Madeline Nykamp, MD
Psychiatry Physician · Sacramento, CA
Madeline Nykamp, MD is a psychiatry physician with a practice address in Sacramento, California, and NPI 1821659103, issued on Jun 26, 2019. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Madeline Nykamp
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 2019019527 MO
Self-reported in NPPES; status is on the state search - Practice location
- 2230 Stockton Blvd, Sacramento, CA 95817
- Phone
- (916) 734-5514
- Enumerated
- Jun 26, 2019
- Record last updated
- Jun 12, 2023
- Medicare enrollment
- Enrolled (PECOS I20240827003349); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 2230 Stockton Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sophia AbdouStudent in an Organized Health Care Education/Training Program1780347393
- Mary-Ann Abraham, M.D.Geriatric Psychiatry Physician1437503117
- Nupoor AdhikariAdult Companion1710766456
- Yovanna AguileraCounselor1124542964
- Rashid AkbariStudent in an Organized Health Care Education/Training Program1235069188
- Marina AlbuquerqueCase Manager/Care Coordinator1285367961
Verify Madeline Nykamp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average psychiatry physician in 2024
65 Medicare Part D claims, against an average of 1,000 among the 35,054 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.
Bills Medicare through one group practice
- District Medical Group IncPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Madeline Nykamp among 8,673 psychiatry physician records in California
Madeline Nykamp, MD is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 85% of them.
- NPI issued2019 · 85% of these records are older, 13% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2019 · median 2005 among the 3,295 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
331 psychiatry physician records list a practice address in Sacramento
They are 331 of the 33,083 NPPES records with a practice address in Sacramento, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Sacramento → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- James Bourgeois, M.D.Sacramento, CA 958171982686374
- Cameron Carter, M.D.Sacramento, CA 958171609851989
- Robert Hales, M.D.Sacramento, CA 958171447232764
- Richard Maddock, M.D.Sacramento, CA 958171841274677
- Robert McCarron, D.O.Sacramento, CA 958171831173087
- Thomas Nordahl, M.D., PH.D.Sacramento, CA 958171831174747
- John Onate, M.D.Sacramento, CA 958171497730014
- Murat Pakyurek, M.D.Sacramento, CA 958171174507735
Common questions
What is Madeline Nykamp, MD's NPI number?
Madeline Nykamp, MD's National Provider Identifier (NPI) is 1821659103, issued on Jun 26, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Madeline Nykamp, MD located?
The NPPES record lists a practice address at 2230 Stockton Blvd, Sacramento, CA, 95817. Phone: (916) 734-5514. Providers update this record themselves, so call before visiting.
How can I verify Madeline Nykamp, MD's license?
Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Madeline Nykamp, MD prescribe under Medicare Part D?
In 2024, Madeline Nykamp, MD had 65 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.