Dr. Mary Bailey, MD
- Medicare services, 2024
- 81
- Medicare patients, 2024
- 75
- Part D claims, 2024
- 823
- Hospital affiliations
- 3
- Industry payments
- $865,869
- Practice address
- 425 Post Rd, Fairfield, CT 06824
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Endoscopy Center of Fairfield, the - HOPD
Acute Care Hospital outpatient department · Fairfield, Connecticut
Find Dr. Bailey's professional email, personal email and mobile number
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Dr. Mary Bailey is a neurologist in Fairfield, Connecticut
Dr. Bailey practices at Endoscopy Center of Fairfield, the - HOPD in Fairfield, Connecticut.
Dr. Bailey's NPI, 1558543686, was assigned on November 30, 2007. Dr. Bailey graduated from Yale University School of Medicine in 2007. Dr. Bailey holds Connecticut license 049885.
- NPI
- 1558543686NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941454805
- NPI enumeration date
- November 30, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mary Bailey practices at Endoscopy Center of Fairfield, the - HOPD in Fairfield, Connecticut
Dr. Bailey's primary practice is Endoscopy Center of Fairfield, the - HOPD, at 425 Post Rd, Fairfield, CT 06824.
- Endoscopy Center of Fairfield, the - HOPD425 Post Rd, Fairfield, CT 06824
Source: Dmand AI Affiliation Data
Dr. Mary Bailey is affiliated with 7 sites of care and 3 medical groups
Dr. Bailey's primary practice is Endoscopy Center of Fairfield, the - HOPD in Fairfield, Connecticut. Dr. Bailey is also affiliated with Hartford Hospital. The medical group on file is Hartford HealthCare Medical Group Specialists. Dmand AI also links Dr. Bailey to 2 more hospitals, 2 group practices and clinics, 2 medical groups and 1 ambulatory surgery center, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mary Bailey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bailey practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Endoscopy Center of Fairfield, the - HOPD | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mary Bailey is one of 302 neurologists in Connecticut
Neurology is Dr. Bailey's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Bailey is licensed in Connecticut.
Specialties and state licenses
- Neurology, ConnecticutPrimary
Neurologists near Dr. Bailey
Counts of neurologists 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. Mary Bailey billed Medicare for 81 services in 2024
CMS data shows 81 Medicare services from Dr. Bailey across 2 procedure codes in 2024, all of them office visits, for 75 Medicare patients. Medicare paid $8,045 for them. Every service was in an office.
Dr. Bailey's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1082024: 8125%
Dr. Bailey compared with the Connecticut median for neurologists, 2024
- Dr. Bailey
- Connecticut median
- Medicare services
- 81vs 22364% below
- Medicare patients
- 75vs 15752% below
- Part D claims
- 656vs 2412.7 times
Medians across 293 neurologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Bailey'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mary Bailey treated 75 Medicare patients in 2024, average age 63
CMS counts 75 Medicare patients who saw Dr. Bailey in 2024. The largest group is under 65, with 33 patients. 57% of them have high cholesterol, and 56% have arthritis. 33% are also on Medicaid. Their average risk score is 1.45, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Bailey's median patient age at 57, with 71% women.
Dr. Bailey's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Bailey's Medicare patients by sex, 2024
- Women6080%
- Men1520%
Chronic conditions among Dr. Bailey's Medicare patients, 2024
- High cholesterol57%
- Arthritis56%
- High blood pressure53%
- Mood disorders44%
- Anxiety40%
- Depression40%
- Osteoporosis20%
- Alcohol and drug use disorders17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bailey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women71%
- Men27%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mary Bailey wrote 823 Medicare Part D claims in 2024
In 2024, Dr. Bailey wrote 823 Medicare Part D claims for 145 patients. 81% of them were for generic drugs. CMS names the drug for 656 of them, across 19 drugs with 11 or more claims each, at $1,434,660 in total drug cost. In 2023, CMS named 731 claims across 20 drugs.
Dr. Bailey's Part D claims by kind of drug, 2024
- Generic663 claims81%
- Brand-name160 claims19%
Dr. Bailey'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: 7312024: 65610%
Drugs named by CMS: 19 in 2024, 20 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. Mary Bailey offers telehealth to Medicare patients
Dr. Bailey accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Bailey as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Mary Bailey received $865,869 in industry payments from 2016 to 2025
CMS Open Payments shows 915 general payments to Dr. Bailey from 21 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 79% of the total. Biogen, Inc. paid the most, $276,154.
General payments to Dr. Bailey by program year, 2016 to 2025
General payments to Dr. Bailey by kind, 2016 to 2025
- Speaker and faculty fees$678,67379%
- Consulting fees$104,22212%
- Travel and lodging$38,3884%
- Food and beverage$17,9762%
- Other$23,5403%
Companies that paid Dr. Bailey 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. Mary Bailey graduated from Yale University School of Medicine
Dr. Bailey graduated from Yale University School of Medicine in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mary Bailey'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 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) |
| 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. Mary Bailey
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. Mary Bailey's NPI number?
Dr. Mary Bailey's NPI number is 1558543686. It was assigned on November 30, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary Bailey?
Dr. Mary Bailey is a neurologist in Fairfield, Connecticut. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Mary Bailey practice?
Dr. Bailey practices at 425 Post Rd, Fairfield, CT 06824. Dr. Bailey's primary practice is Endoscopy Center of Fairfield, the - HOPD in Fairfield, Connecticut. Dmand AI also links Dr. Bailey to 2 hospitals, 2 group practices and clinics, 2 medical groups and 1 ambulatory surgery center.
What is Dr. Mary Bailey's medical license number?
Dr. Bailey holds Connecticut license 049885.
Which hospitals is Dr. Mary Bailey affiliated with?
Dr. Bailey is affiliated with Hartford Hospital. Dmand AI links Dr. Bailey to 2 more hospitals.
What medical group is Dr. Mary Bailey part of?
Dr. Bailey is linked to Hartford HealthCare Medical Group Specialists. Dmand AI links Dr. Bailey to 2 more medical groups.
Does Dr. Mary Bailey accept Medicare?
Yes. CMS data shows Dr. Bailey billed Medicare for 81 services in 2024, and Dr. Bailey accepts Medicare assignment.
Does Dr. Mary Bailey offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Bailey as offering telehealth services.
How many Medicare patients does Dr. Mary Bailey see?
CMS counts 75 Medicare patients who saw Dr. Bailey in 2024, with an average age of 63.
What services does Dr. Mary Bailey bill to Medicare?
In 2024, Dr. Bailey's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99215).
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Where did Dr. Mary Bailey go to medical school?
Dr. Bailey graduated from Yale University School of Medicine in 2007.
What drugs does Dr. Mary Bailey prescribe most?
In 2024 Medicare Part D data, Dr. Bailey's most prescribed drugs by claims were Baclofen, Gabapentin and Dalfampridine ER.
Has Dr. Mary Bailey received payments from drug or device companies?
CMS Open Payments shows $865,869 in general payments to Dr. Bailey from 21 companies from 2016 to 2025. The largest total came from Biogen, Inc.
How long has Dr. Mary Bailey been practicing?
Dr. Bailey graduated from medical school in 2007, 19 years ago.
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