NPPES file of Aug 9, 2026

Guoyu Ling, M.D.

Endocrinology, Diabetes & Metabolism Physician · Saint Louis, MO

Guoyu Ling, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Saint Louis, Missouri, and NPI 1104112994, issued on Jun 21, 2011. Check the license (Missouri 2014021719, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104112994
Name
Guoyu Ling
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
2014021719 MO
Self-reported in NPPES; status is on the state search
Practice location
1225 S Grand Blvd FL 2, Saint Louis, MO 63104
Phone
(314) 977-6157
Enumerated
Jun 21, 2011
Record last updated
May 23, 2025
Fax
(314) 977-5177
Medicare enrollment
Enrolled (PECOS I20140807000538); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1225 S Grand Blvd FL 2

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sandeep Dhindsa, M.D.Endocrinology, Diabetes & Metabolism Physician1881747301
  2. John Salomone, MDAllergy & Immunology (Internal Medicine) Physician1033777578
  3. Kento Sonoda, M.D., A.A.H.I.V.S.Family Medicine Physician1265926661

Verify Guoyu Ling in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2014021719
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

20% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

2,103 Medicare Part D claims for 273 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 58% of claims.

  1. Guoyu Ling2,103
  2. Specialty average2,630

Most prescribed

  1. Ozempic299 claims
  2. Levothyroxine Sodium187 claims
  3. Lantus Solostar137 claims
  4. Jardiance122 claims
  5. Metformin Hcl Er91 claims
  6. Humalog Kwikpen U-10061 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: $96.35

4 payments; by number, the most common kind was food and beverage; the largest payer was Radius Health, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Guoyu Ling$96.35
  2. Specialty average$5,742.15

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

  1. Ssm Health Care GroupSaint Louis, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Guoyu Ling among 206 endocrinology, diabetes & metabolism physician records in Missouri

Guoyu Ling, M.D. is one of 206 endocrinology, diabetes & metabolism physician records with a practice address in Missouri. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 71% of them.

  • NPI issued2011 · 71% of these records are older, 26% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1994 · median 2003 among the 148 with a school on file
  • Record last updated2025 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Missouri

There are 206 endocrinology, diabetes & metabolism physician records in Missouri.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Sandeep Dhindsa, M.D.Saint Louis, MO 631041881747301
  2. Iqra Iqbal, M.D.Saint Louis, MO 631041104353614
  3. Shellsea Portillo Canales, MDSaint Louis, MO 631041023629748
  4. Ekta Shrestha, MDSaint Louis, MO 631041730665423
  5. Eliot Katz, M.D.Saint Louis, MO 631061144285404
  6. Brian Muegge, MDSaint Louis, MO 631061053757484
  7. Humaira Naseer, M.D.Saint Louis, MO 631061205917556
  8. Nicholas Yozamp, MDSaint Louis, MO 631081275914475

Common questions

What is Guoyu Ling, M.D.'s NPI number?

Guoyu Ling, M.D.'s National Provider Identifier (NPI) is 1104112994, issued on Jun 21, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Guoyu Ling, M.D. located?

The NPPES record lists a practice address at 1225 S Grand Blvd FL 2, Saint Louis, MO, 63104. Phone: (314) 977-6157. Providers update this record themselves, so call before visiting.

How can I verify Guoyu Ling, M.D.'s license?

NPPES lists Missouri license number 2014021719, 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 Guoyu Ling, M.D. prescribe under Medicare Part D?

In 2024, Guoyu Ling, M.D. had 2,103 Medicare Part D claims for 273 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.