Gary J. Sprouse, M.D.
Internal Medicine Physician · Chester, MD
Gary J. Sprouse, M.D. is an internal medicine physician with a practice address in Chester, Maryland, and NPI 1255443727, issued on Aug 31, 2006. Check the license (Maryland D32036, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Gary J. Sprouse
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D32036 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2108 Didonato Dr, Chester, MD 21619
- Phone
- (410) 643-6205
- Enumerated
- Aug 31, 2006
- Record last updated
- Apr 14, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (410) 643-6945
- Medicaid ID
- 379261700 MD
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 2108 Didonato Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gary J. Sprouse in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D32036Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% more Medicare Part D claims than the average internal medicine physician in 2024
4,111 Medicare Part D claims for 186 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium203 claims
- Furosemide160 claims
- Levothyroxine Sodium157 claims
- Levetiracetam141 claims
- Lisinopril125 claims
- Gabapentin123 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): 16 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).
Gary J. Sprouse among 3,904 internal medicine physician records in Maryland
Gary J. Sprouse, M.D. is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2011 · 59% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 internal medicine physician records list a practice address in Chester
They are 3 of the 101 NPPES records with a practice address in Chester, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Chester → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Deon Edgerson-GeorgeChester, MD 216191508033929
- Suzanne Niemela, MDChester, MD 216191346217361
- Helen Noble, M.D.Chestertown, MD 216201275537896
- Dorellie Owusu, DOChestertown, MD 216201114554706
- Michael Peimer, M.D.Chestertown, MD 216201306840939
- Aisha Rahim, MDChestertown, MD 216201760638100
- Neil Stoddard, MDChestertown, MD 216201730226101
- Kin Wun, M.D.Chestertown, MD 216201518934298
Common questions
What is Gary J. Sprouse, M.D.'s NPI number?
Gary J. Sprouse, M.D.'s National Provider Identifier (NPI) is 1255443727, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary J. Sprouse, M.D. located?
The NPPES record lists a practice address at 2108 Didonato Dr, Chester, MD, 21619. Phone: (410) 643-6205. Providers update this record themselves, so call before visiting.
How can I verify Gary J. Sprouse, M.D.'s license?
NPPES lists Maryland license number D32036, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gary J. Sprouse, M.D. prescribe under Medicare Part D?
In 2024, Gary J. Sprouse, M.D. had 4,111 Medicare Part D claims for 186 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Gary J. Sprouse, M.D.'s MIPS final score?
The 2023 MIPS final score is 16 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.