeb, published from 2008 to 2024. 2024 was the busiest year, with 2. The most frequent topics are MicroRNAs, Mice, Knockout and Gene Expression Regulation. Dr. Loeb has published most often in bioRxiv. Dr. Loeb's most frequent co-authors are Richard Alan Lafayette, MD and Joseph Chihping Liao, MD.

Papers10
Years published2008 to 2024

Dr. Loeb's papers by year, 2008 to 2024

Topics Dr. Loeb writes about most

  • MicroRNAs
  • Mice, Knockout
  • Gene Expression Regulation
  • Phenotype
  • Polymerase Chain Reaction
  • Suppressor of Cytokine Signaling 1 Protein
  • Suppressor of Cytokine Signaling Proteins
  • Transcriptome

Dr. Loeb's most frequent co-authors

Recent publications by Dr. Loeb

See all 10 publications and co-authors

See who Dr. Loeb researches with

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

How network discovery works

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

Dr. Gabriel Loeb graduated from Weill Cornell Medicine

Dr. Loeb graduated from Weill Cornell Medicine in 2015.

  1. Medical schoolWeill Cornell Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in nephrologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Gabriel Loeb accepts plans from 7 insurance carriers

Dr. Loeb is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • CMS Medicare
  • Molina

Plan types Dr. Loeb accepts, by number of carriers

  1. Medicare6
  2. PPO5
  3. POS3
  4. EPO2
  5. HMO2

Source: Dmand AI Insurance Network Data

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

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. Gabriel Loeb's NPI number?

Dr. Gabriel Loeb's NPI number is 1649651647. It was assigned on June 15, 2015, and it is active in the NPI Registry.

What kind of doctor is Dr. Gabriel Loeb?

Dr. Gabriel Loeb is a nephrologist in San Francisco, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Gabriel Loeb practice?

Dr. Loeb practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Loeb's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Dr. Loeb to 2 group practices and clinics and 2 medical groups.

What is Dr. Gabriel Loeb's office phone number?

The practice phone on file for Dr. Loeb is (415) 353-2733.

What is Dr. Gabriel Loeb's medical license number?

Dr. Loeb's California license number on file is A154997, one of the licenses on file in 2 states.

Which states has Dr. Gabriel Loeb been licensed in?

Dmand AI has state licenses on file for Dr. Loeb in California (2018 to 2025) and Massachusetts (2015 to 2018).

Which hospitals is Dr. Gabriel Loeb affiliated with?

Dr. Loeb practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California.

What medical group is Dr. Gabriel Loeb part of?

Dr. Loeb is linked to UCSF Pediatrics. Dmand AI links Dr. Loeb to 2 more medical groups.

Does Dr. Gabriel Loeb accept Medicare?

Yes. CMS data shows Dr. Loeb billed Medicare for 362 services in 2024, and Dr. Loeb accepts Medicare assignment.

Does Dr. Gabriel Loeb offer telehealth?

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

Show 10 more questionsShow fewer questions

What is Dr. Gabriel Loeb's MIPS score?

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

How many Medicare patients does Dr. Gabriel Loeb see?

CMS counts 97 Medicare patients who saw Dr. Loeb in 2024, with an average age of 71.

Is Dr. Gabriel Loeb board certified?

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

What services does Dr. Gabriel Loeb bill to Medicare?

In 2024, Dr. Loeb's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and dialysis (90935).

Where did Dr. Gabriel Loeb go to medical school?

Dr. Loeb graduated from Weill Cornell Medicine in 2015.

What drugs does Dr. Gabriel Loeb prescribe most?

In 2016 Medicare Part D data, Dr. Loeb's most prescribed drugs by claims were Furosemide and Novolin N.

How long has Dr. Gabriel Loeb been practicing?

Dr. Loeb graduated from medical school in 2015, 11 years ago.

Does Dr. Gabriel Loeb do research?

Dmand AI links 10 publications to Dr. Loeb, published from 2008 to 2024.

Who does Dr. Gabriel Loeb publish with?

Dr. Loeb's most frequent co-authors are Richard Alan Lafayette, MD (1 shared paper) and Joseph Chihping Liao, MD (1 shared paper).

What insurance does Dr. Gabriel Loeb accept?

Dr. Loeb is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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