NPPES file of Aug 9, 2026

Mark Edward Nichols, M.D.

Obstetrics & Gynecology Physician · Conroe, TX

Mark Edward Nichols, M.D. is an obstetrics & gynecology physician with a practice address in Conroe, Texas, and NPI 1891780227, issued on Sep 12, 2005. Check the license (Texas L0457, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891780227
Name
Mark Edward Nichols
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
L0457 TX
Self-reported in NPPES; status is on the state search
Practice location
605 S Conroe Medical Dr, Conroe, TX 77304
Phone
(936) 539-4004
Enumerated
Sep 12, 2005
Record last updated
Mar 7, 2023
Fax
(936) 539-3635
Medicaid ID
1560377-03 TX
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest obstetrics & gynecology physician records → All 3,524 in Texas → Look up another NPI →

Also registered at 605 S Conroe Medical Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Chelsey Abraham, MDFamily Medicine Physician1487235941
  2. Love Afrifa, DOStudent in an Organized Health Care Education/Training Program1801690631
  3. Marwan Al-Khudhair, MDFamily Medicine Physician1245466762
  4. Kristen Alonso, DOFamily Medicine Physician1427404623
  5. Nicolas Alonso, DOStudent in an Organized Health Care Education/Training Program1043666233
  6. Stephen BarkerDentist1871890731

Verify Mark Edward Nichols in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L0457    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $26.92

1 payment: food and beverage; the largest payer was Baxter Healthcare. 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.

  1. Mark Nichols$26.92
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Mark Edward Nichols among 3,524 obstetrics & gynecology physician records in Texas

Mark Edward Nichols, M.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 85% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2023 · 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 Conroe → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Yai-Yun Cheng, MDConroe, TX 773041194759258
  2. Juliana Garr, M.D.Conroe, TX 773041598105546
  3. Rania Ibrahim, D.OConroe, TX 773041912130667
  4. Sarah Moseley, DOConroe, TX 773041467913327
  5. Richard Nuila-Crouse, M.D. OB-GYNConroe, TX 773041205840766
  6. Thomas Patton, MDConroe, TX 773041205813854
  7. Richard Roberts, M.D.Conroe, TX 773041366505521
  8. Farly Sejour, MDConroe, TX 773041225107113

Common questions

What is Mark Edward Nichols, M.D.'s NPI number?

Mark Edward Nichols, M.D.'s National Provider Identifier (NPI) is 1891780227, issued on Sep 12, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark Edward Nichols, M.D. located?

The NPPES record lists a practice address at 605 S Conroe Medical Dr, Conroe, TX, 77304. Phone: (936) 539-4004. Providers update this record themselves, so call before visiting.

How can I verify Mark Edward Nichols, M.D.'s license?

NPPES lists Texas license number L0457, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.