Clark Olavi Andelin, MD
Obstetrics & Gynecology Physician · Quincy, IL
Clark Olavi Andelin, MD is an obstetrics & gynecology physician with a practice address in Quincy, Illinois, and NPI 1013114453, issued on Jun 29, 2007. Check the license (Illinois 036148618, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Clark Olavi Andelin
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 036148618 IL
2007019019 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1005 Broadway St, Quincy, IL 62301
- Phone
- (217) 223-8400
- Enumerated
- Jun 29, 2007
- Record last updated
- Jan 13, 2026
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 2,062 in Illinois → Look up another NPI →
Also registered at 1005 Broadway St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Ackell, MDNeurology Physician1942793237
- Donald Altgilbers, CRNFARegistered Nurse First Assistant1770848368
- Jeffrey Amport, M.D.Anesthesiology Physician1629462288
- Arthur Ankeney, MDEmergency Medicine Physician1508426131
- Muhammad Arshid, M.DNeurology Physician1043892631
- Deeanna Baird, NPFamily Nurse Practitioner1629635909
Verify Clark Olavi Andelin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036148618Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
129 Medicare Part D claims for 33 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Oxybutynin Chloride15 claims
- Estradiol12 claims
- Hydroxyzine Hcl12 claims
- Nystatin11 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: $24.09
2 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.
Clark Olavi Andelin among 2,062 obstetrics & gynecology physician records in Illinois
Clark Olavi Andelin, MD is one of 2,062 obstetrics & gynecology physician records with a practice address in Illinois. 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 46% of them.
- NPI issued2007 · 46% of these records are older, 47% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2026 · 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 Illinois 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 Illinois
There are 2,062 obstetrics & gynecology physician records in Illinois.
All 2,062 in Illinois → Every provider in Quincy → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Jessica Curry, M.D.Quincy, IL 623011467741355
- Louis Degreeff, M.D.Quincy, IL 623011457374605
- Gina Dietrich, D.O.Quincy, IL 623011184648974
- Peter Dureska, M.D.Quincy, IL 623011396718821
- Pamela Friye, D.O.Quincy, IL 623011639156383
- Ada Kagumba, M.D.Quincy, IL 623011356314728
- Obioma Maduakor, MDQuincy, IL 623011215179155
- Tanya Mero, M.D.Quincy, IL 623011669445052
Common questions
What is Clark Olavi Andelin, MD's NPI number?
Clark Olavi Andelin, MD's National Provider Identifier (NPI) is 1013114453, issued on Jun 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Clark Olavi Andelin, MD located?
The NPPES record lists a practice address at 1005 Broadway St, Quincy, IL, 62301. Phone: (217) 223-8400. Providers update this record themselves, so call before visiting.
How can I verify Clark Olavi Andelin, MD's license?
NPPES lists Illinois license number 036148618, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Clark Olavi Andelin, MD prescribe under Medicare Part D?
In 2024, Clark Olavi Andelin, MD had 129 Medicare Part D claims for 33 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.