Cassandra Lehman Nayini, CRNP
Acute Care Nurse Practitioner · Baltimore, MD
Cassandra Lehman Nayini, CRNP is an acute care nurse practitioner with a practice address in Baltimore, Maryland, and NPI 1205374071, issued on Feb 1, 2017. Check the license (Maryland R173953, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cassandra Lehman Nayini
- Credential
- CRNP
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- R173953 MD
Self-reported in NPPES; status is on the state search - Practice location
- 22 S Greene St Bldg 9TH, Baltimore, MD 21201
- Phone
- (410) 328-7279
- Enumerated
- Feb 1, 2017
- Record last updated
- Sep 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (410) 328-7353
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 755 in Maryland → Look up another NPI →
Verify Cassandra Lehman Nayini in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R173953Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
34 Medicare Part D claims for 16 beneficiaries, against an average of 594 among the 13,133 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.
Cassandra Lehman Nayini among 755 acute care nurse practitioner records in Maryland
Cassandra Lehman Nayini, CRNP is one of 755 acute care nurse practitioner records with a practice address in Maryland. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 51% of them.
- NPI issued2017 · 51% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2021 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
423 acute care nurse practitioner records list a practice address in Baltimore
They are 423 of the 35,183 NPPES records with a practice address in Baltimore, and 755 acute care nurse practitioner records in Maryland.
All 755 in Maryland → Every provider in Baltimore → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Michelle Agostini, NPBaltimore, MD 212011346467610
- Lynn Dees, CRNPBaltimore, MD 212011265412316
- P Frawley, ACNPBaltimore, MD 212011215147814
- Colleen Gaffney, CRNPBaltimore, MD 212011295957579
- T. Nicole Kelley, RN, MS, CRNPBaltimore, MD 212011932241981
- Lou-Ellen Lallier, CRNPBaltimore, MD 212011649480096
- Benjamin Laughton, CRNPBaltimore, MD 212011902016512
- Melinda Lebrun, CRNPBaltimore, MD 212011639395932
Common questions
What is Cassandra Lehman Nayini, CRNP's NPI number?
Cassandra Lehman Nayini, CRNP's National Provider Identifier (NPI) is 1205374071, issued on Feb 1, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Cassandra Lehman Nayini, CRNP located?
The NPPES record lists a practice address at 22 S Greene St Bldg 9TH, Baltimore, MD, 21201. Phone: (410) 328-7279. Providers update this record themselves, so call before visiting.
How can I verify Cassandra Lehman Nayini, CRNP's license?
NPPES lists Maryland license number R173953, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Cassandra Lehman Nayini, CRNP prescribe under Medicare Part D?
In 2024, Cassandra Lehman Nayini, CRNP had 34 Medicare Part D claims for 16 beneficiaries; the average among acute care nurse practitioner prescribers was 594. 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.