Clin Spine Surg
Dr. Mark L. Prasarn, MD
- Medicare services, 2024
- 634
- Medicare patients, 2024
- 361
- Part D claims, 2024
- 624
- Publications
- 80
- Clinical trials
- 1
- Practice address
- 6565 Fannin, Houston, TX 77030
- Practice phone
- Call (713) 790-2221
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Prasarn's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mark L. Prasarn is an orthopedic surgeon in Houston, Texas
Dr. Prasarn practices at Houston Methodist Hospital in Houston, Texas, part of Houston Methodist.
Dr. Prasarn's NPI, 1750583910, was assigned on June 1, 2007. Dr. Prasarn graduated from New York University School of Medicine in 2003. Dr. Prasarn's Texas license number on file is P1389.
- NPI
- 1750583910NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224181292
- NPI enumeration date
- June 1, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (713) 790-2221
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark L. Prasarn practices at Houston Methodist Hospital in Houston, Texas
Dr. Prasarn's primary practice is Houston Methodist Hospital, at 6565 Fannin, Houston, TX 77030 in Harris County. The practice phone is (713) 790-2221.
- Houston Methodist Hospital6565 Fannin, Houston, TX 77030 · Harris CountyPhone(713) 790-2221
Source: Dmand AI Affiliation Data
Dr. Mark L. Prasarn is affiliated with 9 sites of care and 2 medical groups
Dr. Prasarn's primary practice is Houston Methodist Hospital in Houston, Texas, part of Houston Methodist. Dr. Prasarn is also affiliated with Memorial Hermann-Texas Medical Center. The medical group on file is Houston Methodist Specialty Physician Group. Dmand AI also links Dr. Prasarn to 3 more hospitals, 2 group practices and clinics, 1 home health agency, 1 skilled nursing facility and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark L. Prasarn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Prasarn practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Houston Methodist Hospital | Available with a free account |
| +8 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Houston Methodist and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mark L. Prasarn is one of 1,394 orthopedic surgeons in Texas
Orthopaedic surgery is Dr. Prasarn's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Prasarn is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Prasarn's licenses on file in 3 states: Texas, Florida and New York.
Specialties and state licenses
- Orthopaedic surgery, TexasPrimary
- Florida license
- New York license
Clinical focus
Dmand AI lists back and neck pain treatment without fusion, joint cyst, lower back pain, neck pain and spine problems, spinal fusion and thoracic spine disorders among the conditions Dr. Prasarn treats.
Orthopedic surgeons near Dr. Prasarn
Counts of orthopedic surgeons 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. Mark L. Prasarn billed Medicare for 634 services in 2024
CMS data shows 634 Medicare services from Dr. Prasarn across 9 procedure codes in 2024, for 361 Medicare patients. Medicare paid $65,244 for them.
Dr. Prasarn's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1432024: 373161%
- Imaging
- 2023: 1742024: 21322%
- Surgery
- 2023: 172024: 48182%
Where Dr. Prasarn's Medicare services took place, 2024
- In an office58692%
- In a facility488%
Dr. Prasarn compared with the Texas median for orthopedic surgeons, 2024
- Dr. Prasarn
- Texas median
- Medicare services
- 634vs 1,06240% below
- Medicare patients
- 361vs 24349% above
- Part D claims
- 587vs 2192.7 times
Medians across 1,283 orthopedic surgeons in Texas with Dmand AI profiles that report each measure.
Dr. Prasarn'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.
Need commercial claims for Dr. Prasarn?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Prasarn and other orthopedic surgeons in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark L. Prasarn treated 361 Medicare patients in 2024, average age 75
CMS counts 361 Medicare patients who saw Dr. Prasarn in 2024. The largest group is 65 to 74, with 172 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Prasarn's median patient age at 70, with 50% women.
