Adrenal Hyperplasia, CongenitalAdrenogenital SyndromeAbiraterone acetate
Dr. Mitchell Eugene Geffner, MD
NPI1043302391PAC ID7911032065
- Part D claims, 2024
- 11
- Publications
- 7
- Clinical trials
- 4
- Hospital affiliations
- 1
- Industry payments
- $246,300
- Practice address
- 4650 Sunset Blvd, MS 108, Los Angeles, CA 90027
- Practice phone
- Call (323) 669-2164
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Geffner's professional email, personal email and mobile number
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Dr. Mitchell Eugene Geffner is a pediatric endocrinology physician in Los Angeles, California
Dr. Geffner practices at Children's Hospital Los Angeles in Los Angeles, California, part of Children's Hospital Los Angeles.
Dr. Geffner's NPI, 1043302391, was assigned on September 28, 2006. Dr. Geffner graduated from Albert Einstein College of Medicine in 1975. Dr. Geffner's California license number on file is G32337.
NPI and contact details
- NPI
- 1043302391NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911032065
- NPI enumeration date
- September 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (323) 669-2164
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 77
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mitchell Eugene Geffner practices at Children's Hospital Los Angeles in Los Angeles, California
Dr. Geffner's primary practice is Children's Hospital Los Angeles, at 4650 Sunset Blvd, MS 108, Los Angeles, CA 90027 in Los Angeles County. The practice phone is (323) 669-2164.
- Children's Hospital Los Angeles4650 Sunset Blvd, MS 108, Los Angeles, CA 90027 · Los Angeles CountyPhone(323) 669-2164
Source: Dmand AI Affiliation Data
Dr. Mitchell Eugene Geffner is affiliated with 1 site of care and 2 medical groups
Dr. Geffner's primary practice is Children's Hospital Los Angeles in Los Angeles, California, part of Children's Hospital Los Angeles. The medical group on file is USC Care Medical Group. Dmand AI also links Dr. Geffner to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mitchell Eugene Geffner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Geffner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Children's Hospital Los Angeles | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mitchell Eugene Geffner is one of 198 pediatric endocrinology physicians in California
Pediatric endocrinology is Dr. Geffner's primary specialty in the NPI Registry, under taxonomy code 2080P0205X. Dr. Geffner is board certified in pediatric endocrinology by the American Board of Pediatrics. Dr. Geffner has a license on file in California.
Specialties and state licenses
- Pediatric endocrinology, CaliforniaPrimary
Pediatric endocrinology physicians near Dr. Geffner
Counts of pediatric endocrinology physicians with a Dmand AI profile, by place and practice. Each opens the list.
198pediatric endocrinology physicians in California25pediatric endocrinology physicians in Los Angeles12pediatric endocrinology physicians at Children's Hospital Los Angeles
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mitchell Eugene Geffner's patients have a median age of 14
Across all payers, Dmand AI patient panel data puts Dr. Geffner's median patient age at 14, with 43% women.
Dr. Geffner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 14
Patient panel by sex, all payers
- Women43%
- Men56%
Source: Dmand AI Patient Panel Data
Dr. Mitchell Eugene Geffner wrote 11 Medicare Part D claims in 2024
In 2024, Dr. Geffner wrote 11 Medicare Part D claims.
Part D claims, 202411
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Mitchell Eugene Geffner takes part in Medicare
Dr. Geffner accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Dr. Mitchell Eugene Geffner has 7 publications on record
Dmand AI links 7 papers to Dr. Geffner, published from 2010 to 2019. Dr. Geffner's most frequent co-authors are Kenneth C. Copeland, MD, Lynne L. Levitsky, MD and Mauri Carakushansky, MD.
Papers7
Years published2010 to 2019
Dr. Geffner's papers by year, 2010 to 2019
Dr. Geffner's most frequent co-authors
- Kenneth C. Copeland, MD2 shared papers
- Lynne L. Levitsky, MD2 shared papers
- Mauri Carakushansky, MD1 shared paper
Recent publications by Dr. Geffner
See who Dr. Geffner researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Geffner works with, so you can find a warm path to the right pediatric endocrinology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mitchell Eugene Geffner has worked on 4 clinical trials
Dmand AI links Dr. Geffner to 4 clinical trials. Conditions studied include Adrenal Hyperplasia, Congenital, Congenital Cranial Dysinnervation Disorders and Diabetes Mellitus, Type 2. Open Payments lists research payments to Dr. Geffner that name 1 trial.
