Andrew Geissler, DO
Cardiovascular Disease Physician · Lewiston, ME
Andrew Geissler, DO is a cardiovascular disease physician with a practice address in Lewiston, Maine, and NPI 1841795770, issued on Mar 23, 2018. Check the license (Maine DO3865, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Andrew Geissler
- Credential
- DO
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- DO3865 ME
Self-reported in NPPES; status is on the state search - Practice location
- 99 Campus Ave Ste 301, Lewiston, ME 04240
- Phone
- (207) 777-5300
- Enumerated
- Mar 23, 2018
- Record last updated
- Jul 2, 2024
- Medicare enrollment
- Enrolled (PECOS I20240724003032); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 147 in Maine → Look up another NPI →
Also registered at 99 Campus Ave Ste 301
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelsey AverillAcute Care Nurse Practitioner1326796475
- Linda Barajas, FNPFamily Nurse Practitioner1316743057
- Sara Denoncourt, FNP-CFamily Nurse Practitioner1982170403
- Danielle Jamison, FNP-CFamily Nurse Practitioner1174156202
- Jessica Kvasic, M.DCardiovascular Disease Physician1023405479
- Laura Onderko, MDCardiovascular Disease Physician1174919864
Verify Andrew Geissler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license DO3865Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
208 Medicare Part D claims for 57 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Atorvastatin Calcium27 claims
- Metoprolol Succinate21 claims
- Torsemide19 claims
- Eliquis18 claims
- Amlodipine Besylate13 claims
- Rosuvastatin Calcium13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- MainehealthBiddeford, ME
- St Marys Regional Medical CenterLewiston, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew Geissler among 147 cardiovascular disease physician records in Maine
Andrew Geissler, DO is one of 147 cardiovascular disease physician records with a practice address in Maine. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 92% of them.
- NPI issued2018 · 92% of these records are older, 4% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2018 · median 2004 among the 103 with a school on file
- Record last updated2024 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Maine
There are 147 cardiovascular disease physician records in Maine.
All 147 in Maine → Every provider in Lewiston → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Beata Bajgierowicz, MDLewiston, ME 042401093012726
- Lawrence Baker, MDLewiston, ME 042401386885705
- Steven Hobson, M.D.Lewiston, ME 042401366793721
- Patrick Hohl, D.O., M.P.H.Lewiston, ME 042401669796215
- Jessica Kvasic, M.DLewiston, ME 042401023405479
- Alan Langburd, MDLewiston, ME 042401831135037
- Patrick Lawrence, M.D.Lewiston, ME 042401467439521
- Ataollah Letafati, MD, FACC, FASELewiston, ME 042401215962642
Common questions
What is Andrew Geissler, DO's NPI number?
Andrew Geissler, DO's National Provider Identifier (NPI) is 1841795770, issued on Mar 23, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Geissler, DO located?
The NPPES record lists a practice address at 99 Campus Ave Ste 301, Lewiston, ME, 04240. Phone: (207) 777-5300. Providers update this record themselves, so call before visiting.
How can I verify Andrew Geissler, DO's license?
NPPES lists Maine license number DO3865, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andrew Geissler, DO prescribe under Medicare Part D?
In 2024, Andrew Geissler, DO had 208 Medicare Part D claims for 57 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.