Diana Alexandra Shellmer, PHD
Psychologist · Pittsburgh, PA
Diana Alexandra Shellmer, PHD is a psychologist with a practice address in Pittsburgh, Pennsylvania, and NPI 1457429235, issued on Dec 1, 2006. Check the license (Pennsylvania PS016093, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diana Alexandra Shellmer
- Credential
- PHD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- PS016093 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3420 Fifth Avenue, Pittsburgh, PA 15213
- Phone
- (412) 692-8664
- Enumerated
- Dec 1, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (412) 692-8605
- Entity
- Type 1 · individual
8 nearest psychologist records → All 2,687 in Pennsylvania → Look up another NPI →
Also registered at 3420 Fifth Avenue
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Verify Diana Alexandra Shellmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license PS016093Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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).
Diana Alexandra Shellmer among 2,687 psychologist records in Pennsylvania
Diana Alexandra Shellmer, PHD is one of 2,687 psychologist records with a practice address in Pennsylvania. 13% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 67% newer
- In a Medicare fileYes · 13% of these records are
- In the CMS Doctors and Clinicians fileNo · 22% of these records are
- Record last updated2007 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychologist providers in Pennsylvania
There are 2,687 psychologist records in Pennsylvania.
All 2,687 in Pennsylvania → Every provider in Pittsburgh → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Jill Cyranowski, PHDPittsburgh, PA 152131881666493
- Ellen Frank, PHDPittsburgh, PA 152131447223185
- Lawrence Glanz, PH DPittsburgh, PA 152131881657112
- Pamela Gonzalez, PH.D.Pittsburgh, PA 152131134177249
- Tad GorskePittsburgh, PA 152131215985726
- Sally Hoyle, PHDPittsburgh, PA 152131114970134
- William Kraft, PH.D.Pittsburgh, PA 152131821059585
- Gregory Nicosia, PH.D.Pittsburgh, PA 152131942202650
Common questions
What is Diana Alexandra Shellmer, PHD's NPI number?
Diana Alexandra Shellmer, PHD's National Provider Identifier (NPI) is 1457429235, issued on Dec 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diana Alexandra Shellmer, PHD located?
The NPPES record lists a practice address at 3420 Fifth Avenue, Pittsburgh, PA, 15213. Phone: (412) 692-8664. Providers update this record themselves, so call before visiting.
How can I verify Diana Alexandra Shellmer, PHD's license?
NPPES lists Pennsylvania license number PS016093, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
What is Diana Alexandra Shellmer, PHD'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.