Analgesics, OpioidHead and Neck NeoplasmsOpioid-Related Disorders
Dr. Marietta Tan, MD
NPI1932342698PAC ID3870742919
- Medicare services, 2023
- 85
- Medicare patients, 2024
- 13
- Part D claims, 2024
- 94
- Publications
- 31
- Hospital affiliations
- 1
- Practice address
- 6111 Executive Blvd, Rockville, MD 20852
- Practice phone
- Call (301) 816-2424
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Caton Hill Medical Center
Rockville, Maryland
Find Dr. Tan's professional email, personal email and mobile number
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Dr. Marietta Tan is an otolaryngologist in Rockville, Maryland
Dr. Tan practices at Caton Hill Medical Center in Rockville, Maryland.
Dr. Tan's NPI, 1932342698, was assigned on April 10, 2009. Dr. Tan graduated from Johns Hopkins University School of Medicine in 2009. Dr. Tan holds Maryland license D80498.
NPI and contact details
- NPI
- 1932342698NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870742919
- NPI enumeration date
- April 10, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (301) 816-2424
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marietta Tan practices at Caton Hill Medical Center in Rockville, Maryland
Dr. Tan's primary practice is Caton Hill Medical Center, at 6111 Executive Blvd, Rockville, MD 20852 in Montgomery County. The practice phone is (301) 816-2424.
- Caton Hill Medical Center6111 Executive Blvd, Rockville, MD 20852 · Montgomery CountyPhone(301) 816-2424
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Marietta Tan is affiliated with 2 sites of care and 2 medical groups
Dr. Tan's primary practice is Caton Hill Medical Center in Rockville, Maryland. Dr. Tan is also affiliated with Johns Hopkins Bayview Medical Center. The medical group on file is Johns Hopkins University. Dmand AI also links Dr. Tan to 1 more medical group, named with a free account.
Caton Hill Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Marietta Tan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Caton Hill Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marietta Tan is one of 213 otolaryngologists in Maryland
Otolaryngology is Dr. Tan's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Tan is licensed in Maryland.
Specialties and state licenses
- Otolaryngology, MarylandPrimary
Otolaryngologists near Dr. Tan
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. Marietta Tan billed Medicare for 85 services in 2023
CMS data shows 85 Medicare services from Dr. Tan across 5 procedure codes in 2023, for 13 Medicare patients. Medicare paid $4,371 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202385
Medicare patients13
Paid by Medicare$4,371
Procedure codes5
Dr. Tan's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Surgery
- 2022: 602023: 4525%
- Office and hospital visits
- 2022: 1422023: 4072%
Dr. Tan compared with the Maryland median for otolaryngologists, 2023
- Dr. Tan
- Maryland median
- Medicare services
- 85vs 80289% below
- Medicare patients
- 13vs 40697% below
- Part D claims
- 36vs 17680% below
Medians across 207 otolaryngologists in Maryland with Dmand AI profiles that report each measure.
Dr. Tan'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tan and other otolaryngologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marietta Tan treated 13 Medicare patients in 2024, average age 73
CMS counts 13 Medicare patients who saw Dr. Tan in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 0.59, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tan's median patient age at 35, with 52% women.
Medicare patients, 202413
Average age73
Average risk score0.59
Dr. Tan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Tan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 35
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marietta Tan wrote 94 Medicare Part D claims in 2024
In 2024, Dr. Tan wrote 94 Medicare Part D claims for 57 patients. 100% of them were for generic drugs. CMS names the drug for 36 of them, across 2 drugs with 11 or more claims each, at $532 in total drug cost. In 2023, CMS named 16 claims across 1 drug.
Part D claims, 202494
Drugs named by CMS2
Total drug cost$532
Part D patients57
Dr. Tan'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. Tan's Part D claims, 2024
- Antibiotics12%11 of 94 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: 162024: 36125%
Drugs named by CMS: 2 in 2024, 1 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. Marietta Tan takes part in Medicare
Dr. Tan 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. Marietta Tan has 31 publications on record
Dmand AI links 31 papers to Dr. Tan, published from 2011 to 2023. 2020 was the busiest year, with 6. The most frequent topics are Head and Neck Neoplasms, Carcinoma, Squamous Cell and Salivary Gland Neoplasms. Dr. Tan has published most often in Laryngoscope. Dr. Tan's most frequent co-authors are Carole Fakhry, MD, David W. Eisele, MD and Christine G. Gourin, MD.
