Ericka Shannon Sikkenga, D.O.
Obstetrics & Gynecology Physician · Muskegon, MI
Ericka Shannon Sikkenga, D.O. is an obstetrics & gynecology physician with a practice address in Muskegon, Michigan, and NPI 1952520736, issued on Apr 24, 2007. Check the license (Michigan 5101015950, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Ericka Shannon Sikkenga
- Credential
- D.O.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 5101015950 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1675 Leahy St, Muskegon, MI 49442
- Phone
- (231) 672-3300
- Enumerated
- Apr 24, 2007
- Record last updated
- Jan 10, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (231) 672-3380
- Medicare enrollment
- Enrolled (PECOS I20080827000710); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2004
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,776 in Michigan → Look up another NPI →
Also registered at 1675 Leahy St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Keith Abraham, NPAdult Health Nurse Practitioner1669098810
- David AlvesCommunity Health Worker1811305881
- Sara Andrews, DOObstetrics & Gynecology Physician1225440373
- Gustav Barkett, DOObstetrics & Gynecology Physician1962494005
- Meredith Best, PACPhysician Assistant1023129517
- Jessica Cederquist, ATCAthletic Trainer1861456063
Verify Ericka Shannon Sikkenga in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101015950Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
242 Medicare Part D claims for 81 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol59 claims
- Clobetasol Propionate19 claims
- Estradiol (Twice Weekly)14 claims
- Valacyclovir13 claims
- Oxybutynin Chloride12 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: $772.57
29 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- Mercy Health Partners-Obstetrics And Gynecology SpecialistMuskegon, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ericka Shannon Sikkenga among 1,776 obstetrics & gynecology physician records in Michigan
Ericka Shannon Sikkenga, D.O. is one of 1,776 obstetrics & gynecology physician records with a practice address in Michigan. 73% 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 43% of them.
- NPI issued2007 · 43% of these records are older, 49% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2004 · median 2007 among the 1,003 with a school on file
- Record last updated2012 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Michigan
There are 1,776 obstetrics & gynecology physician records in Michigan.
All 1,776 in Michigan → Every provider in Muskegon → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Sara Andrews, DOMuskegon, MI 494421225440373
- Gustav Barkett, DOMuskegon, MI 494421962494005
- Katherine Betcher, M.D.Muskegon, MI 494421164862033
- Gary Doublestein, D.O.Muskegon, MI 494421760445571
- Tony Gale Butto, DOMuskegon, MI 494421447255658
- Suzanne Galloway, M.D.Muskegon, MI 494421033319181
- Kristen Lawrence, MDMuskegon, MI 494421669464731
- Katherine McCormick, M.DMuskegon, MI 494421093147241
Common questions
What is Ericka Shannon Sikkenga, D.O.'s NPI number?
Ericka Shannon Sikkenga, D.O.'s National Provider Identifier (NPI) is 1952520736, issued on Apr 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ericka Shannon Sikkenga, D.O. located?
The NPPES record lists a practice address at 1675 Leahy St, Muskegon, MI, 49442. Phone: (231) 672-3300. Providers update this record themselves, so call before visiting.
How can I verify Ericka Shannon Sikkenga, D.O.'s license?
NPPES lists Michigan license number 5101015950, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ericka Shannon Sikkenga, D.O. prescribe under Medicare Part D?
In 2024, Ericka Shannon Sikkenga, D.O. had 242 Medicare Part D claims for 81 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.