Cystadenoma, SerousEndoscopic Ultrasound-Guided Fine Needle AspirationGenomics
Dr. Gordon A. Millspaugh III, MD
NPI1114025988PAC ID3072590744
- Medicare services, 2024
- 558
- Medicare patients, 2024
- 290
- Part D claims, 2024
- 847
- Publications
- 1
- MIPS score, 2024
- 98
- Practice address
- 161 Marginal Way, 4th Floor, Portland, ME 04101
- Practice phone
- Call (207) 807-3732
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Endoscopy Center - Portland
Surgery Center - Medicare-Certified · Portland, Maine
Find Dr. Millspaugh's professional email, personal email and mobile number
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Dr. Gordon A. Millspaugh III is a gastroenterologist in Portland, Maine
Dr. Millspaugh practices at Endoscopy Center - Portland in Portland, Maine.
Dr. Millspaugh's NPI, 1114025988, was assigned on September 20, 2006. Dr. Millspaugh graduated from Columbia University College of Physicians and Surgeons in 1996. Dr. Millspaugh holds Maine license 015837.
NPI and contact details
- NPI
- 1114025988NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072590744
- NPI enumeration date
- September 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (207) 807-3732
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gordon A. Millspaugh III practices at Endoscopy Center - Portland in Portland, Maine
Dr. Millspaugh's primary practice is Endoscopy Center - Portland, at 161 Marginal Way, 4th Floor, Portland, ME 04101. The practice phone is (207) 807-3732.
- Endoscopy Center - Portland161 Marginal Way, 4th Floor, Portland, ME 04101Phone(207) 807-3732
Source: Dmand AI Affiliation Data
Dr. Gordon A. Millspaugh III is affiliated with 5 sites of care and 2 medical groups
Dr. Millspaugh's primary practice is Endoscopy Center - Portland in Portland, Maine. Dr. Millspaugh is also affiliated with MaineHealth Maine Medical Center. The medical group on file is MaineHealth Primary Care - Family Medicine - Portland. Dmand AI also links Dr. Millspaugh to 2 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.
Endoscopy Center - PortlandPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gordon A. Millspaugh III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Millspaugh practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Endoscopy Center - Portland | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gordon A. Millspaugh III is one of 83 gastroenterologists in Maine
Gastroenterology is Dr. Millspaugh's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Millspaugh is licensed in Maine.
Specialties and state licenses
- Gastroenterology, MainePrimary
Gastroenterologists near Dr. Millspaugh
Counts of gastroenterologists 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. Gordon A. Millspaugh III billed Medicare for 558 services in 2024
CMS data shows 558 Medicare services from Dr. Millspaugh across 12 procedure codes in 2024, for 290 Medicare patients. Medicare paid $47,005 for them.
Medicare services, 2024558
Medicare patients290
Paid by Medicare$47,005
Procedure codes12
Dr. Millspaugh's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 2532024: 18128%
- Surgery
- 2023: 2992024: 17840%
- Other services
- 2023: 1532024: 12816%
- Office and hospital visits
- 2023: 702024: 711%
Where Dr. Millspaugh's Medicare services took place, 2024
- In an office26848%
- In a facility29052%
Dr. Millspaugh compared with the Maine median for gastroenterologists, 2024
- Dr. Millspaugh
- Maine median
- Medicare services
- 558vs 2692.1 times
- Medicare patients
- 290vs 23324% above
- Part D claims
- 628vs 2212.8 times
Medians across 90 gastroenterologists in Maine with Dmand AI profiles that report each measure.
Dr. Millspaugh'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. Gordon A. Millspaugh III treated 290 Medicare patients in 2024, average age 73
CMS counts 290 Medicare patients who saw Dr. Millspaugh in 2024. The largest group is 65 to 74, with 136 patients. 69% of them have high cholesterol, and 63% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.46, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Millspaugh's median patient age at 65, with 52% women.
Medicare patients, 2024290
Average age73
Average risk score1.46
Also on Medicaid14%
Dr. Millspaugh's Medicare patients by age, 2024
Dr. Millspaugh's Medicare patients by sex, 2024
- Women14149%
- Men14951%
Chronic conditions among Dr. Millspaugh's Medicare patients, 2024
- High cholesterol69%
- High blood pressure63%
- Arthritis45%
- Anxiety28%
- Diabetes26%
- Ischemic heart disease26%
- Mood disorders24%
- Chronic kidney disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Millspaugh'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
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gordon A. Millspaugh III wrote 847 Medicare Part D claims in 2024
In 2024, Dr. Millspaugh wrote 847 Medicare Part D claims for 315 patients. 80% of them were for generic drugs. CMS names the drug for 628 of them, across 19 drugs with 11 or more claims each, at $862,747 in total drug cost. In 2023, CMS named 682 claims across 20 drugs.
