Jennifer Rachel Velasco, D.O., PH.D.
Internal Medicine Physician · Oak Lawn, IL
Jennifer Rachel Velasco, D.O., PH.D. is an internal medicine physician with a practice address in Oak Lawn, Illinois, and NPI 1639564743, issued on Apr 6, 2015. Check the license (Illinois 036.143846, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Jennifer Rachel Velasco
- Credential
- D.O., PH.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 036.143846 IL
036143846 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4440 W 95TH St, Oak Lawn, IL 60453
- Phone
- (708) 684-5673
- Enumerated
- Apr 6, 2015
- Record last updated
- Nov 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180525000871); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 4440 W 95TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Akram Abdoue, M.D.Anesthesiology Physician1992752489
- Ahmad Abdulla, MDEmergency Medicine Physician1467202556
- Joseph Abraham, CRNACertified Registered Nurse Anesthetist1831653401
- Katherine Absalon, MOT, OTR/LOccupational Therapist1457753436
- Tassneem Abu-Rezeq, DNP, APRN, CPNP-ACPediatric Nurse Practitioner1831904663
Verify Jennifer Rachel Velasco 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 036.143846Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,481 Medicare Part D claims for 282 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Hydroxychloroquine Sulfate257 claims
- Prednisone238 claims
- Methotrexate178 claims
- Sulfasalazine Dr138 claims
- Leflunomide75 claims
- Humira(Cf) Pen72 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: $20.53
1 payment: food and beverage; the largest payer was Medline Industries LP. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Central Dupage Physician GroupElgin, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennifer Rachel Velasco among 7,238 internal medicine physician records in Illinois
Jennifer Rachel Velasco, D.O., PH.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 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 2015, is newer than 61% of them.
- NPI issued2015 · 61% of these records are older, 37% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2015 · median 2003 among the 3,580 with a school on file
- Record last updated2021 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
173 internal medicine physician records list a practice address in Oak Lawn
They are 173 of the 2,993 NPPES records with a practice address in Oak Lawn, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Oak Lawn → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Chalupczak, M.D.Oak Lawn, IL 604531679505051
- Anupam Goel, MDOak Lawn, IL 604531013957570
- Joseph Kowalczyk, MDOak Lawn, IL 604531831166255
- Vinay Kumar, MDOak Lawn, IL 604531639138217
- Eugene Muzykansky, MDOak Lawn, IL 604531457328874
- Win Myint, MDOak Lawn, IL 604531063412062
- Robert Raines, MDOak Lawn, IL 604531164499596
- Mark Reiter, M.D.Oak Lawn, IL 604531902864408
Common questions
What is Jennifer Rachel Velasco, D.O., PH.D.'s NPI number?
Jennifer Rachel Velasco, D.O., PH.D.'s National Provider Identifier (NPI) is 1639564743, issued on Apr 6, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Rachel Velasco, D.O., PH.D. located?
The NPPES record lists a practice address at 4440 W 95TH St, Oak Lawn, IL, 60453. Phone: (708) 684-5673. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Rachel Velasco, D.O., PH.D.'s license?
NPPES lists Illinois license number 036.143846, 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 Jennifer Rachel Velasco, D.O., PH.D. prescribe under Medicare Part D?
In 2024, Jennifer Rachel Velasco, D.O., PH.D. had 1,481 Medicare Part D claims for 282 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.