Dr. Keith Michael Rosenberg, MD, MPH
- Medicare services, 2024
- 181
- Medicare patients, 2024
- 186
- Part D claims, 2024
- 14,347
- Hospital affiliations
- 2
- Industry payments
- $1,025
- Practice address
- 175 Fore River Pkwy, Portland, ME 04102
- Practice phone
- Call (207) 879-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northern Light Mercy Hospital
Portland, Maine
Find Dr. Rosenberg'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. Keith Michael Rosenberg is an emergency medicine physician in Portland, Maine
Dr. Rosenberg practices at Northern Light Mercy Hospital in Portland, Maine.
Dr. Rosenberg's NPI, 1184063067, was assigned on June 24, 2013. Dr. Rosenberg graduated from Ohio State University College of Medicine in 2013. Dr. Rosenberg holds Maine license MD21027.
- NPI
- 1184063067NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113215732
- NPI enumeration date
- June 24, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (207) 879-3000
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Keith Michael Rosenberg practices at Northern Light Mercy Hospital in Portland, Maine
Dr. Rosenberg's primary practice is Northern Light Mercy Hospital, at 175 Fore River Pkwy, Portland, ME 04102 in Cumberland County. The practice phone is (207) 879-3000.
- Northern Light Mercy Hospital175 Fore River Pkwy, Portland, ME 04102 · Cumberland CountyPhone(207) 879-3000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Keith Michael Rosenberg is affiliated with 5 sites of care and 9 medical groups
Dr. Rosenberg's primary practice is Northern Light Mercy Hospital in Portland, Maine. Dr. Rosenberg is also affiliated with Northern Light Mercy Hospital. The medical group on file is Northern Light Mercy Hospital. Dmand AI also links Dr. Rosenberg to 1 more hospital, 8 medical groups and 2 group practices and clinics, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Keith Michael Rosenberg's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rosenberg practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northern Light Mercy Hospital | Available with a free account |
| +4 more sites and 8 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Keith Michael Rosenberg is one of 410 emergency medicine physicians in Maine
Emergency medicine is Dr. Rosenberg's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Rosenberg's licenses on file in 2 states: Maine and Michigan.
Specialties and state licenses
- Emergency medicine, MainePrimary
- Michigan license
Emergency medicine physicians near Dr. Rosenberg
Counts of emergency medicine physicians 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. Keith Michael Rosenberg billed Medicare for 181 services in 2024
CMS data shows 181 Medicare services from Dr. Rosenberg across 3 procedure codes in 2024, for 186 Medicare patients. Medicare paid $18,205 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Rosenberg's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2202024: 18118%
Dr. Rosenberg compared with the Maine median for emergency medicine physicians, 2024
- Dr. Rosenberg
- Maine median
- Medicare services
- 181vs 184Close to median
- Medicare patients
- 186vs 195Close to median
- Part D claims
- 14,205vs 58244.9 times
Medians across 426 emergency medicine physicians in Maine with Dmand AI profiles that report each measure.
Dr. Rosenberg'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. Rosenberg?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rosenberg and other emergency medicine physicians in Maine.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Keith Michael Rosenberg treated 186 Medicare patients in 2024, average age 72
CMS counts 186 Medicare patients who saw Dr. Rosenberg in 2024. The largest group is 75 to 84, with 63 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 46% are also on Medicaid. Their average risk score is 2.00, 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. Rosenberg's median patient age at 61, with 58% women.
Dr. Rosenberg's Medicare patients by age, 2024
Dr. Rosenberg's Medicare patients by sex, 2024
- Women10556%
- Men8144%
Chronic conditions among Dr. Rosenberg's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Mood disorders45%
- Anxiety44%
- Arthritis43%
- Depression42%
- Chronic kidney disease32%
- Diabetes32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rosenberg's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Keith Michael Rosenberg wrote 14,347 Medicare Part D claims in 2024
In 2024, Dr. Rosenberg wrote 14,347 Medicare Part D claims for 12,154 patients. 1% of them were for generic drugs. CMS names the drug for 14,205 of them, across 11 drugs with 11 or more claims each, at $3,007,356 in total drug cost. In 2023, CMS named 23,629 claims across 10 drugs.