Dr. Prasarn's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Prasarn's Medicare patients by sex, 2024
- Women19053%
- Men17147%
Chronic conditions among Dr. Prasarn's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease45%
- Diabetes29%
- Anxiety27%
- Chronic kidney disease26%
- Osteoporosis24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Prasarn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women50%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark L. Prasarn wrote 624 Medicare Part D claims in 2024
In 2024, Dr. Prasarn wrote 624 Medicare Part D claims for 259 patients. 98% of them were for generic drugs. CMS names the drug for 587 of them, across 8 drugs with 11 or more claims each, at $5,184 in total drug cost. In 2023, CMS named 379 claims across 7 drugs.
Dr. Prasarn's Part D claims by kind of drug, 2024
- Generic614 claims98%
- Brand-name and other10 claims2%
Dr. Prasarn'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. Prasarn's Part D claims, 2024
- Opioids19%121 of 624 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: 3792024: 58755%
Drugs named by CMS: 8 in 2024, 7 in 2023.
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. Mark L. Prasarn ranks in the 88th percentile for spinal fusion in Medicare
Dr. Prasarn accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 181 procedures of spinal fusion by Dr. Prasarn, more than 88% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Prasarn ranks in Medicare procedure volume
- Spinal fusion
- 88th percentile181 procedures
- Laminectomy or laminotomy (partial removal of spine bones)
- 78th percentile51 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Mark L. Prasarn has 80 publications on record
Dmand AI links 80 papers to Dr. Prasarn, published from 2009 to 2024. 2012 was the busiest year, with 8. The most frequent topics are Cadaver, Cervical Vertebrae and Biomechanical Phenomena. Dr. Prasarn has published most often in Injury. Dr. Prasarn's most frequent co-authors are Glenn R. Rechtine, MD, Timothy Stuart Achor, MD and John M. Small, MD.
Dr. Prasarn's papers by year, 2012 to 2024
Topics Dr. Prasarn writes about most
- Cadaver
- Cervical Vertebrae
- Biomechanical Phenomena
- Joint Instability
- Range of Motion, Articular
- Radiography
- Spinal Injuries
- Fractures, Bone
Dr. Prasarn's most frequent co-authors
- Glenn R. Rechtine, MD26 shared papers
- Timothy Stuart Achor, MD8 shared papers
- John M. Small, MD5 shared papers
Recent publications by Dr. Prasarn
Is elevated body mass index protective against cervical spine injury in adults? (opens in a new tab)
Emerg Radiol
See who Dr. Prasarn researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Prasarn works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark L. Prasarn has worked on 1 clinical trial
Dmand AI links Dr. Prasarn to 1 clinical trial. Conditions studied include Osteomyelitis and Bone Diseases, Infectious.
Conditions in Dr. Prasarn's trials
- Osteomyelitis
- Bone Diseases, Infectious
Investigators on the most trials with Dr. Prasarn
- Timothy Stuart Achor, MD1 shared trial
- Joaquin A. Castaneda, MD1 shared trial
- Janet D. Conway, MD1 shared trial
Recent clinical trials with Dr. Prasarn
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Mark L. Prasarn received $312,242 in industry payments from 2016 to 2025
CMS Open Payments shows 525 general payments to Dr. Prasarn from 38 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 48% of the total. Stryker Corporation paid the most, $99,590.
General payments to Dr. Prasarn by program year, 2016 to 2025
General payments to Dr. Prasarn by kind, 2016 to 2025
- Consulting fees$148,30548%
- Speaker and faculty fees$93,13830%
- Travel and lodging$39,68713%
- Food and beverage$21,8717%
- Other$9,2003%
Companies that paid Dr. Prasarn 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. Mark L. Prasarn graduated from New York University School of Medicine
Dr. Prasarn graduated from New York University School of Medicine in 2003.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Mark L. Prasarn accepts plans from 17 insurance carriers
Dr. Prasarn is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Cigna
- Elevance
- Humana
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- +9 more carriersWith a free account
Plan types Dr. Prasarn accepts, by number of carriers
- PPO12
- HMO9
- Medicare8
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark L. Prasarn'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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)Doctors and Clinicians Utilization Data (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) |
| 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. Mark L. Prasarn
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. Mark L. Prasarn's NPI number?
