NPPES file of Aug 9, 2026

Linda T. Nguyen, M.D.

Endocrinology, Diabetes & Metabolism Physician · Rockville, MD

Linda T. Nguyen, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Rockville, Maryland, and NPI 1407104813, issued on Aug 16, 2012. Check the license (Maryland D87073, as entered in NPPES) on the Maryland Board of Physicians; 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
1407104813
Name
Linda T. Nguyen
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License numbers
D87073 MD
19060-875 WI
Self-reported in NPPES; status is on the state search
Practice location
1201 Seven Locks RD Ste 111, Rockville, MD 20854
Phone
(301) 762-5020
Enumerated
Aug 16, 2012
Record last updated
Jan 26, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(301) 294-7569
Medicaid ID
100102445 WI
Medicare enrollment
Enrolled (PECOS I20200407003625); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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8 nearest endocrinology, diabetes & metabolism physician records → All 314 in Maryland → Look up another NPI →

Also registered at 1201 Seven Locks RD Ste 111

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

  1. Maria Caccavo, MSN, CRNP, FNP-CFamily Nurse Practitioner1336859974
  2. Robert Chen, DOFamily Medicine Physician1538745021
  3. Allison Hockman, DOFamily Medicine Physician1952892127
  4. Stefanie Holtzer, NPAdult Health Nurse Practitioner1730895046
  5. Christina Johannessen, FNPFamily Nurse Practitioner1932862919
  6. Susan Kioko, NPAdult Health Nurse Practitioner1720491293

Verify Linda T. Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D87073    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 Maryland license search

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20% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

3,147 Medicare Part D claims for 383 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 48% of claims.

  1. Linda Nguyen3,147
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium301 claims
  2. Ozempic226 claims
  3. Metformin Hcl199 claims
  4. Lantus Solostar171 claims
  5. Trulicity126 claims
  6. Jardiance124 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: $613.62

26 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Linda Nguyen$613.62
  2. Specialty average$5,742.15

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

  1. Mary Washington Healthcare PhysiciansFredericksburg, VA

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

Linda T. Nguyen among 314 endocrinology, diabetes & metabolism physician records in Maryland

Linda T. Nguyen, M.D. is one of 314 endocrinology, diabetes & metabolism physician records with a practice address in Maryland. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 75% of them.

  • NPI issued2012 · 75% of these records are older, 22% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2014 · median 2003 among the 193 with a school on file
  • Record last updated2021 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Maryland

There are 314 endocrinology, diabetes & metabolism physician records in Maryland.

All 314 in Maryland → Every provider in Rockville → Endocrinology, Diabetes & Metabolism Physician nationwide →

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Rajaa Nahra, MDPotomac, MD 208541124021415
  2. Patricia Petrick, M.D.Potomac, MD 208541407859846
  3. Amy Rogstad, MDPotomac, MD 208541972638187
  4. Lisa Yanoff, M.D.Potomac, MD 208541679875850
  5. Archibald Mixson, M.D.Rockville, MD 208531588906499
  6. Yemul Almecci, MDRockville, MD 208521710184031
  7. Angeline Chong, M.D.Rockville, MD 208521578756730
  8. Michael Dempsey, M.D.Rockville, MD 208521730197229

Common questions

What is Linda T. Nguyen, M.D.'s NPI number?

Linda T. Nguyen, M.D.'s National Provider Identifier (NPI) is 1407104813, issued on Aug 16, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Linda T. Nguyen, M.D. located?

The NPPES record lists a practice address at 1201 Seven Locks RD Ste 111, Rockville, MD, 20854. Phone: (301) 762-5020. Providers update this record themselves, so call before visiting.

How can I verify Linda T. Nguyen, M.D.'s license?

NPPES lists Maryland license number D87073, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Linda T. Nguyen, M.D. prescribe under Medicare Part D?

In 2024, Linda T. Nguyen, M.D. had 3,147 Medicare Part D claims for 383 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.

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.