Maria Joyce Lam
Psychiatric/Mental Health Nurse Practitioner · Houston, TX
Maria Joyce Lam is a psychiatric/mental health nurse practitioner with a practice address in Houston, Texas, and NPI 1023764248, issued on Feb 25, 2022. Check the license (Texas 1062862, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maria Joyce Lam
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 1062862 TX
Self-reported in NPPES; status is on the state search - Practice location
- 7887 Willow Chase Blvd, Houston, TX 77070
- Phone
- (832) 869-4818
- Enumerated
- Feb 25, 2022
- Record last updated
- Feb 25, 2022
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 4,227 in Texas → Look up another NPI →
Verify Maria Joyce Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 1062862Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
68 Medicare Part D claims for 14 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.
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: $22.55
1 payment: food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 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.
Maria Joyce Lam among 4,227 psychiatric/mental health nurse practitioner records in Texas
Maria Joyce Lam is one of 4,227 psychiatric/mental health nurse practitioner records with a practice address in Texas. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 52% of them.
- NPI issued2022 · 52% of these records are older, 39% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2022 · 18% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Nurse Practitioner providers in Texas
There are 4,227 psychiatric/mental health nurse practitioner records in Texas.
All 4,227 in Texas → Every provider in Houston → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Abolaji Adebimpe, NURSE PRACTITIONERHouston, TX 770701851666838
- Oluwaferanmi Afolabi, PMHNPHouston, TX 770701881011385
- Olukorede Akinbinu, PMHNP-BCHouston, TX 770701770835985
- Chiara AzucenaHouston, TX 770701649741562
- Jashunta Carson, APRN, PMHNP-BC, CRNPHouston, TX 770701760836399
- Kimberlin Dixon, FNP-CHouston, TX 770701285016592
- Deanne Garay, FNP-C, PMHNP-BCHouston, TX 770701417356387
- Stoni Johnston, APRN, MSN, PMHNP-BCHouston, TX 770701174073381
Common questions
What is Maria Joyce Lam's NPI number?
Maria Joyce Lam's National Provider Identifier (NPI) is 1023764248, issued on Feb 25, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Maria Joyce Lam located?
The NPPES record lists a practice address at 7887 Willow Chase Blvd, Houston, TX, 77070. Phone: (832) 869-4818. Providers update this record themselves, so call before visiting.
How can I verify Maria Joyce Lam's license?
NPPES lists Texas license number 1062862, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Maria Joyce Lam prescribe under Medicare Part D?
In 2024, Maria Joyce Lam had 68 Medicare Part D claims for 14 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.