Clinical trials with Dr. Geffner by phase
- 1Phase 1: 1 trial
- NonePhase 2: no trials
- NonePhase 3: no trials
- 1Phase 4: 1 trial
Conditions in Dr. Geffner's trials
- Adrenal Hyperplasia, Congenital
- Congenital Cranial Dysinnervation Disorders
- Diabetes Mellitus, Type 2
- Puberty, Precocious
- Adrenogenital Syndrome
Investigators on the most trials with Dr. Geffner
- Mark S. Borchert, MD1 shared trial
- Sonia K. Caprio, MD1 shared trial
- Kenneth C. Copeland, MD1 shared trial
Recent clinical trials with Dr. Geffner
Diabetes Mellitus, Type 2Diabetes Mellitus
Endocrine Dysfunction and Growth Hormone Deficiency in Children With Optic Nerve Hypoplasia (opens in a new tab)
CompletedPhase 4
Congenital Cranial Dysinnervation DisordersOculomotor Nerve DiseasesNutropin AQ
$838 in research paymentsPuberty, PrecociousGonadal DisordersLeuprolide Acetate 45 mg
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Mitchell Eugene Geffner received $246,300 in industry payments from 2016 to 2025
CMS Open Payments shows 281 general payments to Dr. Geffner from 18 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 59% of the total. Novo Nordisk Inc paid the most, $86,892. It also lists 18 research payments totaling $9,088 from 2016 to 2024, naming 1 clinical trial.
General payments to Dr. Geffner by program year, 2016 to 2025
General payments to Dr. Geffner by kind, 2016 to 2025
$246.3Kin total
- Consulting fees$145,47059%
- Travel and lodging$57,73623%
- Honoraria$19,7008%
- Food and beverage$18,8588%
- Other$4,5352%
Companies that paid Dr. Geffner the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mitchell Eugene Geffner has 5 awards and honors on record
Dmand AI lists 5 awards for Dr. Geffner, most recently America's Top Doctors in 2014.
Awards and honors for Dr. Geffner
- 2014
- America's Top Doctors
- 2013
- Top Doctors:LA Area
- 2012
- Top Doctors:Southern California
- Undated
- Checkbook Top Doc
- Super Doc
Source: Dmand AI Professional Profile Data
Dr. Mitchell Eugene Geffner graduated from Albert Einstein College of Medicine
Dr. Geffner graduated from Albert Einstein College of Medicine in 1975. Dr. Geffner is a member of ENDO.
- Medical school
- Board certified in pediatric endocrinology
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Mitchell Eugene Geffner accepts plans from 9 insurance carriers
Dr. Geffner is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- LA Care
- Molina
- Regence Health Plans
- +1 more carriersWith a free account
Plan types Dr. Geffner accepts, by number of carriers
- Medicare7
- HMO5
- PPO5
- POS3
- Medicaid2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Mitchell Eugene Geffner's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mitchell Eugene Geffner
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. Mitchell Eugene Geffner's NPI number?
Dr. Mitchell Eugene Geffner's NPI number is 1043302391. It was assigned on September 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mitchell Eugene Geffner?
Dr. Mitchell Eugene Geffner is a pediatric endocrinology physician in Los Angeles, California. The primary specialty in the NPI Registry is Pediatric Endocrinology Physician (taxonomy code 2080P0205X).
Where does Dr. Mitchell Eugene Geffner practice?
Dr. Geffner practices at 4650 Sunset Blvd, MS 108, Los Angeles, CA 90027. Dr. Geffner's primary practice is Children's Hospital Los Angeles in Los Angeles, California, part of Children's Hospital Los Angeles. Dmand AI also links Dr. Geffner to 1 medical group.
What is Dr. Mitchell Eugene Geffner's office phone number?
The practice phone on file for Dr. Geffner is (323) 669-2164.
What is Dr. Mitchell Eugene Geffner's medical license number?
Dr. Geffner's California license number on file is G32337.
Which hospitals is Dr. Mitchell Eugene Geffner affiliated with?
Dr. Geffner practices at Children's Hospital Los Angeles in Los Angeles, California.
What medical group is Dr. Mitchell Eugene Geffner part of?
Dr. Geffner is linked to USC Care Medical Group. Dmand AI links Dr. Geffner to 1 more medical group.
Does Dr. Mitchell Eugene Geffner accept Medicare?
Yes. CMS lists Dr. Geffner as accepting Medicare assignment.
Is Dr. Mitchell Eugene Geffner board certified?
Yes. Dr. Geffner is board certified in pediatric endocrinology by the American Board of Pediatrics.
Where did Dr. Mitchell Eugene Geffner go to medical school?
Dr. Geffner graduated from Albert Einstein College of Medicine in 1975.
Show 5 more questionsShow fewer questions
Has Dr. Mitchell Eugene Geffner received payments from drug or device companies?
CMS Open Payments shows $246,300 in general payments to Dr. Geffner from 18 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Mitchell Eugene Geffner been practicing?
Dr. Geffner graduated from medical school in 1975, 51 years ago.
Does Dr. Mitchell Eugene Geffner do research?
Dmand AI links 7 publications to Dr. Geffner, published from 2010 to 2019. Dr. Geffner has worked on 4 clinical trials.
Who does Dr. Mitchell Eugene Geffner publish with?
Dr. Geffner's most frequent co-authors are Kenneth C. Copeland, MD (2 shared papers), Lynne L. Levitsky, MD (2 shared papers) and Mauri Carakushansky, MD (1 shared paper).
What insurance does Dr. Mitchell Eugene Geffner accept?
Dr. Geffner is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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