Dr. Marc Louis Otten, MD

  • Stamford, CT
  • Neurosurgeon
NPI1467611889PAC ID0840411237
Medicare services, 2024
892
Medicare patients, 2024
428
Part D claims, 2024
74
Publications
23
MIPS score, 2024
84
Practice address
1 Hospital Plz, Stamford, CT 06902
Practice phone
Call (203) 276-7467
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Stamford Hospital

Stamford, Connecticut

See all 11 affiliations

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Dr. Marc Louis Otten is a neurosurgeon in Stamford, Connecticut

Dr. Otten practices at Stamford Hospital in Stamford, Connecticut.

Dr. Otten's NPI, 1467611889, was assigned on June 2, 2008. Dr. Otten graduated from JS Weill Medical College, Cornell University in 2006. Dr. Otten holds New York license 245024.

NPI and contact details
Medicare PAC ID
0840411237
NPI enumeration date
June 2, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(203) 276-7467
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
46
Medical school graduation
2006

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Marc Louis Otten practices at Stamford Hospital in Stamford, Connecticut

Dr. Otten's primary practice is Stamford Hospital, at 1 Hospital Plz, Stamford, CT 06902 in Western Ct County. The practice phone is (203) 276-7467.

  • Stamford Hospital
    1 Hospital Plz, Stamford, CT 06902 · Western Ct CountyPhone(203) 276-7467

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Marc Louis Otten is affiliated with 7 sites of care and 4 medical groups

Dr. Otten's primary practice is Stamford Hospital in Stamford, Connecticut. Dr. Otten is also affiliated with Stamford Hospital. The medical group on file is ColumbiaDoctors. Dmand AI also links Dr. Otten to 2 more hospitals, 3 group practices and clinics and 3 medical groups, each named with a free account.

See all 11 affiliations for Dr. Otten

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. Marc Louis Otten's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Otten practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Stamford HospitalAvailable with a free account
+6 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Marc Louis Otten is one of 99 neurosurgeons in Connecticut

Neurological surgery is Dr. Otten's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Otten is licensed in New York.

Specialties and state licenses

  • Neurological surgery, New YorkPrimaryLicense 245024 · taxonomy 207T00000X

Neurosurgeons near Dr. Otten

Counts of neurosurgeons 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. Marc Louis Otten billed Medicare for 892 services in 2024

CMS data shows 892 Medicare services from Dr. Otten across 19 procedure codes in 2024, for 428 Medicare patients. Medicare paid $78,011 for them.

Medicare services, 2024892
Medicare patients428
Paid by Medicare$78,011
Procedure codes19

Dr. Otten's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3512024: 53051%
Imaging
2023: 422024: 239469%
Tests and treatments
2023: 3272024: 12362%
Surgery
2023: 112024: 0100%

Where Dr. Otten's Medicare services took place, 2024

  • In an office86497%
  • In a facility283%

Dr. Otten compared with the Connecticut median for neurosurgeons, 2024

  • Dr. Otten
  • Connecticut median
Medicare services
892vs 1416.3 times
Medicare patients
428vs 1054.1 times
Part D claims
54vs 3080% above

Medians across 83 neurosurgeons in Connecticut with Dmand AI profiles that report each measure.

Dr. Otten'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.

See all procedures by Dr. Otten

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Marc Louis Otten treated 428 Medicare patients in 2024, average age 76

CMS counts 428 Medicare patients who saw Dr. Otten in 2024. The largest group is 65 to 74, with 176 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Otten's median patient age at 58, with 53% women.

Medicare patients, 2024428
Average age76
Average risk score1.11
Also on Medicaid7%

Dr. Otten's Medicare patients by age, 2024

Dr. Otten's Medicare patients by sex, 2024

  • Women25660%
  • Men17240%

Chronic conditions among Dr. Otten's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure71%
  3. Arthritis63%
  4. Ischemic heart disease30%
  5. Anxiety29%
  6. Mood disorders25%
  7. Osteoporosis25%
  8. Depression23%

Share of Medicare patients with each condition. A patient can have several.

Dr. Otten's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 58

Patient panel by sex, all payers

  • Women53%
  • Men43%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Marc Louis Otten wrote 74 Medicare Part D claims in 2024

In 2024, Dr. Otten wrote 74 Medicare Part D claims for 58 patients. 100% of them were for generic drugs. CMS names the drug for 54 of them, across 3 drugs with 11 or more claims each, at $279 in total drug cost. In 2023, CMS named 35 claims across 2 drugs.

Part D claims, 202474
Drugs named by CMS3
Total drug cost$279
Part D patients58

Dr. Otten'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 352024: 5454%

Drugs named by CMS: 3 in 2024, 2 in 2023.

