EndocrinologistsGender DysphoriaGender Identity
Dr. Ian Marshall, MD
NPI1396760450PAC ID7315927175
- Part D claims, 2024
- 12
- Publications
- 22
- Clinical trials
- 1
- MIPS score, 2024
- 88
- Industry payments
- $50,139
- Practice address
- 1771 Madison Avenue Route 9, Lakewood, NJ 08701
- Practice phone
- Call (732) 364-2144
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
CHEMED Health Center - Lakewood (Madison Ave Rte)
FQHC - Main Site · Lakewood, New Jersey
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Dr. Ian Marshall is a pediatric endocrinology physician in Lakewood, New Jersey
Dr. Marshall practices at CHEMED Health Center - Lakewood (Madison Ave Rte) in Lakewood, New Jersey.
Dr. Marshall's NPI, 1396760450, was assigned on July 12, 2006. Dr. Marshall holds New Jersey license 25MA07638500.
NPI and contact details
- NPI
- 1396760450NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315927175
- NPI enumeration date
- July 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (732) 364-2144
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ian Marshall practices at CHEMED Health Center - Lakewood (Madison Ave Rte) in Lakewood, New Jersey
Dr. Marshall's primary practice is CHEMED Health Center - Lakewood (Madison Ave Rte), at 1771 Madison Avenue Route 9, Lakewood, NJ 08701 in Ocean County. The practice phone is (732) 364-2144.
- CHEMED Health Center - Lakewood (Madison Ave Rte)1771 Madison Avenue Route 9, Lakewood, NJ 08701 · Ocean CountyPhone(732) 364-2144
Source: Dmand AI Affiliation Data
Dr. Ian Marshall is affiliated with 4 sites of care and 2 medical groups
Dr. Marshall's primary practice is CHEMED Health Center - Lakewood (Madison Ave Rte) in Lakewood, New Jersey. The medical group on file is CHEMED Health. Dmand AI also links Dr. Marshall to 2 more group practices and clinics, 1 school health center and 1 medical group, each named with a free account. Dr. Marshall's employer is on file too: a community health center (fqhc).
CHEMED Health Center - Lakewood (Madison Ave Rte)Primary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ian Marshall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marshall practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CHEMED Health Center - Lakewood (Madison Ave Rte) | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ian Marshall is one of 74 pediatric endocrinology physicians in New Jersey
Pediatric endocrinology is Dr. Marshall's primary specialty in the NPI Registry, under taxonomy code 2080P0205X. Dr. Marshall is licensed in New Jersey.
Specialties and state licenses
- Pediatric endocrinology, New JerseyPrimary
Pediatric endocrinology physicians near Dr. Marshall
Counts of pediatric endocrinology 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
Dr. Ian Marshall's patients have a median age of 13
Across all payers, Dmand AI patient panel data puts Dr. Marshall's median patient age at 13, with 40% women.
Dr. Marshall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 13
Patient panel by sex, all payers
- Women40%
- Men58%
Source: Dmand AI Patient Panel Data
Dr. Ian Marshall wrote 12 Medicare Part D claims in 2024
In 2024, Dr. Marshall wrote 12 Medicare Part D claims. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $4,785 in total drug cost.
Part D claims, 202412
Drugs named by CMS1
Total drug cost$4,785
Dr. Marshall's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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. Ian Marshall scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Marshall for performance year 2024, reported as part of a group. Dr. Marshall accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Marshall's MIPS scores, performance year 2024
- 88of 100Final score
- 70.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
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
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Dr. Ian Marshall has 22 publications on record
Dmand AI links 22 papers to Dr. Marshall, published from 2011 to 2023. 2016 was the busiest year, with 3. The most frequent topics are Fibrous Dysplasia, Polyostotic, Gender Identity and Hormones. Dr. Marshall has published most often in Ann N Y Acad Sci. Dr. Marshall's most frequent co-authors are Ahmed Khattab, MD, Rajeev Mehta, MD and Rajeev Mehta, MD.
