Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Sigrid E Berg, MD

Q: What is the NPI number for Sigrid Berg?

The National Provider Identifier (NPI) for Sigrid Berg is 1972665834, a Type 1 (individual) record in the CMS NPPES registry.

Hematology & Oncology Physician in Brewer, ME · enumerated 2006 · practices at Northeast Radiation Oncology PA.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1972665834

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Dr. Sigrid E Berg

Credential MD

Sex Female

Practice address 33 Whiting Hill Rd, Suite 21, Brewer, ME, 04412

Phone (207) 973-7478

Fax (207) 973-8234

Enumeration date Dec 15, 2006

Last updated in NPPES Aug 16, 2016

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License MT186411 (PA) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MD426107 (PA) Secondary

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 017706 (ME) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Sigrid Berg?

The National Provider Identifier (NPI) for Sigrid Berg is 1972665834, a Type 1 (individual) record in the CMS NPPES registry.

Where does Sigrid Berg practice?

The practice location on file with NPPES is in Brewer, ME. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-08-16.