Martha Fern Southwick, NP
Family Nurse Practitioner · Salt Lake City, UT
Martha Fern Southwick, NP is a family nurse practitioner with a practice address in Salt Lake City, Utah, and NPI 1568685550, issued on Apr 10, 2007. Check the license (Utah 2000204405, as entered in NPPES) with the Utah board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Martha Fern Southwick
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 2000204405 UT
Self-reported in NPPES; status is on the state search - Practice location
- 6575 S Redwood RD Ste 240, Salt Lake City, UT 84123
- Phone
- (801) 432-7712
- Enumerated
- Apr 10, 2007
- Record last updated
- Aug 8, 2026
- Medicaid ID
- 1017129 UT
- Medicare enrollment
- Enrolled (PECOS I20180212001929); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,167 in Utah → Look up another NPI →
Verify Martha Fern Southwick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Utah board licenses this profession
Search for license 2000204405Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average family nurse practitioner in 2024
495 Medicare Part D claims for 60 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium63 claims
- Progesterone44 claims
- Trazodone Hcl30 claims
- Liothyronine Sodium24 claims
- Lisinopril20 claims
- Duloxetine Hcl18 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: $471.78
25 payments; by number, the most common kind was food and beverage; the largest payer was Idorsia Pharmaceuticals US 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
- Mindful Healing LLCSalt Lake City, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Martha Fern Southwick among 2,167 family nurse practitioner records in Utah
Martha Fern Southwick, NP is one of 2,167 family nurse practitioner records with a practice address in Utah. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 6% of them.
- NPI issued2007 · 6% of these records are older, 89% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated1998 · median 2020 among the 1,159 with a school on file
- Record last updated2026 · 40% 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 Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
445 family nurse practitioner records list a practice address in Salt Lake City
They are 445 of the 21,563 NPPES records with a practice address in Salt Lake City, and 2,167 family nurse practitioner records in Utah.
All 2,167 in Utah → Every provider in Salt Lake City → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Jennifer Bell, FNPMurray, UT 841231184726911
- Linda Cox, APRNSalt Lake City, UT 841231255353587
- Peggy Fischer, NPSalt Lake City, UT 841231013388958
- Robyn Johnson, FNP-BCTaylorsville, UT 841231750511457
- Aubrey KruismanSalt Lake City, UT 841231922593722
- Hannah Reed, APRNSalt Lake City, UT 841231578132734
- Leisa Sanchez, FNP-CMurray, UT 841231902022502
- Carol Stowell, FNPMurray, UT 841231376797761
Common questions
What is Martha Fern Southwick, NP's NPI number?
Martha Fern Southwick, NP's National Provider Identifier (NPI) is 1568685550, issued on Apr 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Martha Fern Southwick, NP located?
The NPPES record lists a practice address at 6575 S Redwood RD Ste 240, Salt Lake City, UT, 84123. Phone: (801) 432-7712. Providers update this record themselves, so call before visiting.
How can I verify Martha Fern Southwick, NP's license?
NPPES lists Utah license number 2000204405, as entered by the provider. Search the Utah board that licenses this profession; the NPPES record confirms identity only.
How much does Martha Fern Southwick, NP prescribe under Medicare Part D?
In 2024, Martha Fern Southwick, NP had 495 Medicare Part D claims for 60 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.