Papers22
Years published2011 to 2023
Dr. Marshall's papers by year, 2012 to 2023
Topics Dr. Marshall writes about most
- Fibrous Dysplasia, Polyostotic
- Gender Identity
- Hormones
- Puberty, Precocious
- Transgender Persons
- Vitamin D
- Vitamin D Deficiency
Dr. Marshall's most frequent co-authors
Recent publications by Dr. Marshall
J Pediatr Endocrinol Metab
Puberty, PrecociousTestosterone
Asymptomatic DiseasesEuthyroid Sick SyndromesHepatitis
See who Dr. Marshall researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marshall 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. Ian Marshall has worked on 1 clinical trial
Dmand AI links Dr. Marshall to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Hypoparathyroidism and Parathyroid Diseases.
Conditions in Dr. Marshall's trials
- Hypoparathyroidism
- Parathyroid Diseases
Investigators on the most trials with Dr. Marshall
Recent clinical trials with Dr. Marshall
A Registry for Participants With Chronic Hypoparathyroidism (opens in a new tab)
Active, not recruiting
HypoparathyroidismParathyroid Diseases
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Ian Marshall received $50,139 in industry payments from 2016 to 2025
CMS Open Payments shows 55 general payments to Dr. Marshall from 17 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 81% of the total. Neurocrine BioSciences, Inc. paid the most, $43,197.
General payments to Dr. Marshall by program year, 2016 to 2025
General payments to Dr. Marshall by kind, 2016 to 2025
$50.1Kin total
- Consulting fees$40,60081%
- Honoraria$4,7309%
- Food and beverage$2,4155%
- Travel and lodging$1,8054%
- Other$5681%
Companies that paid Dr. Marshall the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ian Marshall'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 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 percentiles | Doctors 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-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) |
| 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. Ian Marshall
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. Ian Marshall's NPI number?
Dr. Ian Marshall's NPI number is 1396760450. It was assigned on July 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ian Marshall?
Dr. Ian Marshall is a pediatric endocrinology physician in Lakewood, New Jersey. The primary specialty in the NPI Registry is Pediatric Endocrinology Physician (taxonomy code 2080P0205X).
Where does Dr. Ian Marshall practice?
Dr. Marshall practices at 1771 Madison Avenue Route 9, Lakewood, NJ 08701. Dr. Marshall's primary practice is CHEMED Health Center - Lakewood (Madison Ave Rte) in Lakewood, New Jersey. Dmand AI also links Dr. Marshall to 2 group practices and clinics, 1 school health center and 1 medical group.
What is Dr. Ian Marshall's office phone number?
The practice phone on file for Dr. Marshall is (732) 364-2144.
What is Dr. Ian Marshall's medical license number?
Dr. Marshall holds New Jersey license 25MA07638500.
What medical group is Dr. Ian Marshall part of?
Dr. Marshall is linked to CHEMED Health. Dmand AI links Dr. Marshall to 1 more medical group.
Does Dr. Ian Marshall accept Medicare?
Yes. CMS lists Dr. Marshall as accepting Medicare assignment.
What is Dr. Ian Marshall's MIPS score?
Dr. Marshall's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
What drugs does Dr. Ian Marshall prescribe most?
In 2023 Medicare Part D data, Dr. Marshall's most prescribed drugs by claims were Myrbetriq.
Has Dr. Ian Marshall received payments from drug or device companies?
CMS Open Payments shows $50,139 in general payments to Dr. Marshall from 17 companies from 2016 to 2025. The largest total came from Neurocrine BioSciences, Inc.
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How long has Dr. Ian Marshall been practicing?
Dr. Marshall graduated from medical school in 1991, 35 years ago.
Does Dr. Ian Marshall do research?
Dmand AI links 22 publications to Dr. Marshall, published from 2011 to 2023. Dr. Marshall has worked on 1 clinical trial.
Who does Dr. Ian Marshall publish with?
Dr. Marshall's most frequent co-authors are Ahmed Khattab, MD (3 shared papers), Rajeev Mehta, MD (2 shared papers) and Rajeev Mehta, MD (2 shared papers).
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