Dr. Rosenberg's Part D claims by kind of drug, 2024
- Generic109 claims1%
- Brand-name14,238 claims99%
Dr. Rosenberg'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. Rosenberg's Part D claims, 2024
- Opioids0%11 of 14,347 claims
- Antibiotics0%63 of 14,347 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: 23,6292024: 14,20540%
Drugs named by CMS: 11 in 2024, 10 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
How Dr. Keith Michael Rosenberg takes part in Medicare
Dr. Rosenberg accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Keith Michael Rosenberg received $1,025 in industry payments from 2016 to 2024
CMS Open Payments shows 11 general payments to Dr. Rosenberg from 7 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 49% of the total. AstraZeneca Pharmaceuticals LP paid the most, $567.
General payments to Dr. Rosenberg by program year, 2016 to 2024
General payments to Dr. Rosenberg by kind, 2016 to 2024
- Consulting fees$50549%
- Honoraria$30029%
- Food and beverage$16716%
- Speaker and faculty fees$283%
- Gifts$252%
Companies that paid Dr. Rosenberg 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. Keith Michael Rosenberg graduated from Ohio State University College of Medicine
Dr. Rosenberg graduated from Ohio State University College of Medicine in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Keith Michael Rosenberg'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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. Keith Michael Rosenberg
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. Keith Michael Rosenberg's NPI number?
Dr. Keith Michael Rosenberg's NPI number is 1184063067. It was assigned on June 24, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Keith Michael Rosenberg?
Dr. Keith Michael Rosenberg is an emergency medicine physician in Portland, Maine. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Keith Michael Rosenberg practice?
Dr. Rosenberg practices at 175 Fore River Pkwy, Portland, ME 04102. Dr. Rosenberg's primary practice is Northern Light Mercy Hospital in Portland, Maine. Dmand AI also links Dr. Rosenberg to 1 hospital, 8 medical groups and 2 group practices and clinics.
What is Dr. Keith Michael Rosenberg's office phone number?
The practice phone on file for Dr. Rosenberg is (207) 879-3000.
What is Dr. Keith Michael Rosenberg's medical license number?
Dr. Rosenberg holds Maine license MD21027, one of the licenses on file in 2 states.
Which states has Dr. Keith Michael Rosenberg been licensed in?
Dmand AI has state licenses on file for Dr. Rosenberg in Maine and Michigan.
Which hospitals is Dr. Keith Michael Rosenberg affiliated with?
Dr. Rosenberg is affiliated with Northern Light Mercy Hospital. Dmand AI links Dr. Rosenberg to 1 more hospital.
What medical group is Dr. Keith Michael Rosenberg part of?
Dr. Rosenberg is linked to Northern Light Mercy Hospital. Dmand AI links Dr. Rosenberg to 8 more medical groups.
Does Dr. Keith Michael Rosenberg accept Medicare?
Yes. CMS data shows Dr. Rosenberg billed Medicare for 181 services in 2024, and Dr. Rosenberg accepts Medicare assignment.
How many Medicare patients does Dr. Keith Michael Rosenberg see?
CMS counts 186 Medicare patients who saw Dr. Rosenberg in 2024, with an average age of 72.
Show 5 more questionsShow fewer questions
What services does Dr. Keith Michael Rosenberg bill to Medicare?
In 2024, Dr. Rosenberg's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and emergency department visit (99283).
Where did Dr. Keith Michael Rosenberg go to medical school?
Dr. Rosenberg graduated from Ohio State University College of Medicine in 2013.
What drugs does Dr. Keith Michael Rosenberg prescribe most?
In 2024 Medicare Part D data, Dr. Rosenberg's most prescribed drugs by claims were Shingrix, Arexvy and Abrysvo.
Has Dr. Keith Michael Rosenberg received payments from drug or device companies?
CMS Open Payments shows $1,025 in general payments to Dr. Rosenberg from 7 companies from 2016 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Keith Michael Rosenberg been practicing?
Dr. Rosenberg graduated from medical school in 2013, 13 years ago.
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