Sharon A. Riddler, MD
Specialist · Pittsburgh, PA
Sharon A. Riddler, MD is a specialist with a practice address in Pittsburgh, Pennsylvania, and NPI 1558338889, issued on Mar 7, 2006. Check the license (Pennsylvania MD043833L, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sharon A. Riddler
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- MD043833L PA
Self-reported in NPPES; status is on the state search - Practice location
- 3601 5TH Ave, Pittsburgh, PA 15213
- Phone
- (412) 647-7228
- Enumerated
- Mar 7, 2006
- Record last updated
- Jul 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20100813000468); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1986
- Entity
- Type 1 · individual
8 nearest specialist records → All 2,031 in Pennsylvania → Look up another NPI →
Also registered at 3601 5TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rima Abdel MassihInternal Medicine Physician1003079914
- Christina Abriola, R.D.Registered Dietitian1356647507
- Susan Adamczyk, RDRegistered Dietitian1831524263
- Rohit Aggarwal, M.D.Rheumatology Physician1538340138
- Haruko Akatsu, MDSpecialist1922072370
- Charles Atwood, MDPulmonary Disease Physician1508838905
Verify Sharon A. Riddler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license MD043833LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average specialist in 2024
3,914 Medicare Part D claims for 152 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims. 80 claims were for opioids.
Most prescribed
- Biktarvy283 claims
- Atorvastatin Calcium205 claims
- Lisinopril145 claims
- Gabapentin104 claims
- Tivicay103 claims
- Rosuvastatin Calcium99 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): 77.5 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).
Bills Medicare through one group practice
- University OF Pittsburgh PhysiciansPittsburgh, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sharon A. Riddler among 2,031 specialist records in Pennsylvania
Sharon A. Riddler, MD is one of 2,031 specialist records with a practice address in Pennsylvania. 40% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 34% newer
- In a Medicare fileYes · 40% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1986 · median 1989 among the 547 with a school on file
- Record last updated2026 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
767 specialist records list a practice address in Pittsburgh
They are 767 of the 28,866 NPPES records with a practice address in Pittsburgh, and 2,031 specialist records in Pennsylvania.
All 2,031 in Pennsylvania → Every provider in Pittsburgh → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Raed Abdullah, MDPittsburgh, PA 152131962474353
- Howard Aizenstein, MDPittsburgh, PA 152131447222898
- Ali Al-Khafaji, MDPittsburgh, PA 152131992776348
- Louis AlarconPittsburgh, PA 152131306817705
- Cuneyt Alper, MDPittsburgh, PA 152131427029826
- Gulay AlperPittsburgh, PA 152131972575132
- Nikhil AmesurPittsburgh, PA 152131760453179
- Rajesh AnejaPittsburgh, PA 152131780656173
Common questions
What is Sharon A. Riddler, MD's NPI number?
Sharon A. Riddler, MD's National Provider Identifier (NPI) is 1558338889, issued on Mar 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sharon A. Riddler, MD located?
The NPPES record lists a practice address at 3601 5TH Ave, Pittsburgh, PA, 15213. Phone: (412) 647-7228. Providers update this record themselves, so call before visiting.
How can I verify Sharon A. Riddler, MD's license?
NPPES lists Pennsylvania license number MD043833L, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Sharon A. Riddler, MD prescribe under Medicare Part D?
In 2024, Sharon A. Riddler, MD had 3,914 Medicare Part D claims for 152 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Sharon A. Riddler, MD's MIPS final score?
The 2023 MIPS final score is 77.5 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.