John Adams, M.D
Internal Medicine Physician · Katy, TX
John 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.
- Name
- John 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
- Entity
- Type 1 · individual
Also registered at 21700 Kingsland Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sankaranarayan Alagugurusamy, M.D.Emergency Medicine Physician1437159696
- Paul Bing, M.DPulmonary Disease Physician1376541870
- William CurrieGastroenterology Physician1093713596
- Crystal Durand, FNP-CFamily Nurse Practitioner1851832794
- Cassie EkdahlNurse Practitioner1457719775
- Jane Ellis, RN, MSN, NPWomen's Health Nurse Practitioner1255320040
Verify John Adams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K9956Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
14% more Medicare Part D claims than the average internal medicine physician in 2024
3,183 Medicare Part D claims for 254 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 49 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium238 claims
- Levothyroxine Sodium133 claims
- Atorvastatin Calcium125 claims
- Amlodipine Besylate109 claims
- Gabapentin106 claims
- 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, mostly food and beverage; the largest payer was Abbott Laboratories. The 65,274 providers of this specialty with any payment received $2,536.66 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.
2 hospital and facility affiliations
- Legacy Healthcare Services IncSpring, TX
- Medical Colleagues OF Texas LLPKaty, TX
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
79 internal medicine physician records list a Katy practice address
They are 79 of the 5,078 NPPES records with a Katy practice address, and 11,069 internal medicine physician records in Texas.
All 79 in Katy → All 11,069 in Texas → Every provider in Katy →
Other internal medicine physician records in Texas
- Muhammad A. Sattar, MDDallas, TX1760465553
- Gayatri Aaluri, MDGalveston, TX1821928508
- Anunaya AashishDenton, TX1134246374
- Queenie Ann Abad, M.D.San Antonio, TX1174979785
- Fuad Abaleka, M.DLubbock, TX1861925596
- Carol Abalihi, M.D.El Paso, TX1326136243
- Pedro Abanto, M.D.McAllen, TX1982840393
- Oliverio Abarca Guzman, MDHarlingen, TX1346972940
- Obinna Abaribe, M.DMansfield, TX1457704355
- Enyinnaya Abarikwu, MDTyler, TX1174788178
Common questions
What is John Adams, M.D's NPI number?
John 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 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 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 Adams, M.D prescribe under Medicare Part D?
In 2024, John Adams, M.D had 3,183 Medicare Part D claims for 254 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.