Dr. Frank G. Guarnieri, MD
- Medicare services, 2024
- 245
- Medicare patients, 2024
- 115
- Part D claims, 2024
- 48
- MIPS score, 2024
- 98
- Hospital affiliations
- 1
- Practice address
- 6 St Andrews Ln, Boothbay Harbor, ME 04538
- Practice phone
- Call (207) 563-1234
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Andrews Campus of Lincolnhealth
Boothbay Harbor, Maine
Find Dr. Guarnieri'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. Frank G. Guarnieri is a hospitalist in Boothbay Harbor, Maine
Dr. Guarnieri practices at St Andrews Campus of Lincolnhealth in Boothbay Harbor, Maine.
Dr. Guarnieri's NPI, 1609803238, was assigned on June 27, 2006. Dr. Guarnieri graduated from Johns Hopkins University School of Medicine in 1999. Dr. Guarnieri holds Maine license 016588.
- NPI
- 1609803238NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163429200
- NPI enumeration date
- June 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (207) 563-1234
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Frank G. Guarnieri practices at St Andrews Campus of Lincolnhealth in Boothbay Harbor, Maine
Dr. Guarnieri's primary practice is St Andrews Campus of Lincolnhealth, at 6 St Andrews Ln, Boothbay Harbor, ME 04538 in Lincoln County. The practice phone is (207) 563-1234.
- St Andrews Campus of Lincolnhealth6 St Andrews Ln, Boothbay Harbor, ME 04538 · Lincoln CountyPhone(207) 563-1234
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Frank G. Guarnieri is affiliated with 2 sites of care and 1 medical group
Dr. Guarnieri's primary practice is St Andrews Campus of Lincolnhealth in Boothbay Harbor, Maine. Dr. Guarnieri is also affiliated with MaineHealth Lincoln Hospital. The medical group on file is MaineHealth Primary Care - Family Medicine - Portland.
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. Frank G. Guarnieri's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guarnieri practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Andrews Campus of Lincolnhealth | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Frank G. Guarnieri is one of 180 hospitalists in Maine
Hospitalist is Dr. Guarnieri's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Guarnieri is licensed in Maine.
Specialties and state licenses
- Hospitalist, MainePrimary
Hospitalists near Dr. Guarnieri
Counts of hospitalists 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. Frank G. Guarnieri billed Medicare for 245 services in 2024
CMS data shows 245 Medicare services from Dr. Guarnieri across 6 procedure codes in 2024, for 115 Medicare patients. Medicare paid $15,292 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Guarnieri's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1662024: 18511%
- Tests and treatments
- 2023: 442024: 6036%
Dr. Guarnieri compared with the Maine median for hospitalists, 2024
- Dr. Guarnieri
- Maine median
- Medicare services
- 245vs 2637% below
- Medicare patients
- 115vs 1247% below
- Part D claims
- 13vs 5476% below
Medians across 182 hospitalists in Maine with Dmand AI profiles that report each measure.
Dr. Guarnieri'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. Frank G. Guarnieri treated 115 Medicare patients in 2024, average age 79
CMS counts 115 Medicare patients who saw Dr. Guarnieri in 2024. The largest group is 75 to 84, with 39 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.91, 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. Guarnieri's median patient age at 78, with 55% women.
Dr. Guarnieri's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Guarnieri's Medicare patients by sex, 2024
- Women5548%
- Men6052%
Chronic conditions among Dr. Guarnieri's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis56%
- Ischemic heart disease43%
- Heart failure41%
- Atrial fibrillation40%
- Chronic kidney disease39%
- Diabetes39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Guarnieri's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Frank G. Guarnieri wrote 48 Medicare Part D claims in 2024
In 2024, Dr. Guarnieri wrote 48 Medicare Part D claims for 27 patients. 100% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $249 in total drug cost. In 2019, CMS named 20 claims across 1 drug.
Dr. Guarnieri's most prescribed drugs by claims, 2021
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. Guarnieri's Part D claims, 2024
- Antibiotics31%15 of 48 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, 2019 to 2021
- 2019
- 2021
- Claims for drugs CMS names
- 2019: 202021: 1335%
Drugs named by CMS: 1 in 2021, 1 in 2019.
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. Frank G. Guarnieri 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. Guarnieri for performance year 2024, reported through an alternative payment model (APM). Dr. Guarnieri accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Guarnieri'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. Frank G. Guarnieri graduated from Johns Hopkins University School of Medicine
Dr. Guarnieri graduated from Johns Hopkins University School of Medicine in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Frank G. Guarnieri'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)Clinician Public Reporting: Overall MIPS Performance (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. Frank G. Guarnieri
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. Frank G. Guarnieri's NPI number?
Dr. Frank G. Guarnieri's NPI number is 1609803238. It was assigned on June 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Frank G. Guarnieri?
Dr. Frank G. Guarnieri is a hospitalist in Boothbay Harbor, Maine. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Frank G. Guarnieri practice?
Dr. Guarnieri practices at 6 St Andrews Ln, Boothbay Harbor, ME 04538. Dr. Guarnieri's primary practice is St Andrews Campus of Lincolnhealth in Boothbay Harbor, Maine.
What is Dr. Frank G. Guarnieri's office phone number?
The practice phone on file for Dr. Guarnieri is (207) 563-1234.
What is Dr. Frank G. Guarnieri's medical license number?
Dr. Guarnieri holds Maine license 016588.
Which hospitals is Dr. Frank G. Guarnieri affiliated with?
Dr. Guarnieri is affiliated with MaineHealth Lincoln Hospital.
What medical group is Dr. Frank G. Guarnieri part of?
Dr. Guarnieri is linked to MaineHealth Primary Care - Family Medicine - Portland.
Does Dr. Frank G. Guarnieri accept Medicare?
Yes. CMS data shows Dr. Guarnieri billed Medicare for 245 services in 2024, and Dr. Guarnieri accepts Medicare assignment.
What is Dr. Frank G. Guarnieri's MIPS score?
Dr. Guarnieri'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. Frank G. Guarnieri see?
CMS counts 115 Medicare patients who saw Dr. Guarnieri in 2024, with an average age of 79.
Show 4 more questionsShow fewer questions
What services does Dr. Frank G. Guarnieri bill to Medicare?
In 2024, Dr. Guarnieri's most billed Medicare services were hospital inpatient care (99232), heart test or procedure (93010) and hospital inpatient care (99233).
Where did Dr. Frank G. Guarnieri go to medical school?
Dr. Guarnieri graduated from Johns Hopkins University School of Medicine in 1999.
What drugs does Dr. Frank G. Guarnieri prescribe most?
In 2021 Medicare Part D data, Dr. Guarnieri's most prescribed drugs by claims were Atorvastatin Calcium.
How long has Dr. Frank G. Guarnieri been practicing?
Dr. Guarnieri graduated from medical school in 1999, 27 years ago.
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