Dr. Oliver T. Fremont, MD
- Part D claims, 2024
- 31
- Publications
- 1
- MIPS score, 2024
- 98
- Hospital affiliations
- 1
- Medical groups
- 2
- 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. Fremont'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. Oliver T. Fremont is a pediatric nephrology physician in Portland, Maine
Dr. Fremont practices at MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth.
Dr. Fremont's NPI, 1730127036, was assigned on June 2, 2006. Dr. Fremont graduated from Vagelos College of Physicians and Surgeons in 2002. Dr. Fremont holds Maine license MD17844.
- NPI
- 1730127036NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749358596
- NPI enumeration date
- June 2, 2006
- 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
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Oliver T. Fremont practices at MaineHealth Maine Medical Center in Portland, Maine
Dr. Fremont'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. Oliver T. Fremont is affiliated with 2 sites of care and 2 medical groups
Dr. Fremont'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. Fremont to 1 more group practice or clinic and 1 medical group, 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. Oliver T. Fremont's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fremont practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MaineHealth Maine Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Oliver T. Fremont is one of 5 pediatric nephrology physicians in Maine
Pediatric nephrology is Dr. Fremont's primary specialty in the NPI Registry, under taxonomy code 2080P0210X. Dr. Fremont is board certified in pediatric nephrology by the American Board of Pediatrics. Dmand AI has Dr. Fremont's licenses on file in 4 states: Maine, New Hampshire, Massachusetts and Vermont.
Specialties and state licenses
- Pediatric nephrology, MainePrimary
- New Hampshire license
- Pediatrics, Massachusetts
- Vermont license
Clinical focus
Dmand AI lists fluid and electrolyte imbalances among the conditions Dr. Fremont treats.
Pediatric nephrology physicians near Dr. Fremont
Counts of pediatric nephrology 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. Oliver T. Fremont's patients have a median age of 11
Across all payers, Dmand AI patient panel data puts Dr. Fremont's median patient age at 11, with 45% women.
Dr. Fremont's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 11
Patient panel by sex, all payers
- Women45%
- Men55%
Source: Dmand AI Patient Panel Data
Dr. Oliver T. Fremont wrote 31 Medicare Part D claims in 2024
In 2024, Dr. Fremont wrote 31 Medicare Part D claims. 84% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $634 in total drug cost. In 2022, CMS named 70 claims across 5 drugs.
Dr. Fremont's Part D claims by kind of drug, 2024
- Generic26 claims84%
- Brand-name and other5 claims16%
Dr. Fremont's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 702023: 1184%
Drugs named by CMS: 1 in 2023, 5 in 2022.
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. Oliver T. Fremont 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. Fremont for performance year 2024, reported through an alternative payment model (APM). Dr. Fremont accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Fremont'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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Dr. Oliver T. Fremont has 1 publication on record
Dmand AI links 1 paper to Dr. Fremont.
Recent publications by Dr. Fremont
See who Dr. Fremont researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fremont works with, so you can find a warm path to the right pediatric nephrology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Oliver T. Fremont has 1 award and honors on record
Dmand AI lists 1 award for Dr. Fremont, most recently Regional Top Doctor in 2014.
Awards and honors for Dr. Fremont
- 2014
- Regional Top Doctor
Source: Dmand AI Professional Profile Data
Dr. Oliver T. Fremont graduated from Vagelos College of Physicians and Surgeons
Dr. Fremont graduated from Vagelos College of Physicians and Surgeons in 2002.
- Medical school
- Board certified in pediatric nephrology
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Oliver T. Fremont accepts plans from 14 insurance carriers
Dr. Fremont is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Aspirus Health Plan
- +6 more carriersWith a free account
Plan types Dr. Fremont accepts, by number of carriers
- PPO9
- Medicare8
- HMO6
- POS5
- EPO3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Oliver T. Fremont'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 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)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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Oliver T. Fremont
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. Oliver T. Fremont's NPI number?
Dr. Oliver T. Fremont's NPI number is 1730127036. It was assigned on June 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Oliver T. Fremont?
Dr. Oliver T. Fremont is a pediatric nephrology physician in Portland, Maine. The primary specialty in the NPI Registry is Pediatric Nephrology Physician (taxonomy code 2080P0210X).
Where does Dr. Oliver T. Fremont practice?
Dr. Fremont practices at 22 Bramhall St, Portland, ME 04102. Dr. Fremont's primary practice is MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth. Dmand AI also links Dr. Fremont to 1 group practice or clinic and 1 medical group.
What is Dr. Oliver T. Fremont's office phone number?
The practice phone on file for Dr. Fremont is (207) 662-0111.
What is Dr. Oliver T. Fremont's medical license number?
Dr. Fremont holds Maine license MD17844, one of the licenses on file in 4 states.
Which states has Dr. Oliver T. Fremont been licensed in?
Dmand AI has state licenses on file for Dr. Fremont in Maine (2008 to 2026), New Hampshire (2024), Massachusetts (2005 to 2010) and Vermont (2002 to 2005).
Which hospitals is Dr. Oliver T. Fremont affiliated with?
Dr. Fremont practices at MaineHealth Maine Medical Center in Portland, Maine.
What medical group is Dr. Oliver T. Fremont part of?
Dr. Fremont is linked to MaineHealth Primary Care - Family Medicine - Portland. Dmand AI links Dr. Fremont to 1 more medical group.
Does Dr. Oliver T. Fremont accept Medicare?
Yes. CMS lists Dr. Fremont as accepting Medicare assignment.
What is Dr. Oliver T. Fremont's MIPS score?
Dr. Fremont's MIPS final score for performance year 2024 is 98 out of 100, reported through an alternative payment model (APM).
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Is Dr. Oliver T. Fremont board certified?
Yes. Dr. Fremont is board certified in pediatric nephrology by the American Board of Pediatrics.
Where did Dr. Oliver T. Fremont go to medical school?
Dr. Fremont graduated from Vagelos College of Physicians and Surgeons in 2002.
What drugs does Dr. Oliver T. Fremont prescribe most?
In 2023 Medicare Part D data, Dr. Fremont's most prescribed drugs by claims were Potassium Citrate-Citric Acid.
How long has Dr. Oliver T. Fremont been practicing?
Dr. Fremont graduated from medical school in 2002, 24 years ago.
Does Dr. Oliver T. Fremont do research?
Dmand AI links 1 publication to Dr. Fremont.
What insurance does Dr. Oliver T. Fremont accept?
Dr. Fremont is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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