Neurosurg Clin N Am
Cerebral AngiographyCerebral HemorrhageIntracranial Aneurysm
Dr. Robert Leon Masson, MD
NPI1720030273
- Medicare services, 2023
- 46
- Part D claims, 2024
- 30
- Publications
- 4
- Industry payments
- $162,726
- Affiliated sites
- 2
- Practice address
- 2712 Rew Cir, Ocoee, FL 34761
- Practice phone
- Call (407) 347-8958
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Global Microsurgical Center
Surgery Center - Medicare-Certified · Ocoee, Florida
Find Dr. Masson's professional email, personal email and mobile number
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Dr. Robert Leon Masson is a neurosurgeon in Ocoee, Florida
Dr. Masson practices at Global Microsurgical Center in Ocoee, Florida.
Dr. Masson's NPI, 1720030273, was assigned on May 16, 2006. Dr. Masson graduated from University Of Florida College Of Medicine in 1988. Dr. Masson holds Florida license ME0063598.
NPI and contact details
- NPI
- 1720030273NPI Registry (opens in a new tab)
- NPI enumeration date
- May 16, 2006
- NPI status
- Active
- Practice phone
- (407) 347-8958
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Robert Leon Masson practices at Global Microsurgical Center in Ocoee, Florida
Dr. Masson's primary practice is Global Microsurgical Center, at 2712 Rew Cir, Ocoee, FL 34761. The practice phone is (407) 347-8958.
- Global Microsurgical Center2712 Rew Cir, Ocoee, FL 34761Phone(407) 347-8958
Source: Dmand AI Affiliation Data
Dr. Robert Leon Masson is affiliated with 2 sites of care and 1 medical group
Dr. Masson's primary practice is Global Microsurgical Center in Ocoee, Florida. The medical group on file is Masson Spine Institute. Dmand AI also links Dr. Masson to 1 more group practice or clinic, named with a free account.
Global Microsurgical CenterPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert Leon Masson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Masson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Global Microsurgical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Leon Masson is one of 577 neurosurgeons in Florida
Neurological surgery is Dr. Masson's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Masson is board certified in neurological surgery by the American Board of Neurological Surgery. Dmand AI has Dr. Masson's licenses on file in 3 states: Florida, Utah and New York.
Specialties and state licenses
- Neurological surgery, FloridaPrimary
- Utah license
- New York license
Clinical focus
Dmand AI lists back and neck pain treatment without fusion, lower back pain, neck pain and spine problems and spinal fusion among the conditions Dr. Masson treats.
Neurosurgeons near Dr. Masson
Counts of neurosurgeons with a Dmand AI profile, by place and practice. Each opens the list.
577neurosurgeons in Florida
2neurosurgeons in Ocoee
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert Leon Masson billed Medicare for 46 services in 2023
CMS data shows 46 Medicare services from Dr. Masson across 2 procedure codes in 2023. Medicare paid $14,367 for them.
Medicare services, 202346
Paid by Medicare$14,367
Procedure codes2
Dr. Masson's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 362023: 3211%
- Surgery
- 2022: 302023: 1453%
Where Dr. Masson's Medicare services took place, 2023
- In an office3270%
- In a facility1430%
Dr. Masson compared with the Florida median for neurosurgeons, 2023
- Dr. Masson
- Florida median
- Medicare services
- 46vs 22980% below
- Part D claims
- 76vs 352.2 times
Medians across 503 neurosurgeons in Florida with Dmand AI profiles that report each measure.
Dr. Masson's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Masson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Masson and other neurosurgeons in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Leon Masson's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Masson's median patient age at 61, with 48% women.
Dr. Masson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women48%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. Robert Leon Masson wrote 30 Medicare Part D claims in 2024
In 2024, Dr. Masson wrote 30 Medicare Part D claims for 18 patients. 100% of them were for generic drugs. They cover 3 drugs, with $639 in total drug cost. In 2022, CMS named 85 claims across 3 drugs.
Part D claims, 202430
Drugs named by CMS3
Total drug cost$639
Part D patients18
Dr. Masson'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.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 852023: 7611%
Drugs named by CMS: 3 in 2023, 3 in 2022.
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
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Dr. Robert Leon Masson has 4 publications on record
Dmand AI links 4 papers to Dr. Masson. The most frequent topics are Spinal Cord. Dr. Masson has published most often in J Comp Neurol. Dr. Masson's most frequent co-authors are Arthur L. Day, MD and Ian Gordon Dorward, MD.
