Int Forum Allergy Rhinol
Papilloma, InvertedParanasal SinusesParanasal Sinus Neoplasms
Dr. Mark S. Schneyer, MD
NPI1952523128PAC ID4385812973
- Medicare services, 2024
- 2,936
- Medicare patients, 2024
- 929
- Part D claims, 2024
- 765
- Publications
- 2
- Hospital affiliations
- 2
- Practice address
- 6701 Democracy Blvd, Bethesda, MD 20817
- Practice phone
- Call (410) 821-5151
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Centers for Advanced ENT Care
Bethesda, Maryland
Find Dr. Schneyer's professional email, personal email and mobile number
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Dr. Mark S. Schneyer is an otolaryngologist in Bethesda, Maryland
Dr. Schneyer practices at Centers for Advanced ENT Care in Bethesda, Maryland.
Dr. Schneyer's NPI, 1952523128, was assigned on May 3, 2007. Dr. Schneyer graduated from University of Maryland School of Medicine in 2011. Dr. Schneyer holds Maryland license D71919.
NPI and contact details
- NPI
- 1952523128NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385812973
- NPI enumeration date
- May 3, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 821-5151
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark S. Schneyer practices at Centers for Advanced ENT Care in Bethesda, Maryland
Dr. Schneyer's primary practice is Centers for Advanced ENT Care, at 6701 Democracy Blvd, Bethesda, MD 20817 in Montgomery County. The practice phone is (410) 821-5151.
- Centers for Advanced ENT Care6701 Democracy Blvd, Bethesda, MD 20817 · Montgomery CountyPhone(410) 821-5151
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark S. Schneyer is affiliated with 6 sites of care and 3 medical groups
Dr. Schneyer's primary practice is Centers for Advanced ENT Care in Bethesda, Maryland. Dr. Schneyer is also affiliated with Greater Baltimore Medical Center. The medical group on file is Greater Baltimore Medical Center (GBMC). Dmand AI also links Dr. Schneyer to 1 more hospital, 2 group practices and clinics, 2 medical groups and 1 ambulatory surgery center, each named with a free account.
Centers for Advanced ENT CarePrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mark S. Schneyer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Schneyer practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Centers for Advanced ENT Care | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark S. Schneyer is one of 213 otolaryngologists in Maryland
Otolaryngology is Dr. Schneyer's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dmand AI has Dr. Schneyer's licenses on file in 2 states: Maryland and Virginia.
Specialties and state licenses
- Otolaryngology, MarylandPrimary
- Student in an organized health care education/training program, Virginia
Otolaryngologists near Dr. Schneyer
Counts of otolaryngologists 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 S. Schneyer billed Medicare for 2,936 services in 2024
CMS data shows 2,936 Medicare services from Dr. Schneyer across 13 procedure codes in 2024, for 929 Medicare patients. Medicare paid $240,017 for them. Every service was in an office.
Medicare services, 20242,936
Medicare patients929
Paid by Medicare$240,017
Procedure codes13
Dr. Schneyer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,4132024: 1,5157%
- Surgery
- 2023: 1,0522024: 1,1015%
- Tests and treatments
- 2023: 2562024: 22811%
- Other services
- 2023: 1282024: 9228%
Dr. Schneyer compared with the Maryland median for otolaryngologists, 2024
- Dr. Schneyer
- Maryland median
- Medicare services
- 2,936vs 8023.7 times
- Medicare patients
- 929vs 4062.3 times
- Part D claims
- 632vs 1763.6 times
Medians across 207 otolaryngologists in Maryland with Dmand AI profiles that report each measure.
Dr. Schneyer'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. Schneyer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Schneyer and other otolaryngologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark S. Schneyer treated 929 Medicare patients in 2024, average age 75
CMS counts 929 Medicare patients who saw Dr. Schneyer in 2024. The largest group is 65 to 74, with 382 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Schneyer's median patient age at 49, with 51% women.
Medicare patients, 2024929
Average age75
Average risk score1.00
Also on Medicaid8%
Dr. Schneyer's Medicare patients by age, 2024
Dr. Schneyer's Medicare patients by sex, 2024
- Women54959%
- Men38041%
Chronic conditions among Dr. Schneyer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Diabetes29%
- Ischemic heart disease25%
- Anxiety22%
- Mood disorders22%
- Cancer19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Schneyer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark S. Schneyer wrote 765 Medicare Part D claims in 2024
In 2024, Dr. Schneyer wrote 765 Medicare Part D claims for 324 patients. 96% of them were for generic drugs. CMS names the drug for 632 of them, across 14 drugs with 11 or more claims each, at $18,255 in total drug cost. In 2023, CMS named 443 claims across 11 drugs.
