Erica L. Seas, M.D
Internal Medicine Physician · Billings, MT
Erica L. Seas, M.D is an internal medicine physician with a practice address in Billings, Montana, and NPI 1558410100, issued on Jan 10, 2007. Check the license (Montana 10004, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Erica L. Seas
- Credential
- M.D
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 10004 MT
Self-reported in NPPES; status is on the state search - Practice location
- 2019 Broadwater Ave, Billings, MT 59102
- Phone
- (406) 237-5200
- Enumerated
- Jan 10, 2007
- Record last updated
- Dec 18, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (406) 237-5205
- Medicare enrollment
- Enrolled (PECOS I20050104000267); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 324 in Montana → Look up another NPI →
Also registered at 2019 Broadwater Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steve Bents, PACMedical Physician Assistant1740224450
- Doris BiersdorfRegistered Dietitian1407005309
- Claire Buckingham, NPNurse Practitioner1598230724
- Jon Bullman, MDFamily Medicine Physician1255373411
- Taylor Chaffin, FNPNurse Practitioner1073229787
- Alexander Garner, PAPhysician Assistant1942806153
Verify Erica L. Seas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 10004Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
174 Medicare Part D claims for 72 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Cefuroxime19 claims
- Pantoprazole Sodium14 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 one group practice
- Cogent Healthcare OF Montana P CBillings, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erica L. Seas among 324 internal medicine physician records in Montana
Erica L. Seas, M.D is one of 324 internal medicine physician records with a practice address in Montana. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 56% of them.
- NPI issued2007 · 56% of these records are older, 38% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2000 · median 2006 among the 191 with a school on file
- Record last updated2019 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
80 internal medicine physician records list a practice address in Billings
They are 80 of the 4,035 NPPES records with a practice address in Billings, and 324 internal medicine physician records in Montana.
All 324 in Montana → Every provider in Billings → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lawrence Campodonico, M.D.Billings, MT 591021578872677
- David Drill, M.D.Billings, MT 591021255698106
- Daniel Gomez Tobias, M.D.Billings, MT 591021932496239
- Brian Hess, MDBillings, MT 591021124514609
- Jessica Hoge, M.D.Billings, MT 591021235363573
- Abdulmajeed Kadri, MDBillings, MT 591021336186261
- Kari Kale, MDBillings, MT 591021285746693
- Joseph Peila, MDBillings, MT 591021669739710
Common questions
What is Erica L. Seas, M.D's NPI number?
Erica L. Seas, M.D's National Provider Identifier (NPI) is 1558410100, issued on Jan 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Erica L. Seas, M.D located?
The NPPES record lists a practice address at 2019 Broadwater Ave, Billings, MT, 59102. Phone: (406) 237-5200. Providers update this record themselves, so call before visiting.
How can I verify Erica L. Seas, M.D's license?
NPPES lists Montana license number 10004, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Erica L. Seas, M.D prescribe under Medicare Part D?
In 2024, Erica L. Seas, M.D had 174 Medicare Part D claims for 72 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.