John D. Long, MD
Gastroenterology Physician · Williamsburg, VA
John D. Long, MD is a gastroenterology physician with a practice address in Williamsburg, Virginia, and NPI 1386619393, issued on Feb 22, 2006. Check the license (Virginia 0101234912, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- John D. Long
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 0101234912 VA
Self-reported in NPPES; status is on the state search - Practice location
- 457 Mclaws Cir, Williamsburg, VA 23185
- Phone
- (757) 221-0750
- Enumerated
- Feb 22, 2006
- Record last updated
- Dec 19, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (757) 229-5168
- Medicare enrollment
- Enrolled (PECOS I20031120000799); accepts Medicare assignment
- Medical or professional school
- Eastern Virginia Medical School, 1989
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 536 in Virginia → Look up another NPI →
Also registered at 457 Mclaws Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shahwali Arezo, MDGastroenterology Physician1215975370
- Lonniel Bain, NPFamily Nurse Practitioner1548309495
- Madison GautreauxBehavior Technician1386504918
- Corinne Grass, SLPSpeech-Language Pathologist1508322124
- Alaina LamarcoSpeech-Language Pathologist1184374860
- Rebecca Vanderstouwe, MSN, FNP-BCFamily Nurse Practitioner1619149911
Verify John D. Long in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101234912Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average gastroenterology physician in 2024
348 Medicare Part D claims for 121 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Pantoprazole Sodium99 claims
- Omeprazole60 claims
- Dicyclomine Hcl20 claims
- Linzess19 claims
- Peg-3350 And Electrolytes18 claims
- Budesonide Dr17 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): 94.1 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).
Industry payments in 2024: $811.52
28 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Clinch Professional Physician Services LLCRichlands, VA
- Riverside Physician Services IncGloucester, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John D. Long among 536 gastroenterology physician records in Virginia
John D. Long, MD is one of 536 gastroenterology physician records with a practice address in Virginia. 85% 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 17% of them.
- NPI issued2006 · 17% of these records are older, 46% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1989 · median 2001 among the 389 with a school on file
- Record last updated2014 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Virginia
There are 536 gastroenterology physician records in Virginia.
All 536 in Virginia → Every provider in Williamsburg → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Shahwali Arezo, MDWilliamsburg, VA 231851215975370
- Joseph Converse, MDWilliamsburg, VA 231851669485330
- Shweta Joshi, MDWilliamsburg, VA 231851427093152
- Richard Hartle, MDWilliamsburg, VA 231881376556050
- Frances Jones, M.D.Williamsburg, VA 231881952590408
- Horace Jackson, MDRichmond, VA 232201669407003
- Constantinos Rozos, MDRichmond, VA 232211447271952
- Louis Gelrud, MDRichmond, VA 232261295721926
Common questions
What is John D. Long, MD's NPI number?
John D. Long, MD's National Provider Identifier (NPI) is 1386619393, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John D. Long, MD located?
The NPPES record lists a practice address at 457 Mclaws Cir, Williamsburg, VA, 23185. Phone: (757) 221-0750. Providers update this record themselves, so call before visiting.
How can I verify John D. Long, MD's license?
NPPES lists Virginia license number 0101234912, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John D. Long, MD prescribe under Medicare Part D?
In 2024, John D. Long, MD had 348 Medicare Part D claims for 121 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is John D. Long, MD's MIPS final score?
The 2023 MIPS final score is 94.1 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.