Part D claims, 2024765
Drugs named by CMS14
Total drug cost$18,255
Part D patients324
Dr. Schneyer's Part D claims by kind of drug, 2024
- Generic734 claims96%
- Brand-name31 claims4%
Dr. Schneyer'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. Schneyer's Part D claims, 2024
- Antibiotics9%67 of 765 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: 4432024: 63243%
Drugs named by CMS: 14 in 2024, 11 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
How Dr. Mark S. Schneyer takes part in Medicare
Dr. Schneyer 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)
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Dr. Mark S. Schneyer has 2 publications on record
Dmand AI links 2 papers to Dr. Schneyer in 2011. Dr. Schneyer's most frequent co-author is Spencer Cranston Payne, MD.
Papers2
Dr. Schneyer's most frequent co-authors
Recent publications by Dr. Schneyer
Arch Otolaryngol Head Neck Surg
Rhinoscleroma
See who Dr. Schneyer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Schneyer works with, so you can find a warm path to the right otolaryngologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark S. Schneyer received $8,078 in industry payments from 2016 to 2025
CMS Open Payments shows 245 general payments to Dr. Schneyer from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 88% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $1,581.
General payments to Dr. Schneyer by program year, 2016 to 2025
General payments to Dr. Schneyer by kind, 2016 to 2025
$8.1Kin total
- Food and beverage$7,10788%
- Consulting fees$97012%
Companies that paid Dr. Schneyer 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 S. Schneyer graduated from University of Maryland School of Medicine
Dr. Schneyer graduated from University of Maryland School of Medicine in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark S. Schneyer'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 S. Schneyer
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 S. Schneyer's NPI number?
Dr. Mark S. Schneyer's NPI number is 1952523128. It was assigned on May 3, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark S. Schneyer?
Dr. Mark S. Schneyer is an otolaryngologist in Bethesda, Maryland. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Mark S. Schneyer practice?
Dr. Schneyer practices at 6701 Democracy Blvd, Bethesda, MD 20817. Dr. Schneyer's primary practice is Centers for Advanced ENT Care in Bethesda, Maryland. Dmand AI also links Dr. Schneyer to 1 hospital, 2 group practices and clinics, 2 medical groups and 1 ambulatory surgery center.
What is Dr. Mark S. Schneyer's office phone number?
The practice phone on file for Dr. Schneyer is (410) 821-5151.
What is Dr. Mark S. Schneyer's medical license number?
Dr. Schneyer holds Maryland license D71919, one of the licenses on file in 2 states.
Which states has Dr. Mark S. Schneyer been licensed in?
Dmand AI has state licenses on file for Dr. Schneyer in Maryland and Virginia.
Which hospitals is Dr. Mark S. Schneyer affiliated with?
Dr. Schneyer is affiliated with Greater Baltimore Medical Center. Dmand AI links Dr. Schneyer to 1 more hospital.
What medical group is Dr. Mark S. Schneyer part of?
Dr. Schneyer is linked to Greater Baltimore Medical Center (GBMC). Dmand AI links Dr. Schneyer to 2 more medical groups.
Does Dr. Mark S. Schneyer accept Medicare?
Yes. CMS data shows Dr. Schneyer billed Medicare for 2,936 services in 2024, and Dr. Schneyer accepts Medicare assignment.
How many Medicare patients does Dr. Mark S. Schneyer see?
CMS counts 929 Medicare patients who saw Dr. Schneyer in 2024, with an average age of 75.
Show 7 more questionsShow fewer questions
What services does Dr. Mark S. Schneyer bill to Medicare?
In 2024, Dr. Schneyer's most billed Medicare services were office visit, established patient (99214), surgery: ear (69210) and office visit, established patient (99213).
Where did Dr. Mark S. Schneyer go to medical school?
Dr. Schneyer graduated from University of Maryland School of Medicine in 2011.
What drugs does Dr. Mark S. Schneyer prescribe most?
In 2024 Medicare Part D data, Dr. Schneyer's most prescribed drugs by claims were Famotidine, Ipratropium Bromide and Azelastine HCl.
Has Dr. Mark S. Schneyer received payments from drug or device companies?
CMS Open Payments shows $8,078 in general payments to Dr. Schneyer from 28 companies from 2016 to 2025. The largest total came from Regeneron Pharmaceuticals, Inc.
How long has Dr. Mark S. Schneyer been practicing?
Dr. Schneyer graduated from medical school in 2011, 15 years ago.
Does Dr. Mark S. Schneyer do research?
Dmand AI links 2 publications to Dr. Schneyer.
Who does Dr. Mark S. Schneyer publish with?
Dr. Schneyer's most frequent co-authors are Spencer Cranston Payne, MD (1 shared paper).
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