Katherine Deetta Greenwalt, FNP-C
Family Nurse Practitioner · Pasadena, CA
Katherine Deetta Greenwalt, FNP-C is a family nurse practitioner with a practice address in Pasadena, California, and NPI 1639763675, issued on Feb 20, 2021. Check the license (California 95027605, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Deetta Greenwalt
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 95027605 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1017 S Fair Oaks Ave, Pasadena, CA 91105
- Phone
- (626) 403-6200
- Enumerated
- Feb 20, 2021
- Record last updated
- Jul 13, 2024
- Fax
- (626) 403-2580
- Medicare enrollment
- Enrolled (PECOS I20240827003579); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1017 S Fair Oaks Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Edgar Fernando Abad, P.T.Physical Therapist1982784542
- Faith Adole, FNPFamily Nurse Practitioner1831626043
- Vibha Agrawal, MDPain Medicine (Physical Medicine & Rehabilitation) Physician1528196045
- Lona Amirkhanian, MSN, FNP-CFamily Nurse Practitioner1679402531
- Allison Brown, ATCAthletic Trainer1508227596
- Philip Corrado, PH.DCognitive & Behavioral Psychologist1326159997
Verify Katherine Deetta Greenwalt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95027605Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average family nurse practitioner in 2024
2,912 Medicare Part D claims for 368 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 1,376 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen542 claims
- Oxycodone-Acetaminophen267 claims
- Gabapentin241 claims
- Celecoxib213 claims
- Baclofen156 claims
- Lidocaine148 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: $724.28
41 payments; by number, the most common kind was food and beverage; the largest payer was Collegium Pharmaceutical, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- The Oncology Institute CA, A Professional CorporationBurbank, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
107 family nurse practitioner records list a practice address in Pasadena
They are 107 of the 10,525 NPPES records with a practice address in Pasadena, and 16,966 family nurse practitioner records in California.
All 107 in Pasadena → All 16,966 in California → Every provider in Pasadena →
Other family nurse practitioner records in California
- Danielle Aaroe, FAMILY NURSE PRACTITOroville, CA1750767083
- Joshua AaronMission Hills, CA1477291805
- Orly Aaron, NPSan Francisco, CA1376912451
- Paris Gilbert Russ AaronSacramento, CA1871079111
- Tiffanne Aaronsen, FNPIndio, CA1568191807
- Alvin Joseph Abad, FNP-CSan Francisco, CA1154919306
- Frances Abad, FNPLos Angeles, CA1053504514
- Nnenna AbaezeLong Beach, CA1457820763
- Raymond Abagat, FNPTorrance, CA1306685821
- Ashley AbalCastaic, CA1740140698
Common questions
What is Katherine Deetta Greenwalt, FNP-C's NPI number?
Katherine Deetta Greenwalt, FNP-C's National Provider Identifier (NPI) is 1639763675, issued on Feb 20, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Deetta Greenwalt, FNP-C located?
The NPPES record lists a practice address at 1017 S Fair Oaks Ave, Pasadena, CA, 91105. Phone: (626) 403-6200. Providers update this record themselves, so call before visiting.
How can I verify Katherine Deetta Greenwalt, FNP-C's license?
NPPES lists California license number 95027605, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Deetta Greenwalt, FNP-C prescribe under Medicare Part D?
In 2024, Katherine Deetta Greenwalt, FNP-C had 2,912 Medicare Part D claims for 368 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.