Dr. Amit Bhasker Ayer, MD
- Medicare services, 2024
- 84
- Medicare patients, 2024
- 70
- Part D claims, 2024
- 14
- Publications
- 15
- MIPS score, 2024
- 95
- Practice address
- 2801 N Gantenbein Avenue, Portland, OR 97227
- Practice phone
- Call (503) 413-2200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ayer'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. Amit Bhasker Ayer is a neurosurgeon in Portland, Oregon
Dr. Ayer practices at Legacy Emanuel Medical Center in Portland, Oregon, part of Legacy Health.
Dr. Ayer's NPI, 1841638293, was assigned on June 7, 2013. Dr. Ayer graduated from Wake Forest School of Medicine in 2013. Dr. Ayer's Oregon license number on file is MD214300.
- NPI
- 1841638293NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931481181
- NPI enumeration date
- June 7, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (503) 413-2200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Amit Bhasker Ayer practices at Legacy Emanuel Medical Center in Portland, Oregon
Dr. Ayer's primary practice is Legacy Emanuel Medical Center, at 2801 N Gantenbein Avenue, Portland, OR 97227 in Multnomah County. The practice phone is (503) 413-2200.
- Legacy Emanuel Medical Center2801 N Gantenbein Avenue, Portland, OR 97227 · Multnomah CountyPhone(503) 413-2200
Source: Dmand AI Affiliation Data
Dr. Amit Bhasker Ayer is affiliated with 6 sites of care and 2 medical groups
Dr. Ayer's primary practice is Legacy Emanuel Medical Center in Portland, Oregon, part of Legacy Health. Dr. Ayer is also affiliated with Legacy Good Samaritan Medical Center. The medical group on file is Legacy Medical Group-Northwest. Dmand AI also links Dr. Ayer to 1 more hospital, 1 clinical lab, 1 group practice or clinic, 1 therapy and rehab clinic 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. Amit Bhasker Ayer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ayer practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Legacy Emanuel Medical Center | Available with a free account |
| +5 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 Legacy Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Amit Bhasker Ayer is one of 113 neurosurgeons in Oregon
Neurological surgery is Dr. Ayer's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Ayer is board certified in neurological surgery by the American Board of Neurological Surgery. Dmand AI has Dr. Ayer's licenses on file in 4 states: Oregon, California, Colorado and Illinois.
Specialties and state licenses
- Neurological surgery, OregonPrimary
- California license
- Colorado license
- Illinois license
Clinical focus
Dmand AI lists back and neck pain treatment without fusion, craniotomy, lower back pain, neck pain and spine problems and spinal fusion among the conditions Dr. Ayer treats.
Neurosurgeons near Dr. Ayer
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. Amit Bhasker Ayer billed Medicare for 84 services in 2024
CMS data shows 84 Medicare services from Dr. Ayer across 4 procedure codes in 2024, for 70 Medicare patients. Medicare paid $7,931 for them.
Dr. Ayer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 162024: 84425%
Where Dr. Ayer's Medicare services took place, 2024
- In an office3036%
- In a facility5464%
Dr. Ayer compared with the Oregon median for neurosurgeons, 2024
- Dr. Ayer
- Oregon median
- Medicare services
- 84vs 15044% below
- Medicare patients
- 70vs 12243% below
- Part D claims
- 15vs 2540% below
Medians across 97 neurosurgeons in Oregon with Dmand AI profiles that report each measure.
Dr. Ayer'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. Ayer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ayer and other neurosurgeons in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Amit Bhasker Ayer treated 70 Medicare patients in 2024, average age 72
CMS counts 70 Medicare patients who saw Dr. Ayer in 2024. The largest group is 75 to 84, with 30 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 1.92, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ayer's median patient age at 65, with 53% women.
Dr. Ayer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ayer's Medicare patients by sex, 2024
- Women3144%
- Men3956%
Chronic conditions among Dr. Ayer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Anxiety43%
- Mood disorders40%
- Diabetes37%
- Ischemic heart disease37%
- Depression34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ayer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Amit Bhasker Ayer wrote 14 Medicare Part D claims in 2024
In 2024, Dr. Ayer wrote 14 Medicare Part D claims. 100% of them were for generic drugs. They cover 1 drug, with $126 in total drug cost.
Dr. Ayer's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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. Amit Bhasker Ayer scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Ayer for performance year 2024, reported through an alternative payment model (APM). Dr. Ayer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ayer as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Ayer's MIPS scores, performance year 2024
- 95of 100Final score
- 77.2of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Laminectomy or laminotomy (partial removal of spine bones): 1 to 10 procedures (CMS shows small counts as a range)
Spinal fusion: 1 to 10 procedures (CMS shows small counts as a range)
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)
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. Amit Bhasker Ayer has 15 publications on record
Dmand AI links 15 papers to Dr. Ayer, published from 2010 to 2022. 2020 was the busiest year, with 3. The most frequent topics are Signal Transduction. Dr. Ayer's most frequent co-authors are Geoffrey Christian Jocelyn Appelboom, MD, Brian Yujin Hwang, MD and Matthew Christopher Tate, MD, PhD.
Dr. Ayer's papers by year, 2010 to 2022
Topics Dr. Ayer writes about most
- Signal Transduction
Dr. Ayer's most frequent co-authors
- Geoffrey Christian Jocelyn Appelboom, MD3 shared papers
- Brian Yujin Hwang, MD3 shared papers
- Matthew Christopher Tate, MD, PhD3 shared papers
Recent publications by Dr. Ayer
Clin Neurol Neurosurg
See who Dr. Ayer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ayer 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. Amit Bhasker Ayer received $9,657 in industry payments from 2016 to 2024
CMS Open Payments shows 78 general payments to Dr. Ayer from 14 drug and device companies from 2016 to 2024. Travel and lodging make up the largest share, 62% of the total. Globus Medical, Inc. paid the most, $4,382.
