Timothy Baum, MD
Internal Medicine Physician · Portland, ME
Timothy Baum, MD is an internal medicine physician with a practice address in Portland, Maine, and NPI 1922077601, issued on Mar 16, 2006. Check the license (Maine 012272, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Timothy Baum
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 012272 ME
Self-reported in NPPES; status is on the state search - Practice location
- 84 Marginal Way, Portland, ME 04101
- Phone
- (207) 774-5816
- Enumerated
- Mar 16, 2006
- Entity
- Type 1 · individual
Also registered at 84 Marginal Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ann Adams, MDObstetrics & Gynecology Physician1902865025
- Carol Altman, MDObstetrics & Gynecology Physician1285693309
- Cynthia Atkinson, MDInternal Medicine Physician1487753125
- Douglas Barr, MDInternal Medicine Physician1134180359
- Michelle Belyea, PNPNurse Practitioner1114996808
- Christine Bennett, MDPediatrics Physician1811956931
Verify Timothy Baum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license 012272Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
4.4 times the Medicare Part D claims of the average internal medicine physician in 2024
12,282 Medicare Part D claims for 836 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 334 claims were for opioids.
Most prescribed
- Atorvastatin Calcium573 claims
- Rosuvastatin Calcium554 claims
- Losartan Potassium547 claims
- Amlodipine Besylate503 claims
- Levothyroxine Sodium503 claims
- Lisinopril410 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.
201 internal medicine physician records list a Portland practice address
They are 201 of the 6,022 NPPES records with a Portland practice address, and 743 internal medicine physician records in Maine.
All 201 in Portland → All 743 in Maine → Every provider in Portland →
Other internal medicine physician records in Maine
- Christopher Abbott, D.O.Lewiston, ME1982043329
- Karen Abernathy, M.D.Rockport, ME1124312335
- Hassan Abouleish, MDHoulton, ME1255300307
- Philip Abraham, M.D.Kittery, ME1497750764
- Alexander Abud, MDRockport, ME1235669706
- Elizabeth Ackerson, MDPortland, ME1912920117
- Lindsey Ackley-Pozzessere, DOBrunswick, ME1477991842
- Todd Adams, MDMoody, ME1427165778
- Adedeji Ademiluyi, MDBiddeford, ME1467013268
- Jason Adler, MDSouth Portland, ME1194252148
Common questions
What is Timothy Baum, MD's NPI number?
Timothy Baum, MD's National Provider Identifier (NPI) is 1922077601, issued on Mar 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Baum, MD located?
The NPPES record lists a practice address at 84 Marginal Way, Portland, ME, 04101. Phone: (207) 774-5816. Providers update this record themselves, so call before visiting.
How can I verify Timothy Baum, MD's license?
NPPES lists Maine license number 012272, 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 Timothy Baum, MD prescribe under Medicare Part D?
In 2024, Timothy Baum, MD had 12,282 Medicare Part D claims for 836 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.