Dr. Jonathan M. Weimer, MD
- Medicare services, 2024
- 150
- Medicare patients, 2024
- 116
- MIPS score, 2024
- 98
- Hospital affiliations
- 1
- Medical groups
- 3
- Practice address
- 22 Bramhall St, Portland, ME 04102
- Practice phone
- Call (207) 662-0111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Weimer's professional email, personal email and mobile number
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Dr. Jonathan M. Weimer is an anesthesiologist in Portland, Maine
Dr. Weimer practices at MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth.
Dr. Weimer's NPI, 1326400441, was assigned on March 28, 2016. Dr. Weimer holds Maine license MD25969.
- NPI
- 1326400441NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325331044
- NPI enumeration date
- March 28, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (207) 662-0111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan M. Weimer practices at MaineHealth Maine Medical Center in Portland, Maine
Dr. Weimer's primary practice is MaineHealth Maine Medical Center, at 22 Bramhall St, Portland, ME 04102 in Cumberland County. The practice phone is (207) 662-0111.
- MaineHealth Maine Medical Center22 Bramhall St, Portland, ME 04102 · Cumberland CountyPhone(207) 662-0111
Source: Dmand AI Affiliation Data
Dr. Jonathan M. Weimer is affiliated with 1 site of care and 3 medical groups
Dr. Weimer's primary practice is MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth. The medical group on file is MaineHealth Primary Care - Family Medicine - Portland. Dmand AI also links Dr. Weimer to 2 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jonathan M. Weimer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weimer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MaineHealth Maine Medical Center | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan M. Weimer is one of 247 anesthesiologists in Maine
Anesthesiology is Dr. Weimer's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Weimer is licensed in Maine.
Specialties and state licenses
- Anesthesiology, MainePrimary
Anesthesiologists near Dr. Weimer
Counts of anesthesiologists 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. Jonathan M. Weimer billed Medicare for 150 services in 2024
CMS data shows 150 Medicare services from Dr. Weimer across 6 procedure codes in 2024, for 116 Medicare patients. Medicare paid $17,870 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Weimer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 02024: 51
- Surgery
- 2023: 382024: 4518%
- Imaging
- 2023: 282024: 28No change
- Anesthesia
- 2023: 02024: 26
- Tests and treatments
- 2023: 332024: 0100%
Dr. Weimer compared with the Maine median for anesthesiologists, 2024
- Dr. Weimer
- Maine median
- Medicare services
- 150vs 712.1 times
- Medicare patients
- 116vs 15224% below
Medians across 247 anesthesiologists in Maine with Dmand AI profiles that report each measure.
Dr. Weimer'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. Jonathan M. Weimer treated 116 Medicare patients in 2024, average age 75
CMS counts 116 Medicare patients who saw Dr. Weimer in 2024. The largest group is 75 to 84, with 48 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 2.08, 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. Weimer's median patient age at 70, with 41% women.
Dr. Weimer's Medicare patients by age, 2024
Dr. Weimer's Medicare patients by sex, 2024
- Women4640%
- Men7060%
Chronic conditions among Dr. Weimer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Atrial fibrillation62%
- Ischemic heart disease60%
- Heart failure53%
- Arthritis51%
- Chronic kidney disease41%
- Anxiety35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Weimer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women41%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jonathan M. Weimer 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. Weimer for performance year 2024, reported through an alternative payment model (APM). Dr. Weimer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Weimer'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.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Sources for Dr. Jonathan M. Weimer'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) |
| 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) |
| 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. Jonathan M. Weimer
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. Jonathan M. Weimer's NPI number?
Dr. Jonathan M. Weimer's NPI number is 1326400441. It was assigned on March 28, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan M. Weimer?
Dr. Jonathan M. Weimer is an anesthesiologist in Portland, Maine. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Jonathan M. Weimer practice?
Dr. Weimer practices at 22 Bramhall St, Portland, ME 04102. Dr. Weimer's primary practice is MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth. Dmand AI also links Dr. Weimer to 2 medical groups.
What is Dr. Jonathan M. Weimer's office phone number?
The practice phone on file for Dr. Weimer is (207) 662-0111.
What is Dr. Jonathan M. Weimer's medical license number?
Dr. Weimer holds Maine license MD25969.
Which hospitals is Dr. Jonathan M. Weimer affiliated with?
Dr. Weimer practices at MaineHealth Maine Medical Center in Portland, Maine.
What medical group is Dr. Jonathan M. Weimer part of?
Dr. Weimer is linked to MaineHealth Primary Care - Family Medicine - Portland. Dmand AI links Dr. Weimer to 2 more medical groups.
Does Dr. Jonathan M. Weimer accept Medicare?
Yes. CMS data shows Dr. Weimer billed Medicare for 150 services in 2024, and Dr. Weimer accepts Medicare assignment.
What is Dr. Jonathan M. Weimer's MIPS score?
Dr. Weimer'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. Jonathan M. Weimer see?
CMS counts 116 Medicare patients who saw Dr. Weimer in 2024, with an average age of 75.
What services does Dr. Jonathan M. Weimer bill to Medicare?
In 2024, Dr. Weimer's most billed Medicare services were critical care (99291), ultrasound (76937) and surgery: heart and blood vessels (36620).
How long has Dr. Jonathan M. Weimer been practicing?
Dr. Weimer graduated from medical school in 2016, 10 years ago.
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