General payments to Dr. Ayer by program year, 2016 to 2024
General payments to Dr. Ayer by kind, 2016 to 2024
- Travel and lodging$5,96062%
- Food and beverage$3,47536%
- Grants$2222%
Companies that paid Dr. Ayer 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. Amit Bhasker Ayer has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Ayer, most recently Finalist, Innovator of the Year in 2018.
Awards and honors for Dr. Ayer
- 2018
- Finalist, Innovator of the Year
- 2009
- Dean's List
Source: Dmand AI Professional Profile Data
Dr. Amit Bhasker Ayer graduated from Wake Forest School of Medicine
Dr. Ayer graduated from Wake Forest School of Medicine in 2013. Dr. Ayer is a member of AANS and CNS.
- Medical school
- Board certified in neurological surgery
Source: Dmand AI Professional Profile Data
Dr. Amit Bhasker Ayer accepts plans from 16 insurance carriers
Dr. Ayer is in network with 16 carriers, including Aetna, United Healthcare and Cigna. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Cigna
- Elevance
- HCSC
- Regence Health Plans
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- +8 more carriersWith a free account
Plan types Dr. Ayer accepts, by number of carriers
- PPO11
- HMO9
- Medicare8
- EPO4
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Amit Bhasker Ayer'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)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-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. Amit Bhasker Ayer
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. Amit Bhasker Ayer's NPI number?
Dr. Amit Bhasker Ayer's NPI number is 1841638293. It was assigned on June 7, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Amit Bhasker Ayer?
Dr. Amit Bhasker Ayer is a neurosurgeon in Portland, Oregon. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Amit Bhasker Ayer practice?
Dr. Ayer practices at 2801 N Gantenbein Avenue, Portland, OR 97227. Dr. Ayer's primary practice is Legacy Emanuel Medical Center in Portland, Oregon, part of Legacy Health. Dmand AI also links Dr. Ayer to 1 hospital, 1 clinical lab, 1 group practice or clinic, 1 therapy and rehab clinic and 1 medical group.
What is Dr. Amit Bhasker Ayer's office phone number?
The practice phone on file for Dr. Ayer is (503) 413-2200.
What is Dr. Amit Bhasker Ayer's medical license number?
Dr. Ayer's Oregon license number on file is MD214300, one of the licenses on file in 4 states.
Which states has Dr. Amit Bhasker Ayer been licensed in?
Dmand AI has state licenses on file for Dr. Ayer in Oregon (2023 to 2025), California (2019 to 2025), Colorado (2021 to 2025) and Illinois (2013 to 2020).
Which hospitals is Dr. Amit Bhasker Ayer affiliated with?
Dr. Ayer practices at Legacy Emanuel Medical Center in Portland, Oregon. Dr. Ayer is also affiliated with Legacy Good Samaritan Medical Center. Dmand AI links Dr. Ayer to 1 more hospital.
What medical group is Dr. Amit Bhasker Ayer part of?
Dr. Ayer is linked to Legacy Medical Group-Northwest. Dmand AI links Dr. Ayer to 1 more medical group.
Does Dr. Amit Bhasker Ayer accept Medicare?
Yes. CMS data shows Dr. Ayer billed Medicare for 84 services in 2024, and Dr. Ayer accepts Medicare assignment.
Does Dr. Amit Bhasker Ayer offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ayer as offering telehealth services.
Show 11 more questionsShow fewer questions
What is Dr. Amit Bhasker Ayer's MIPS score?
Dr. Ayer's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Amit Bhasker Ayer see?
CMS counts 70 Medicare patients who saw Dr. Ayer in 2024, with an average age of 72.
Is Dr. Amit Bhasker Ayer board certified?
Yes. Dr. Ayer is board certified in neurological surgery by the American Board of Neurological Surgery.
What services does Dr. Amit Bhasker Ayer bill to Medicare?
In 2024, Dr. Ayer's most billed Medicare services were hospital inpatient care (99231), hospital inpatient care (99223) and office visit, established patient (99214).
Where did Dr. Amit Bhasker Ayer go to medical school?
Dr. Ayer graduated from Wake Forest School of Medicine in 2013.
What drugs does Dr. Amit Bhasker Ayer prescribe most?
In 2022 Medicare Part D data, Dr. Ayer's most prescribed drugs by claims were Methocarbamol.
Has Dr. Amit Bhasker Ayer received payments from drug or device companies?
CMS Open Payments shows $9,657 in general payments to Dr. Ayer from 14 companies from 2016 to 2024. The largest total came from Globus Medical, Inc.
How long has Dr. Amit Bhasker Ayer been practicing?
Dr. Ayer graduated from medical school in 2013, 13 years ago.
Does Dr. Amit Bhasker Ayer do research?
Dmand AI links 15 publications to Dr. Ayer, published from 2010 to 2022.
Who does Dr. Amit Bhasker Ayer publish with?
Dr. Ayer's most frequent co-authors are Geoffrey Christian Jocelyn Appelboom, MD (3 shared papers), Brian Yujin Hwang, MD (3 shared papers) and Matthew Christopher Tate, MD, PhD (3 shared papers).
What insurance does Dr. Amit Bhasker Ayer accept?
Dr. Ayer is in network with 16 carriers, including Aetna, United Healthcare and Cigna. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
Selling to neurological surgery practices?
See neurosurgeons in Oregon 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