NPPES file of Aug 9, 2026

John Richards Adams, M.D

Internal Medicine Physician · Katy, TX

John Richards Adams, M.D is an internal medicine physician with a practice address in Katy, Texas, and NPI 1922006410, issued on Jul 8, 2005. Check the license (Texas K9956, 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
1922006410
Name
John Richards Adams
Credential
M.D
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
K9956 TX
Self-reported in NPPES; status is on the state search
Practice location
21700 Kingsland Blvd, Katy, TX 77450
Phone
(281) 398-7954
Enumerated
Jul 8, 2005
Record last updated
Feb 1, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(281) 578-7425
Medicaid ID
046856301 TX
Medicare enrollment
Enrolled (PECOS I20100817001686); accepts Medicare assignment
Medical or professional school
University Of Texas Medical Branch At Galveston, 1997
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 21700 Kingsland Blvd

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

  1. Sankaranarayan Alagugurusamy, M.D.Emergency Medicine Physician1437159696
  2. Paul Bing, M.DPulmonary Disease Physician1376541870
  3. William CurrieGastroenterology Physician1093713596
  4. Crystal Durand, FNP-CNurse Practitioner1851832794
  5. Cassie EkdahlNurse Practitioner1457719775
  6. Jane Ellis, RN, MSN, NPWomen's Health Nurse Practitioner1255320040

Verify John Richards Adams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K9956
    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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About as many Medicare Part D claims as the average internal medicine physician in 2024

3,183 Medicare Part D claims for 254 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 49 claims were for opioids.

  1. John Adams3,183
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium238 claims
  2. Levothyroxine Sodium133 claims
  3. Atorvastatin Calcium125 claims
  4. Amlodipine Besylate109 claims
  5. Gabapentin106 claims
  6. Trazodone Hcl103 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: $1,786.61

110 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Adams$1,786.61
  2. Specialty average$1,303.06

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

  1. Legacy Healthcare Services IncSpring, TX
  2. Medical Colleagues OF Texas LLPKaty, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Richards Adams among 9,175 internal medicine physician records in Texas

John Richards Adams, M.D is one of 9,175 internal medicine physician records with a practice address in Texas. 82% 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, 91% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1997 · median 2004 among the 6,088 with a school on file
  • Record last updated2017 · 49% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

54 internal medicine physician records list a practice address in Katy

They are 54 of the 5,078 NPPES records with a practice address in Katy, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Cynthia Cotton, MDKaty, TX 774501851491757
  2. Vijayshekar Elati, M.D.Katy, TX 774501124105937
  3. Harold Gottlieb, M.D.Katy, TX 774501336133081
  4. Anuradha Kantamani, M.D.Katy, TX 774501649244054
  5. Kevin Kendall, M.D.Katy, TX 774501639356819
  6. Azmat Khan, MDKaty, TX 774501407927486
  7. Syed Madni, MDKaty, TX 774501427222389
  8. Willy Pezzia, M.D.Katy, TX 774501982604575

Common questions

What is John Richards Adams, M.D's NPI number?

John Richards Adams, M.D's National Provider Identifier (NPI) is 1922006410, issued on Jul 8, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John Richards Adams, M.D located?

The NPPES record lists a practice address at 21700 Kingsland Blvd, Katy, TX, 77450. Phone: (281) 398-7954. Providers update this record themselves, so call before visiting.

How can I verify John Richards Adams, M.D's license?

NPPES lists Texas license number K9956, 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 Richards Adams, M.D prescribe under Medicare Part D?

In 2024, John Richards Adams, M.D had 3,183 Medicare Part D claims for 254 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.