See all prescribing by Dr. Otten

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. Marc Louis Otten scored 84 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Otten for performance year 2024, reported as part of a group. Dr. Otten accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Otten as offering telehealth. CMS counts 22 procedures of spinal fusion by Dr. Otten, more than 39% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Otten's MIPS scores, performance year 2024

  • 84of 100Final score
  • 82.6of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 65of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Otten ranks in Medicare procedure volume

Spinal fusion
39th percentile22 procedures
Laminectomy or laminotomy (partial removal of spine bones)
38th percentile13 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Marc Louis Otten has 23 publications on record

Dmand AI links 23 papers to Dr. Otten, published from 2011 to 2022. 2020 was the busiest year, with 7. The most frequent topics are Biomarkers, Tumor, Endoscopy and Magnetic Resonance Imaging. Dr. Otten has published most often in J Craniofac Surg. Dr. Otten's most frequent co-authors are Jeffrey N. Bruce, MD, David Gudis, MD and Peter Daniel Canoll, MD, PhD.

Papers23
Years published2011 to 2022

Dr. Otten's papers by year, 2011 to 2022

Topics Dr. Otten writes about most

  • Biomarkers, Tumor
  • Endoscopy
  • Magnetic Resonance Imaging
  • Plastic Surgery Procedures
  • Surgical Flaps
  • Frontal Sinus
  • Neurons
  • Skull Base

Dr. Otten's most frequent co-authors

Recent publications by Dr. Otten

See all 23 publications and co-authors

See who Dr. Otten researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Otten works with, so you can find a warm path to the right neurosurgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Marc Louis Otten received $5,599 in industry payments from 2016 to 2025

CMS Open Payments shows 23 general payments to Dr. Otten from 6 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 89% of the total. Globus Medical, Inc. paid the most, $3,749.

General payments to Dr. Otten by program year, 2016 to 2025

General payments to Dr. Otten by kind, 2016 to 2025

$5.6Kin total
  • Travel and lodging$4,97089%
  • Food and beverage$3296%
  • Speaker and faculty fees$3005%

Companies that paid Dr. Otten the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Otten

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Marc Louis Otten graduated from JS Weill Medical College, Cornell University

Dr. Otten graduated from JS Weill Medical College, Cornell University in 2006.

  1. Medical schoolJS Weill Medical College, Cornell University

Source: Dmand AI Professional Profile Data

Sources for Dr. Marc Louis Otten's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Marc Louis Otten

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. Marc Louis Otten's NPI number?

Dr. Marc Louis Otten's NPI number is 1467611889. It was assigned on June 2, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Marc Louis Otten?

Dr. Marc Louis Otten is a neurosurgeon in Stamford, Connecticut. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).

Where does Dr. Marc Louis Otten practice?

Dr. Otten practices at 1 Hospital Plz, Stamford, CT 06902. Dr. Otten's primary practice is Stamford Hospital in Stamford, Connecticut. Dmand AI also links Dr. Otten to 2 hospitals, 3 group practices and clinics and 3 medical groups.

What is Dr. Marc Louis Otten's office phone number?

The practice phone on file for Dr. Otten is (203) 276-7467.

What is Dr. Marc Louis Otten's medical license number?

Dr. Otten holds New York license 245024.

Which hospitals is Dr. Marc Louis Otten affiliated with?

Dr. Otten is affiliated with Stamford Hospital. Dmand AI links Dr. Otten to 2 more hospitals.

What medical group is Dr. Marc Louis Otten part of?

Dr. Otten is linked to ColumbiaDoctors. Dmand AI links Dr. Otten to 3 more medical groups.

Does Dr. Marc Louis Otten accept Medicare?

Yes. CMS data shows Dr. Otten billed Medicare for 892 services in 2024, and Dr. Otten accepts Medicare assignment.

Does Dr. Marc Louis Otten offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Otten as offering telehealth services.

What is Dr. Marc Louis Otten's MIPS score?

Dr. Otten's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Marc Louis Otten see?

CMS counts 428 Medicare patients who saw Dr. Otten in 2024, with an average age of 76.

What services does Dr. Marc Louis Otten bill to Medicare?

In 2024, Dr. Otten's most billed Medicare services were office visit, new patient (99204), office visit, established patient (99214) and diagnostic imaging (72100).

Where did Dr. Marc Louis Otten go to medical school?

Dr. Otten graduated from JS Weill Medical College, Cornell University in 2006.

What drugs does Dr. Marc Louis Otten prescribe most?

In 2024 Medicare Part D data, Dr. Otten's most prescribed drugs by claims were Meloxicam, Gabapentin and Methylprednisolone.

Has Dr. Marc Louis Otten received payments from drug or device companies?

CMS Open Payments shows $5,599 in general payments to Dr. Otten from 6 companies from 2016 to 2025. The largest total came from Globus Medical, Inc.

How long has Dr. Marc Louis Otten been practicing?

Dr. Otten graduated from medical school in 2006, 20 years ago.

Does Dr. Marc Louis Otten do research?

Dmand AI links 23 publications to Dr. Otten, published from 2011 to 2022.

Who does Dr. Marc Louis Otten publish with?

Dr. Otten's most frequent co-authors are Jeffrey N. Bruce, MD (10 shared papers), David Gudis, MD (7 shared papers) and Peter Daniel Canoll, MD, PhD (4 shared papers).

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