Part D claims, 2024847
Drugs named by CMS19
Total drug cost$862,747
Part D patients315
Dr. Millspaugh's Part D claims by kind of drug, 2024
- Generic680 claims80%
- Brand-name167 claims20%
Dr. Millspaugh'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. Millspaugh's Part D claims, 2024
- Antibiotics4%33 of 847 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: 6822024: 6288%
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. Gordon A. Millspaugh III 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. Millspaugh for performance year 2024, reported through an alternative payment model (APM). Dr. Millspaugh accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 149 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Millspaugh, more than 85% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Millspaugh'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.
Where Dr. Millspaugh ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 85th percentile149 procedures
- Colonoscopy
- 80th percentile101 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. Gordon A. Millspaugh III has 1 publication on record
Dmand AI links 1 paper to Dr. Millspaugh in 2022. Dr. Millspaugh's most frequent co-authors are Yasser M. Bhat, MD, Brian Anthony Boone, MD and Bhaumik Brahmbhatt, MBBS.
Papers1
Dr. Millspaugh's most frequent co-authors
- Yasser M. Bhat, MD1 shared paper
- Brian Anthony Boone, MD1 shared paper
- Bhaumik Brahmbhatt, MBBS1 shared paper
Recent publications by Dr. Millspaugh
See who Dr. Millspaugh researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Millspaugh works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gordon A. Millspaugh III received $531 in industry payments from 2018 to 2025
CMS Open Payments shows 11 general payments to Dr. Millspaugh from 8 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Steris Corporation paid the most, $155.
General payments to Dr. Millspaugh by program year, 2018 to 2025
Companies that paid Dr. Millspaugh the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gordon A. Millspaugh III graduated from Columbia University College of Physicians and Surgeons
Dr. Millspaugh graduated from Columbia University College of Physicians and Surgeons in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gordon A. Millspaugh III'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) |
| 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. Gordon A. Millspaugh III
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. Gordon A. Millspaugh III's NPI number?
Dr. Gordon A. Millspaugh III's NPI number is 1114025988. It was assigned on September 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gordon A. Millspaugh III?
Dr. Gordon A. Millspaugh III is a gastroenterologist in Portland, Maine. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Gordon A. Millspaugh III practice?
Dr. Millspaugh practices at 161 Marginal Way, 4th Floor, Portland, ME 04101. Dr. Millspaugh's primary practice is Endoscopy Center - Portland in Portland, Maine. Dmand AI also links Dr. Millspaugh to 2 hospitals, 1 group practice or clinic and 1 medical group.
What is Dr. Gordon A. Millspaugh III's office phone number?
The practice phone on file for Dr. Millspaugh is (207) 807-3732.
What is Dr. Gordon A. Millspaugh III's medical license number?
Dr. Millspaugh holds Maine license 015837.
Which hospitals is Dr. Gordon A. Millspaugh III affiliated with?
Dr. Millspaugh is affiliated with MaineHealth Maine Medical Center. Dmand AI links Dr. Millspaugh to 2 more hospitals.
What medical group is Dr. Gordon A. Millspaugh III part of?
Dr. Millspaugh is linked to MaineHealth Primary Care - Family Medicine - Portland. Dmand AI links Dr. Millspaugh to 1 more medical group.
Does Dr. Gordon A. Millspaugh III accept Medicare?
Yes. CMS data shows Dr. Millspaugh billed Medicare for 558 services in 2024, and Dr. Millspaugh accepts Medicare assignment.
What is Dr. Gordon A. Millspaugh III's MIPS score?
Dr. Millspaugh'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. Gordon A. Millspaugh III see?
CMS counts 290 Medicare patients who saw Dr. Millspaugh in 2024, with an average age of 73.
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What services does Dr. Gordon A. Millspaugh III bill to Medicare?
In 2024, Dr. Millspaugh's most billed Medicare services were lab and pathology test (88305), medicare service (G0500) and surgery: digestive system (45385).
Where did Dr. Gordon A. Millspaugh III go to medical school?
Dr. Millspaugh graduated from Columbia University College of Physicians and Surgeons in 1996.
What drugs does Dr. Gordon A. Millspaugh III prescribe most?
In 2024 Medicare Part D data, Dr. Millspaugh's most prescribed drugs by claims were Omeprazole, Gavilyte-G and Famotidine.
Has Dr. Gordon A. Millspaugh III received payments from drug or device companies?
CMS Open Payments shows $531 in general payments to Dr. Millspaugh from 8 companies from 2018 to 2025. The largest total came from Steris Corporation.
How long has Dr. Gordon A. Millspaugh III been practicing?
Dr. Millspaugh graduated from medical school in 1996, 30 years ago.
Does Dr. Gordon A. Millspaugh III do research?
Dmand AI links 1 publication to Dr. Millspaugh.
Who does Dr. Gordon A. Millspaugh III publish with?
Dr. Millspaugh's most frequent co-authors are Yasser M. Bhat, MD (1 shared paper), Brian Anthony Boone, MD (1 shared paper) and Bhaumik Brahmbhatt, MBBS (1 shared paper).
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