Papers4
Topics Dr. Masson writes about most
- Spinal Cord
Dr. Masson's most frequent co-authors
Recent publications by Dr. Masson
Cerebral CortexDiencephalonFluorescent Dyes
Afferent PathwaysAxonsCats
Oper Neurosurg (Hagerstown)
See who Dr. Masson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Masson works with, so you can find a warm path to the right neurosurgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert Leon Masson received $162,726 in industry payments from 2016 to 2024
CMS Open Payments shows 96 general payments to Dr. Masson from 13 drug and device companies from 2016 to 2024. Royalties and licenses make up the largest share, 81% of the total. DePuy Synthes Sales Inc. paid the most, $148,550.
General payments to Dr. Masson by program year, 2016 to 2024
General payments to Dr. Masson by kind, 2016 to 2024
$162.7Kin total
- Royalties and licenses$131,93881%
- Speaker and faculty fees$21,34613%
- Food and beverage$4,4363%
- Debt forgiveness$3,3202%
- Other$1,6851%
Companies that paid Dr. Masson the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Leon Masson has 8 awards and honors on record
Dmand AI lists 8 awards for Dr. Masson, most recently Premiere Doctor/Top Doctor Neurosurgery in 2023.
Awards and honors for Dr. Masson
- 2023
- Premiere Doctor/Top Doctor Neurosurgery
- 2021
- Top Doctor Award
- 2020
- Top Docto
- 2018
- Top Doctor
- 2014
- Fellow, American College of Surgeons
- Regional Top Doctor
Source: Dmand AI Professional Profile Data
Dr. Robert Leon Masson graduated from University Of Florida College Of Medicine
Dr. Masson graduated from University Of Florida College Of Medicine in 1988. Dr. Masson is a member of AANS.
- Medical school
- Board certified in neurological surgery
Source: Dmand AI Professional Profile Data
Dr. Robert Leon Masson accepts plans from 6 insurance carriers
Dr. Masson is in network with 6 carriers, including Aetna, Excellus BlueCross BlueShield and Elevance. HMO plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Aetna
- Excellus BlueCross BlueShield
- Elevance
- United Healthcare
- Alliant Health Plans
- Cigna
Plan types Dr. Masson accepts, by number of carriers
- HMO5
- PPO4
- EPO3
- POS3
- Medicare2
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert Leon Masson'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Robert Leon Masson
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. Robert Leon Masson's NPI number?
Dr. Robert Leon Masson's NPI number is 1720030273. It was assigned on May 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Leon Masson?
Dr. Robert Leon Masson is a neurosurgeon in Ocoee, Florida. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Robert Leon Masson practice?
Dr. Masson practices at 2712 Rew Cir, Ocoee, FL 34761. Dr. Masson's primary practice is Global Microsurgical Center in Ocoee, Florida. Dmand AI also links Dr. Masson to 1 group practice or clinic.
What is Dr. Robert Leon Masson's office phone number?
The practice phone on file for Dr. Masson is (407) 347-8958.
What is Dr. Robert Leon Masson's medical license number?
Dr. Masson holds Florida license ME0063598, one of the licenses on file in 3 states.
Which states has Dr. Robert Leon Masson been licensed in?
Dmand AI has state licenses on file for Dr. Masson in Florida (1993 to 2026), Utah (2011 to 2026) and New York (2020 to 2023).
What medical group is Dr. Robert Leon Masson part of?
Dr. Masson is linked to Masson Spine Institute.
Does Dr. Robert Leon Masson accept Medicare?
Yes. CMS data shows Dr. Masson billed Medicare for 46 services in 2023.
Is Dr. Robert Leon Masson board certified?
Yes. Dr. Masson is board certified in neurological surgery by the American Board of Neurological Surgery.
What services does Dr. Robert Leon Masson bill to Medicare?
In 2023, Dr. Masson's most billed Medicare services were office visit, established patient (99213) and surgery: brain, spine and nerves (63047).
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Where did Dr. Robert Leon Masson go to medical school?
Dr. Masson graduated from University Of Florida College Of Medicine in 1988.
What drugs does Dr. Robert Leon Masson prescribe most?
In 2023 Medicare Part D data, Dr. Masson's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Ondansetron ODT and Methylprednisolone.
Has Dr. Robert Leon Masson received payments from drug or device companies?
CMS Open Payments shows $162,726 in general payments to Dr. Masson from 13 companies from 2016 to 2024. The largest total came from DePuy Synthes Sales Inc.
How long has Dr. Robert Leon Masson been practicing?
Dr. Masson graduated from medical school in 1988, 38 years ago.
Does Dr. Robert Leon Masson do research?
Dmand AI links 4 publications to Dr. Masson.
Who does Dr. Robert Leon Masson publish with?
Dr. Masson's most frequent co-authors are Arthur L. Day, MD (1 shared paper) and Ian Gordon Dorward, MD (1 shared paper).
What insurance does Dr. Robert Leon Masson accept?
Dr. Masson is in network with 6 carriers, including Aetna, Excellus BlueCross BlueShield and Elevance. HMO plans come from the most carriers, 5. Check the plan with the practice before a visit.
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