Papers31
Years published2011 to 2023
Dr. Tan's papers by year, 2013 to 2023
Topics Dr. Tan writes about most
- Head and Neck Neoplasms
- Carcinoma, Squamous Cell
- Salivary Gland Neoplasms
- Carcinoma, Adenoid Cystic
- DNA Methylation
- Oropharyngeal Neoplasms
- Papillomavirus Infections
- Alphapapillomavirus
Dr. Tan's most frequent co-authors
- Carole Fakhry, MD14 shared papers
- David W. Eisele, MD10 shared papers
- Christine G. Gourin, MD8 shared papers
Recent publications by Dr. Tan
Carcinoma, Squamous CellHead and Neck NeoplasmsHuman Papillomavirus Viruses
Carcinoma, Squamous CellHead and Neck NeoplasmsLymphatic Metastasis
Hospitals, High-VolumeHypopharyngeal NeoplasmsLaryngectomy
See who Dr. Tan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tan 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. Marietta Tan received $256 in industry payments from 2018 to 2023
CMS Open Payments shows 3 general payments to Dr. Tan from 2 drug and device companies from 2018 to 2023. Food and beverage make up the largest share, 100% of the total. DePuy Synthes Sales Inc. paid the most, $225.
General payments to Dr. Tan by program year, 2018 to 2023
Companies that paid Dr. Tan the most, 2018 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marietta Tan graduated from Johns Hopkins University School of Medicine
Dr. Tan graduated from Johns Hopkins University School of Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marietta Tan'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 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) |
| 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. Marietta Tan
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. Marietta Tan's NPI number?
Dr. Marietta Tan's NPI number is 1932342698. It was assigned on April 10, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Marietta Tan?
Dr. Marietta Tan is an otolaryngologist in Rockville, Maryland. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Marietta Tan practice?
Dr. Tan practices at 6111 Executive Blvd, Rockville, MD 20852. Dr. Tan's primary practice is Caton Hill Medical Center in Rockville, Maryland. Dmand AI also links Dr. Tan to 1 medical group.
What is Dr. Marietta Tan's office phone number?
The practice phone on file for Dr. Tan is (301) 816-2424.
What is Dr. Marietta Tan's medical license number?
Dr. Tan holds Maryland license D80498.
Which hospitals is Dr. Marietta Tan affiliated with?
Dr. Tan is affiliated with Johns Hopkins Bayview Medical Center.
What medical group is Dr. Marietta Tan part of?
Dr. Tan is linked to Johns Hopkins University. Dmand AI links Dr. Tan to 1 more medical group.
Does Dr. Marietta Tan accept Medicare?
Yes. CMS data shows Dr. Tan billed Medicare for 85 services in 2023, and Dr. Tan accepts Medicare assignment.
How many Medicare patients does Dr. Marietta Tan see?
CMS counts 13 Medicare patients who saw Dr. Tan in 2024, with an average age of 73.
What services does Dr. Marietta Tan bill to Medicare?
In 2023, Dr. Tan's most billed Medicare services were surgery: lungs and airway (31575), office visit, new patient (99203) and surgery: ear (69210).
Show 6 more questionsShow fewer questions
Where did Dr. Marietta Tan go to medical school?
Dr. Tan graduated from Johns Hopkins University School of Medicine in 2009.
What drugs does Dr. Marietta Tan prescribe most?
In 2024 Medicare Part D data, Dr. Tan's most prescribed drugs by claims were Pantoprazole Sodium and Dexamethasone.
Has Dr. Marietta Tan received payments from drug or device companies?
CMS Open Payments shows $256 in general payments to Dr. Tan from 2 companies from 2018 to 2023. The largest total came from DePuy Synthes Sales Inc.
How long has Dr. Marietta Tan been practicing?
Dr. Tan graduated from medical school in 2009, 17 years ago.
Does Dr. Marietta Tan do research?
Dmand AI links 31 publications to Dr. Tan, published from 2011 to 2023.
Who does Dr. Marietta Tan publish with?
Dr. Tan's most frequent co-authors are Carole Fakhry, MD (14 shared papers), David W. Eisele, MD (10 shared papers) and Christine G. Gourin, MD (8 shared papers).
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