John Shum, MD
Obstetrics & Gynecology Physician · Longview, TX
John Shum, MD is an obstetrics & gynecology physician with a practice address in Longview, Texas, and NPI 1861616047, issued on Apr 12, 2007. Check the license (Texas L4123, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Shum
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- L4123 TX
Self-reported in NPPES; status is on the state search - Practice location
- 802 Medical Cir Ste 101, Longview, TX 75605
- Phone
- (903) 758-2610
- Enumerated
- Apr 12, 2007
- Record last updated
- Jul 15, 2026
- Fax
- (903) 758-7081
- Medicaid IDs
- 153825806 TX
153825807 TX - Medicare enrollment
- Enrolled (PECOS I20070705000586); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 2000
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,524 in Texas → Look up another NPI →
Verify John Shum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L4123Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
116 Medicare Part D claims for 28 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Sprintec23 claims
- Promethazine Hcl13 claims
- Norethindrone Acetate11 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.
Industry payments in 2024: $258.45
8 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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 one group practice
- Longview Wellness Center IncLongview, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Shum among 3,524 obstetrics & gynecology physician records in Texas
John Shum, MD is one of 3,524 obstetrics & gynecology physician records with a practice address in Texas. 78% 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 47% of them.
- NPI issued2007 · 47% of these records are older, 44% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2000 · median 2005 among the 2,093 with a school on file
- Record last updated2026 · 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 207V00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Texas
There are 3,524 obstetrics & gynecology physician records in Texas.
All 3,524 in Texas → Every provider in Longview → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Lynn Brazell, MDLongview, TX 756051356318273
- David Doerrfeld, M.D.Longview, TX 756051801891635
- Henry Gor, MDLongview, TX 756051386612307
- Elizabeth Hutcheson, MDLongview, TX 756051518934256
- Paul Lin, MDLongview, TX 756051497722714
- Theresa Martin, MDLongview, TX 756051255308508
- Margaret Morton, MDLongview, TX 756051972570539
- Vanessa Neiman, M.D.Longview, TX 756051326356130
Common questions
What is John Shum, MD's NPI number?
John Shum, MD's National Provider Identifier (NPI) is 1861616047, issued on Apr 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Shum, MD located?
The NPPES record lists a practice address at 802 Medical Cir Ste 101, Longview, TX, 75605. Phone: (903) 758-2610. Providers update this record themselves, so call before visiting.
How can I verify John Shum, MD's license?
NPPES lists Texas license number L4123, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Shum, MD prescribe under Medicare Part D?
In 2024, John Shum, MD had 116 Medicare Part D claims for 28 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.