Dr. John Erkkinen, MD
- Medicare services, 2021
- 32
- Part D claims, 2020
- 151
- Industry payments
- $860
- Affiliated sites
- 1
- Medical group
- 1
- 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. Erkkinen'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. John Erkkinen is a gastroenterologist in Portland, Maine
Dr. Erkkinen practices at Endoscopy Center - Portland in Portland, Maine.
Dr. Erkkinen's NPI, 1154429918, was assigned on September 20, 2006. Dr. Erkkinen holds Maine license 012834.
- NPI
- 1154429918NPI Registry (opens in a new tab)
- NPI enumeration date
- September 20, 2006
- NPI status
- Active
- Practice phone
- (207) 807-3732
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Erkkinen practices at Endoscopy Center - Portland in Portland, Maine
Dr. Erkkinen'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
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Erkkinen is affiliated with 1 site of care and 1 medical group
Dr. Erkkinen's primary practice is Endoscopy Center - Portland in Portland, Maine. The medical group on file is Portland Gastroenterology Center.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Erkkinen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Erkkinen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Endoscopy Center - Portland | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Erkkinen is one of 83 gastroenterologists in Maine
Gastroenterology is Dr. Erkkinen's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Erkkinen is licensed in Maine.
Specialties and state licenses
- Gastroenterology, MainePrimary
Gastroenterologists near Dr. Erkkinen
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. John Erkkinen billed Medicare for 32 services in 2021
CMS data shows 32 Medicare services from Dr. Erkkinen across 1 procedure code in 2021. Medicare paid $1,610 for them. Every service was in an office.
Dr. Erkkinen's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Tests and treatments
- 2020: 372021: 3214%
- Office and hospital visits
- 2020: 482021: 0100%
Dr. Erkkinen compared with the Maine median for gastroenterologists, 2021
- Dr. Erkkinen
- Maine median
- Medicare services
- 32vs 26988% below
- Part D claims
- 151vs 22132% below
Medians across 90 gastroenterologists in Maine with Dmand AI profiles that report each measure.
Dr. Erkkinen's most billed Medicare procedure codes, 2021
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Erkkinen and other gastroenterologists in Maine.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Erkkinen's patients have a median age of 54
Across all payers, Dmand AI patient panel data puts Dr. Erkkinen's median patient age at 54, with 40% women.
Dr. Erkkinen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women40%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. John Erkkinen wrote 151 Medicare Part D claims in 2020
In 2020, Dr. Erkkinen wrote 151 Medicare Part D claims. They cover 7 drugs, with $569,380 in total drug cost. In 2019, CMS named 415 claims across 16 drugs.
Dr. Erkkinen's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 4152020: 15164%
Drugs named by CMS: 7 in 2020, 16 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. John Erkkinen received $860 in industry payments from 2016 to 2019
CMS Open Payments shows 17 general payments to Dr. Erkkinen from 3 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $622.
General payments to Dr. Erkkinen by program year, 2016 to 2019
Companies that paid Dr. Erkkinen the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John Erkkinen'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. John Erkkinen
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. John Erkkinen's NPI number?
Dr. John Erkkinen's NPI number is 1154429918. It was assigned on September 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Erkkinen?
Dr. John Erkkinen is a gastroenterologist in Portland, Maine. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. John Erkkinen practice?
Dr. Erkkinen practices at 161 Marginal Way, 4th Floor, Portland, ME 04101. Dr. Erkkinen's primary practice is Endoscopy Center - Portland in Portland, Maine.
What is Dr. John Erkkinen's office phone number?
The practice phone on file for Dr. Erkkinen is (207) 807-3732.
What is Dr. John Erkkinen's medical license number?
Dr. Erkkinen holds Maine license 012834.
What medical group is Dr. John Erkkinen part of?
Dr. Erkkinen is linked to Portland Gastroenterology Center.
Does Dr. John Erkkinen accept Medicare?
Yes. CMS data shows Dr. Erkkinen billed Medicare for 32 services in 2021.
What services does Dr. John Erkkinen bill to Medicare?
In 2021, Dr. Erkkinen's most billed Medicare services were digestive system test (91010).
What drugs does Dr. John Erkkinen prescribe most?
In 2020 Medicare Part D data, Dr. Erkkinen's most prescribed drugs by claims were Omeprazole, Balsalazide Disodium and Stelara.
Has Dr. John Erkkinen received payments from drug or device companies?
CMS Open Payments shows $860 in general payments to Dr. Erkkinen from 3 companies from 2016 to 2019. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. John Erkkinen been practicing?
Dr. Erkkinen's NPI was assigned in 2006.
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