NPPES file of Aug 9, 2026

Irene W. Njuguna, AGNP

Gerontology Nurse Practitioner · Perry Hall, MD

Irene W. Njuguna, AGNP is a gerontology nurse practitioner with a practice address in Perry Hall, Maryland, and NPI 1255893061, issued on Apr 1, 2019. Check the license (Maryland AG03190100, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255893061
Name
Irene W. Njuguna
Credential
AGNP
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License number
AG03190100 MD
Self-reported in NPPES; status is on the state search
Practice location
4307 Silver Spring RD, Perry Hall, MD 21128
Phone
(410) 948-5355
Enumerated
Apr 1, 2019
Record last updated
Apr 1, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200107000012); accepts Medicare assignment
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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Verify Irene W. Njuguna in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license AG03190100
    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
Find the Maryland license search

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45% more Medicare Part D claims than the average gerontology nurse practitioner in 2024

1,983 Medicare Part D claims for 158 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 349 claims were for opioids.

  1. Irene Njuguna1,983
  2. Specialty average1,369

Most prescribed

  1. Oxycodone Hcl238 claims
  2. Atorvastatin Calcium92 claims
  3. Clonazepam75 claims
  4. Lorazepam64 claims
  5. Furosemide58 claims
  6. Levothyroxine Sodium56 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 96.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costout of 100 · 30%56.0
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $17.10

1 payment: food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 3,903 providers of this specialty with any payment received $742.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Irene Njuguna$17.10
  2. Specialty average$742.05

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. Optimize Medical GroupPikesville, MD

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

Irene W. Njuguna among 199 gerontology nurse practitioner records in Maryland

Irene W. Njuguna, AGNP is one of 199 gerontology nurse practitioner records with a practice address in Maryland. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 52% of them.

  • NPI issued2019 · 52% of these records are older, 39% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 49% of these records are
  • Graduated2019 · median 2019 among the 98 with a school on file
  • Record last updated2019 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 gerontology nurse practitioner record lists a practice address in Perry Hall

They are 1 of the 145 NPPES records with a practice address in Perry Hall, and 199 gerontology nurse practitioner records in Maryland.

The 8 gerontology nurse practitioner records with the nearest ZIP codes

  1. Ella Krupitskaya, CRNPRandallstown, MD 211331578863312
  2. Michelle SakalaPasadena, MD 211221396523353
  3. Karen Sroka, GNPPasadena, MD 211221689661654
  4. Susan Scherr, C.R.N.P.Reisterstown, MD 211361093998478
  5. Laura WardReisterstown, MD 211361225646870
  6. Samson Arigbamu, CRNPOwings Mills, MD 211171033620398
  7. Blessing GabrielOwings Mills, MD 211171629504477
  8. Florence Sheriff, CRNPOwings Mills, MD 211171710775978

Common questions

What is Irene W. Njuguna, AGNP's NPI number?

Irene W. Njuguna, AGNP's National Provider Identifier (NPI) is 1255893061, issued on Apr 1, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Irene W. Njuguna, AGNP located?

The NPPES record lists a practice address at 4307 Silver Spring RD, Perry Hall, MD, 21128. Phone: (410) 948-5355. Providers update this record themselves, so call before visiting.

How can I verify Irene W. Njuguna, AGNP's license?

NPPES lists Maryland license number AG03190100, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Irene W. Njuguna, AGNP prescribe under Medicare Part D?

In 2024, Irene W. Njuguna, AGNP had 1,983 Medicare Part D claims for 158 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. Part D covers Medicare prescriptions only.

What is Irene W. Njuguna, AGNP's MIPS final score?

The 2023 MIPS final score is 96.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.