Dr. Mark Adam Billington, MD
- Medicare services, 2023
- 19
- Medicare patients, 2024
- 17
- Part D claims, 2017
- 37
- MIPS score, 2024
- 98
- Hospital affiliations
- 1
- Practice address
- 6 Glen Cove Drive, Rockport, ME 04856
- Practice phone
- Call (207) 921-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Billington'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. Mark Adam Billington is a general surgeon in Rockport, Maine
Dr. Billington practices at MaineHealth Pen Bay Hospital in Rockport, Maine, part of MaineHealth.
Dr. Billington's NPI, 1194721720, was assigned on June 28, 2005. Dr. Billington graduated from Albert Einstein College of Medicine of Yeshiva University in 1988. Dr. Billington holds Maine license MD08360.
- NPI
- 1194721720NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274628490
- NPI enumeration date
- June 28, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (207) 921-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Adam Billington practices at MaineHealth Pen Bay Hospital in Rockport, Maine
Dr. Billington's primary practice is MaineHealth Pen Bay Hospital, at 6 Glen Cove Drive, Rockport, ME 04856 in Knox County. The practice phone is (207) 921-8000.
- MaineHealth Pen Bay Hospital6 Glen Cove Drive, Rockport, ME 04856 · Knox CountyPhone(207) 921-8000
Source: Dmand AI Affiliation Data
Dr. Mark Adam Billington is affiliated with 1 site of care and 3 medical groups
Dr. Billington's primary practice is MaineHealth Pen Bay Hospital in Rockport, Maine, part of MaineHealth. The medical group on file is MaineHealth Primary Care - Family Medicine - Portland. Dmand AI also links Dr. Billington to 2 more medical groups, each named with a free account. Dr. Billington's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Adam Billington's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Billington practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MaineHealth Pen Bay Hospital | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Adam Billington is one of 191 general surgeons in Maine
Surgery is Dr. Billington's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Billington is licensed in Maine.
Specialties and state licenses
- Surgery, MainePrimary
General surgeons near Dr. Billington
Counts of general surgeons 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 Adam Billington billed Medicare for 19 services in 2023
CMS data shows 19 Medicare services from Dr. Billington across 1 procedure code in 2023, for 17 Medicare patients. Medicare paid $696 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Billington's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 462023: 1959%
Dr. Billington compared with the Maine median for general surgeons, 2023
- Dr. Billington
- Maine median
- Medicare services
- 19vs 7876% below
- Medicare patients
- 17vs 8981% below
- Part D claims
- 37vs 2737% above
Medians across 191 general surgeons in Maine with Dmand AI profiles that report each measure.
Dr. Billington'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Adam Billington treated 17 Medicare patients in 2024, average age 75
CMS counts 17 Medicare patients who saw Dr. Billington in 2024. 75% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 1.48, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Billington's median patient age at 57, with 54% women.
Chronic conditions among Dr. Billington's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
Share of Medicare patients with each condition. A patient can have several.
Dr. Billington'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
- Women54%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Adam Billington wrote 37 Medicare Part D claims in 2017
In 2017, Dr. Billington wrote 37 Medicare Part D claims. They cover 2 drugs, with $252 in total drug cost. In 2016, CMS named 51 claims across 3 drugs.
Dr. Billington's most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 512017: 3727%
Drugs named by CMS: 2 in 2017, 3 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Mark Adam Billington scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Billington for performance year 2024, reported through an alternative payment model (APM). Dr. Billington accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Billington's MIPS scores, performance year 2024
- 98of 100Final score
- 83.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Colonoscopy: 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)
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Dr. Mark Adam Billington received $50 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Billington from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Djo, LLC paid the most, $50.
Companies that paid Dr. Billington the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Adam Billington graduated from Albert Einstein College of Medicine of Yeshiva University
Dr. Billington graduated from Albert Einstein College of Medicine of Yeshiva University in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Adam Billington'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) |
| 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) |
| 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 Adam Billington
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 Adam Billington's NPI number?
Dr. Mark Adam Billington's NPI number is 1194721720. It was assigned on June 28, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Adam Billington?
Dr. Mark Adam Billington is a general surgeon in Rockport, Maine. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Mark Adam Billington practice?
Dr. Billington practices at 6 Glen Cove Drive, Rockport, ME 04856. Dr. Billington's primary practice is MaineHealth Pen Bay Hospital in Rockport, Maine, part of MaineHealth. Dmand AI also links Dr. Billington to 2 medical groups.
What is Dr. Mark Adam Billington's office phone number?
The practice phone on file for Dr. Billington is (207) 921-8000.
What is Dr. Mark Adam Billington's medical license number?
Dr. Billington holds Maine license MD08360.
Which hospitals is Dr. Mark Adam Billington affiliated with?
Dr. Billington practices at MaineHealth Pen Bay Hospital in Rockport, Maine.
What medical group is Dr. Mark Adam Billington part of?
Dr. Billington is linked to MaineHealth Primary Care - Family Medicine - Portland. Dmand AI links Dr. Billington to 2 more medical groups.
Does Dr. Mark Adam Billington accept Medicare?
Yes. CMS data shows Dr. Billington billed Medicare for 19 services in 2023, and Dr. Billington accepts Medicare assignment.
What is Dr. Mark Adam Billington's MIPS score?
Dr. Billington's MIPS final score for performance year 2024 is 98 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Mark Adam Billington see?
CMS counts 17 Medicare patients who saw Dr. Billington in 2024, with an average age of 75.
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What services does Dr. Mark Adam Billington bill to Medicare?
In 2023, Dr. Billington's most billed Medicare services were hospital inpatient care (99231).
Where did Dr. Mark Adam Billington go to medical school?
Dr. Billington graduated from Albert Einstein College of Medicine of Yeshiva University in 1988.
What drugs does Dr. Mark Adam Billington prescribe most?
In 2017 Medicare Part D data, Dr. Billington's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Omeprazole.
Has Dr. Mark Adam Billington received payments from drug or device companies?
CMS Open Payments shows $50 in general payments to Dr. Billington from 1 company from 2019 to 2019. The largest total came from Djo, LLC.
How long has Dr. Mark Adam Billington been practicing?
Dr. Billington graduated from medical school in 1988, 38 years ago.
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