Dr. Mark L. Prasarn's NPI number is 1750583910. It was assigned on June 1, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark L. Prasarn?
Dr. Mark L. Prasarn is an orthopedic surgeon in Houston, Texas. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Mark L. Prasarn practice?
Dr. Prasarn practices at 6565 Fannin, Houston, TX 77030. Dr. Prasarn's primary practice is Houston Methodist Hospital in Houston, Texas, part of Houston Methodist. Dmand AI also links Dr. Prasarn to 3 hospitals, 2 group practices and clinics, 1 home health agency, 1 skilled nursing facility and 1 medical group.
What is Dr. Mark L. Prasarn's office phone number?
The practice phone on file for Dr. Prasarn is (713) 790-2221.
What is Dr. Mark L. Prasarn's medical license number?
Dr. Prasarn's Texas license number on file is P1389, one of the licenses on file in 3 states.
Which states has Dr. Mark L. Prasarn been licensed in?
Dmand AI has state licenses on file for Dr. Prasarn in Texas (2011 to 2025), Florida (2023 to 2025) and New York (2008 to 2013).
Which hospitals is Dr. Mark L. Prasarn affiliated with?
Dr. Prasarn practices at Houston Methodist Hospital in Houston, Texas. Dr. Prasarn is also affiliated with Memorial Hermann-Texas Medical Center. Dmand AI links Dr. Prasarn to 3 more hospitals.
What medical group is Dr. Mark L. Prasarn part of?
Dr. Prasarn is linked to Houston Methodist Specialty Physician Group. Dmand AI links Dr. Prasarn to 1 more medical group.
Does Dr. Mark L. Prasarn accept Medicare?
Yes. CMS data shows Dr. Prasarn billed Medicare for 634 services in 2024, and Dr. Prasarn accepts Medicare assignment.
How many Medicare patients does Dr. Mark L. Prasarn see?
CMS counts 361 Medicare patients who saw Dr. Prasarn in 2024, with an average age of 75.
Show 9 more questionsShow fewer questions
Is Dr. Mark L. Prasarn board certified?
Yes. Dr. Prasarn is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
What services does Dr. Mark L. Prasarn bill to Medicare?
In 2024, Dr. Prasarn's most billed Medicare services were office visit, established patient (99214), diagnostic imaging (72100) and office visit, established patient (99213).
Where did Dr. Mark L. Prasarn go to medical school?
Dr. Prasarn graduated from New York University School of Medicine in 2003.
What drugs does Dr. Mark L. Prasarn prescribe most?
In 2024 Medicare Part D data, Dr. Prasarn's most prescribed drugs by claims were Gabapentin, Meloxicam and Hydrocodone-Acetaminophen.
Has Dr. Mark L. Prasarn received payments from drug or device companies?
CMS Open Payments shows $312,242 in general payments to Dr. Prasarn from 38 companies from 2016 to 2025. The largest total came from Stryker Corporation.
How long has Dr. Mark L. Prasarn been practicing?
Dr. Prasarn graduated from medical school in 2003, 23 years ago.
Does Dr. Mark L. Prasarn do research?
Dmand AI links 80 publications to Dr. Prasarn, published from 2009 to 2024. Dr. Prasarn has worked on 1 clinical trial.
Who does Dr. Mark L. Prasarn publish with?
Dr. Prasarn's most frequent co-authors are Glenn R. Rechtine, MD (26 shared papers), Timothy Stuart Achor, MD (8 shared papers) and John M. Small, MD (5 shared papers).
What insurance does Dr. Mark L. Prasarn accept?
Dr. Prasarn is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
Selling to orthopaedic surgery practices?
See orthopedic surgeons in Texas by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card