Sigrid E. Berg, MD
Hematology & Oncology Physician · Brewer, ME
Sigrid E. Berg, MD is a hematology & oncology physician with a practice address in Brewer, Maine, and NPI 1972665834, issued on Dec 15, 2006. Check the license (Maine 017706, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Sigrid E. Berg
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 017706 ME
MD426107 PA
MT186411 PA
Self-reported in NPPES; status is on the state search - Practice location
- 33 Whiting Hill RD, Brewer, ME 04412
- Phone
- (207) 973-7478
- Enumerated
- Dec 15, 2006
- Record last updated
- Aug 16, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (207) 973-8234
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 77 in Maine → Look up another NPI →
Also registered at 33 Whiting Hill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ayotola Ajayi, MDPediatric Hematology & Oncology Physician1447736962
- Erdem Altunel, MDHematology & Oncology Physician1619462884
- Ellen Arey, RNFamily Nurse Practitioner1508206822
- Philip Brooks, MDHematology & Oncology Physician1942254818
- Daniel Callaway, M.D.Pediatric Hematology & Oncology Physician1134428899
- William Castrucci, MDRadiation Oncology Physician1396927604
Verify Sigrid E. Berg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license 017706Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
777 Medicare Part D claims for 148 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 58 claims were for opioids.
Most prescribed
- Prochlorperazine Maleate51 claims
- Anastrozole50 claims
- Acyclovir49 claims
- Prednisone48 claims
- Ondansetron Hcl43 claims
- Dexamethasone39 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.
The MIPS final score for 2023 (Medicare payment program): 98.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Sigrid E. Berg among 77 hematology & oncology physician records in Maine
Sigrid E. Berg, MD is one of 77 hematology & oncology physician records with a practice address in Maine. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 60% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2016 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 hematology & oncology physician records list a practice address in Brewer
They are 15 of the 359 NPPES records with a practice address in Brewer, and 77 hematology & oncology physician records in Maine.
All 77 in Maine → Every provider in Brewer → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Astrid Andreescu, MDBrewer, ME 044121295755635
- Shruti Bhandari, M.D.Brewer, ME 044121497169650
- Philip Brooks, MDBrewer, ME 044121942254818
- Audrey Garrett, MDBrewer, ME 044121467483859
- Khalil KamarBrewer, ME 044121750801312
- Thomas Openshaw, MDBrewer, ME 044121588695811
- Sheila Karina Pascual, MDBrewer, ME 044121841510864
- Yelena Patsiornik, MDBrewer, ME 044121639364243
Common questions
What is Sigrid E. Berg, MD's NPI number?
Sigrid E. Berg, MD's National Provider Identifier (NPI) is 1972665834, issued on Dec 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sigrid E. Berg, MD located?
The NPPES record lists a practice address at 33 Whiting Hill RD, Brewer, ME, 04412. Phone: (207) 973-7478. Providers update this record themselves, so call before visiting.
How can I verify Sigrid E. Berg, MD's license?
NPPES lists Maine license number 017706, 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 Sigrid E. Berg, MD prescribe under Medicare Part D?
In 2024, Sigrid E. Berg, MD had 777 Medicare Part D claims for 148 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Sigrid E. Berg, MD's MIPS final score?
The 2023 MIPS final score is 98.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.