Maryann Simpson, N.P.
Nurse Practitioner · Folsom, CA
Maryann Simpson, N.P. is a nurse practitioner with a practice address in Folsom, California, and NPI 1548246846, issued on Dec 19, 2005. Check the license (California 0006886, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maryann Simpson
- Credential
- N.P.
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 0006886 CA
Self-reported in NPPES; status is on the state search - Practice location
- 271 Turn Pike Dr, Folsom, CA 95630
- Phone
- (916) 985-9200
- Enumerated
- Dec 19, 2005
- Record last updated
- Nov 30, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 271 Turn Pike Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amanda Camposagrado, M.D.Internal Medicine Physician1780669945
- Divya Chhabra, M.B.B.S,MMSCPediatric Pulmonology Physician1508242215
- Nancy Jaeger, MDFamily Medicine Physician1518957992
- James Kiley, M.D.Internal Medicine Physician1356351787
- Martha Kohler, L.C.S.W.Social Worker1861407728
- Michele Limoges, NPNurse Practitioner1932122009
Verify Maryann Simpson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 0006886Check 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 nurse practitioner in 2024
72 Medicare Part D claims for 18 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium24 claims
- Progesterone19 claims
- Liothyronine Sodium18 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.
Maryann Simpson among 8,223 nurse practitioner records in California
Maryann Simpson, N.P. is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2007 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nurse Practitioner providers in California
There are 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Folsom → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Christine Cooper, R.N.N.P.Folsom, CA 956301902861263
- Jaya George, NPFolsom, CA 956301184850612
- Hope Grigorets, FNP-CFolsom, CA 956301639048689
- Cheryl Hayes-Bartlett, RN, MN, FNP-CFolsom, CA 956301083694517
- Willa Illustrisimo, MSN, FNP-CFolsom, CA 956301386107688
- Soo Kang, PMHNPFolsom, CA 956301356983670
- Debra Kauffman, FNPFolsom, CA 956301932185246
- Patricia King, NPFolsom, CA 956301053417329
Common questions
What is Maryann Simpson, N.P.'s NPI number?
Maryann Simpson, N.P.'s National Provider Identifier (NPI) is 1548246846, issued on Dec 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Maryann Simpson, N.P. located?
The NPPES record lists a practice address at 271 Turn Pike Dr, Folsom, CA, 95630. Phone: (916) 985-9200. Providers update this record themselves, so call before visiting.
How can I verify Maryann Simpson, N.P.'s license?
NPPES lists California license number 0006886, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Maryann Simpson, N.P. prescribe under Medicare Part D?
In 2024, Maryann Simpson, N.P. had 72 Medicare Part D claims for 18 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.