Zhen Ren, MD
Allergy & Immunology Physician · Saint Louis, MO
Zhen Ren, MD is an allergy & immunology physician with a practice address in Saint Louis, Missouri, and NPI 1982026696, issued on Jan 15, 2014. Check the license (Missouri 2017028834, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Zhen Ren
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- 2017028834 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1110 Highlands Plaza Dr E, Saint Louis, MO 63110
- Phone
- (314) 273-5838
- Enumerated
- Jan 15, 2014
- Record last updated
- Apr 17, 2025
- Fax
- (314) 273-5839
- Medicaid ID
- 200062435 MO
- Medicare enrollment
- Enrolled (PECOS I20181019001801); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 36 in Missouri → Look up another NPI →
Also registered at 1110 Highlands Plaza Dr E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Khaled Abdel-Hamid, MDAllergy & Immunology Physician1679591572
- Megan Bagheri, FNPFamily Nurse Practitioner1700275120
- Thomas Bartholet, MDInternal Medicine Physician1750325742
- Matthew Bonzelet, M.D.Internal Medicine Physician1861626574
- William Bowen, MDCardiovascular Disease Physician1609815950
- Margaret Gray-Swain, MDObstetrics & Gynecology Physician1245267178
Verify Zhen Ren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2017028834Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
283 Medicare Part D claims for 48 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D.
Most prescribed
- Hizentra36 claims
- Azelastine Hcl31 claims
- Famotidine31 claims
- Montelukast Sodium23 claims
- Xolair22 claims
- Breo Ellipta15 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $103.45
1 payment: food and beverage; the largest payer was BioCryst US Sales Co., LLC. The 2,496 providers of this specialty with any payment received $8,321.81 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
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zhen Ren among 36 allergy & immunology physician records in Missouri
Zhen Ren, MD is one of 36 allergy & immunology physician records with a practice address in Missouri. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 86% of them.
- NPI issued2014 · 86% of these records are older, 6% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2001 · median 2002 among the 23 with a school on file
- Record last updated2025 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Missouri
There are 36 allergy & immunology physician records in Missouri.
All 36 in Missouri → Every provider in Saint Louis → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Khaled Abdel-Hamid, MDSaint Louis, MO 631101679591572
- Ritu Gupta, M.D.St Louis, MO 631101083810808
- Jeremy Katcher, MDSaint Louis, MO 631101124235239
- Ashley Emmert, MDSaint Louis, MO 631091699948745
- Ravneet Donegan, M.D.Saint Louis, MO 631041497041735
- Michael Borts, M.D.Saint Louis, MO 631271912991753
- Manoj Warrier, M.D.Saint Louis, MO 631271699724161
- Barry Cooper, MDSaint Louis, MO 631281609876366
Common questions
What is Zhen Ren, MD's NPI number?
Zhen Ren, MD's National Provider Identifier (NPI) is 1982026696, issued on Jan 15, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Zhen Ren, MD located?
The NPPES record lists a practice address at 1110 Highlands Plaza Dr E, Saint Louis, MO, 63110. Phone: (314) 273-5838. Providers update this record themselves, so call before visiting.
How can I verify Zhen Ren, MD's license?
NPPES lists Missouri license number 2017028834, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Zhen Ren, MD prescribe under Medicare Part D?
In 2024, Zhen Ren, MD had 283 Medicare Part D claims for 48 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
What is Zhen Ren, MD's MIPS final score?
The 2023 MIPS final score is 79.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.