NPPES file of Aug 9, 2026

Marian Laniyan, CRNP

Family Nurse Practitioner · Baltimore, MD

Marian Laniyan, CRNP is a family nurse practitioner with a practice address in Baltimore, Maryland, and NPI 1285289553, issued on Aug 5, 2019. Check the license (Maryland R202829, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285289553
Name
Marian Laniyan
Credential
CRNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
R202829 MD
Self-reported in NPPES; status is on the state search
Practice location
3900 Loch Raven Blvd, Baltimore, MD 21218
Phone
(410) 605-7000
Enumerated
Aug 5, 2019
Record last updated
Aug 5, 2019 (not updated in 7 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3900 Loch Raven Blvd

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

  1. Courtney Allen, LGSWSocial Worker1205290608
  2. Keba Armstrong, CRNPFamily Nurse Practitioner1013089010
  3. Christine Avig, RNHospice Registered Nurse1942964879
  4. David Berman, LCSW-CClinical Social Worker1265543664
  5. Charles Brilliant, LCSW-CClinical Social Worker1689783946
  6. Paz Cabanero-Johnson, PTPhysical Therapist1588755474

Verify Marian Laniyan 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 R202829
    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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89% fewer Medicare Part D claims than the average family nurse practitioner in 2024

139 Medicare Part D claims, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Marian Laniyan139
  2. Specialty average1,305

Most prescribed

  1. Scopolamine29 claims
  2. Esomeprazole Magnesium25 claims
  3. Basaglar Kwikpen U-10017 claims
  4. Metformin Hcl13 claims
  5. Hydrochlorothiazide11 claims
  6. Losartan Potassium11 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.

Marian Laniyan among 4,124 family nurse practitioner records in Maryland

Marian Laniyan, CRNP is one of 4,124 family nurse practitioner records with a practice address in Maryland. 74% 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 50% of them.

  • NPI issued2019 · 50% of these records are older, 42% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2019 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

712 family nurse practitioner records list a practice address in Baltimore

They are 712 of the 35,183 NPPES records with a practice address in Baltimore, and 4,124 family nurse practitioner records in Maryland.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Keba Armstrong, CRNPBaltimore, MD 212181013089010
  2. Katrina Bailey, APRNBaltimore, MD 212181487835443
  3. Sarah Bayne, FNPBaltimore, MD 212181164673083
  4. Denika Buck, CRNPBaltimore, MD 212181255472148
  5. George Carter, NPBaltimore, MD 212181639516388
  6. Sara Cawrse, NP-CBaltimore, MD 212181851648034
  7. Bonnie Franckowiak, NPBaltimore, MD 212181932357985
  8. Kaysan Johnson-Owens, DNPBaltimore, MD 212181295979854

Common questions

What is Marian Laniyan, CRNP's NPI number?

Marian Laniyan, CRNP's National Provider Identifier (NPI) is 1285289553, issued on Aug 5, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Marian Laniyan, CRNP located?

The NPPES record lists a practice address at 3900 Loch Raven Blvd, Baltimore, MD, 21218. Phone: (410) 605-7000. Providers update this record themselves, so call before visiting.

How can I verify Marian Laniyan, CRNP's license?

NPPES lists Maryland license number R202829, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Marian Laniyan, CRNP prescribe under Medicare Part D?

In 2024, Marian Laniyan, CRNP had 139 Medicare Part D claims; the average among family nurse practitioner prescribers was 1,305. 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.