Catherine Wambui Githaiga, CRNP
Family Nurse Practitioner · Frederick, MD
Catherine Wambui Githaiga, CRNP is a family nurse practitioner with a practice address in Frederick, Maryland, and NPI 1346769643, issued on Sep 18, 2017. Check the license (Maryland R212530, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Wambui Githaiga
- Credential
- CRNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- R212530 MD
Self-reported in NPPES; status is on the state search - Practice location
- 814 Toll House Ave, Frederick, MD 21701
- Phone
- (301) 662-8310
- Enumerated
- Sep 18, 2017
- Record last updated
- Sep 18, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20260112003002); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,124 in Maryland → Look up another NPI →
Also registered at 814 Toll House Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Issa Lo, CRNPAcute Care Nurse Practitioner1013546100
Verify Catherine Wambui Githaiga in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R212530Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average family nurse practitioner in 2024
660 Medicare Part D claims for 62 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims. 98 claims were for opioids.
Most prescribed
- Tramadol Hcl40 claims
- Jardiance39 claims
- Furosemide29 claims
- Shingrix28 claims
- Hydralazine Hcl23 claims
- Metformin Hcl22 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.
Catherine Wambui Githaiga among 4,124 family nurse practitioner records in Maryland
Catherine Wambui Githaiga, 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 2017, is newer than 39% of them.
- NPI issued2017 · 39% of these records are older, 57% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2016 · median 2019 among the 2,370 with a school on file
- Record last updated2017 · 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).
136 family nurse practitioner records list a practice address in Frederick
They are 136 of the 3,981 NPPES records with a practice address in Frederick, and 4,124 family nurse practitioner records in Maryland.
All 4,124 in Maryland → Every provider in Frederick → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Adobea Asiam, CRNPFrederick, MD 217011659724623
- Stacy Bartolich, CRNPFrederick, MD 217011427434521
- Keisha Bernard, FNP-CFrederick, MD 217011821461849
- Nickeea Chalmers-ScottFrederick, MD 217011730582040
- Arden Cooper, FNP-BCFrederick, MD 217011528471455
- Kelly Llewellyn, CRNP, FNP-BCFrederick, MD 217011336578947
- Marla Mullen, CRNPFrederick, MD 217011457496911
- Nicole Mullendore, FNP-BCFrederick, MD 217011437409489
Common questions
What is Catherine Wambui Githaiga, CRNP's NPI number?
Catherine Wambui Githaiga, CRNP's National Provider Identifier (NPI) is 1346769643, issued on Sep 18, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Wambui Githaiga, CRNP located?
The NPPES record lists a practice address at 814 Toll House Ave, Frederick, MD, 21701. Phone: (301) 662-8310. Providers update this record themselves, so call before visiting.
How can I verify Catherine Wambui Githaiga, CRNP's license?
NPPES lists Maryland license number R212530, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Wambui Githaiga, CRNP prescribe under Medicare Part D?
In 2024, Catherine Wambui Githaiga, CRNP had 660 Medicare Part D claims for 62 beneficiaries; 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.