Deron John Hammack, DO
Family Medicine Physician · Lavalette, WV
Deron John Hammack, DO is a family medicine physician with a practice address in Lavalette, West Virginia, and NPI 1194963769, issued on Feb 4, 2009. Check the license (West Virginia 2487, as entered in NPPES) on the West Virginia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Deron John Hammack
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 2487 WV
TP322 KY
Self-reported in NPPES; status is on the state search - Practice location
- 143 Beuhring St, Lavalette, WV 25535
- Phone
- (304) 525-7272
- Enumerated
- Feb 4, 2009
- Record last updated
- Aug 13, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (304) 525-7272
- Medicare enrollment
- Enrolled (PECOS I20160920001771); accepts Medicare assignment
- Medical or professional school
- West Virginia School Of Osteopathic Medicine, 2007
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,122 in West Virginia → Look up another NPI →
Verify Deron John Hammack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWest Virginia Board of Medicine
Search for license 2487Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average family medicine physician in 2024
13 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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 practice group's MIPS final score for 2023 (Medicare payment program): 81.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Holzer Clinic LLCJackson, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Deron John Hammack among 1,122 family medicine physician records in West Virginia
Deron John Hammack, DO is one of 1,122 family medicine physician records with a practice address in West Virginia. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 63% of them.
- NPI issued2009 · 63% of these records are older, 35% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2007 · median 2006 among the 702 with a school on file
- Record last updated2010 · 48% 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 West Virginia 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 Lavalette
They are 3 of the 87 NPPES records with a practice address in Lavalette, and 1,122 family medicine physician records in West Virginia.
All 1,122 in West Virginia → Every provider in Lavalette → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- John Castillo, MDLavalette, WV 255351487384160
- Kevin McCann, MDLavalette, WV 255351346201191
- David Ayers, M.D.Milton, WV 255411184648297
- Anita Dawson, DOMilton, WV 255411265508774
- Linda Eakle, DOMilton, WV 255411093730624
- James Enochs, LPNMilton, WV 255411366113789
- Donald Klinestiver, MDMilton, WV 255411255424248
- Zachary Lindsey, MDMilton, WV 255411912600859
Common questions
What is Deron John Hammack, DO's NPI number?
Deron John Hammack, DO's National Provider Identifier (NPI) is 1194963769, issued on Feb 4, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Deron John Hammack, DO located?
The NPPES record lists a practice address at 143 Beuhring St, Lavalette, WV, 25535. Phone: (304) 525-7272. Providers update this record themselves, so call before visiting.
How can I verify Deron John Hammack, DO's license?
NPPES lists West Virginia license number 2487, as entered by the provider. Search the West Virginia Board of Medicine at https://wvbom.wv.gov/public/search/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Deron John Hammack, DO prescribe under Medicare Part D?
In 2024, Deron John Hammack, DO had 13 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Deron John Hammack, DO's MIPS final score?
The 2023 MIPS final score is 81.4 of 100, reported for the practice group. 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.