John Andrew Berg, MD
Family Medicine Physician · De Smet, SD
John Andrew Berg, MD is a family medicine physician with a practice address in De Smet, South Dakota, and NPI 1457321226, issued on Jan 25, 2006. Check the license (South Dakota 4247, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- John Andrew Berg
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4247 SD
Self-reported in NPPES; status is on the state search - Practice location
- 221 Calumet Ave SW, De Smet, SD 57231
- Phone
- (605) 854-9100
- Enumerated
- Jan 25, 2006
- Record last updated
- Jan 2, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (605) 854-9238
- Medicaid ID
- 5602487 SD
- Medicare enrollment
- Enrolled (PECOS I20060126000435); accepts Medicare assignment
- Medical or professional school
- Sanford School Of Medicine Of University Of South Dakota, 1994
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 601 in South Dakota → Look up another NPI →
Verify John Andrew Berg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 4247Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average family medicine physician in 2024
483 Medicare Part D claims for 136 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 58 claims were for opioids.
Most prescribed
- Doxycycline Hyclate54 claims
- Montelukast Sodium25 claims
- Minocycline Hcl20 claims
- Hydrocodone-Acetaminophen18 claims
- Tramadol Hcl18 claims
- Metformin Hcl15 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
- City OF RedfieldRedfield, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Andrew Berg among 601 family medicine physician records in South Dakota
John Andrew Berg, MD is one of 601 family medicine physician records with a practice address in South Dakota. 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 47% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1994 · median 2008 among the 393 with a school on file
- Record last updated2008 · 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 207Q00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 family medicine physician records list a practice address in De Smet
They are 3 of the 24 NPPES records with a practice address in De Smet, and 601 family medicine physician records in South Dakota.
All 601 in South Dakota → Every provider in De Smet → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Alese Allerdings, M.D.De Smet, SD 572311285926261
- Denise Olson, FNP-BCDe Smet, SD 572311760070841
- Robert Payne, M.D.Clear Lake, SD 572261184038580
- David Kleinberg, MDLake City, SD 572471386623007
- James Bailey, MDMilbank, SD 572521619943255
- Kevin Bjordahl, M.D.Milbank, SD 572521770547598
- Leshea Buttke, DOMilbank, SD 572521477118958
- Austin Eggers, MDMilbank, SD 572521164041208
Common questions
What is John Andrew Berg, MD's NPI number?
John Andrew Berg, MD's National Provider Identifier (NPI) is 1457321226, issued on Jan 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Andrew Berg, MD located?
The NPPES record lists a practice address at 221 Calumet Ave SW, De Smet, SD, 57231. Phone: (605) 854-9100. Providers update this record themselves, so call before visiting.
How can I verify John Andrew Berg, MD's license?
NPPES lists South Dakota license number 4247, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Andrew Berg, MD prescribe under Medicare Part D?
In 2024, John Andrew Berg, MD had 483 Medicare Part D claims for 136 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.