NPPES file of Aug 9, 2026

Maria F. Twichell, MD

Physical Medicine & Rehabilitation Physician · Pittsburgh, PA

Maria F. Twichell, MD is a physical medicine & rehabilitation physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1154581387, issued on Jun 11, 2008. Check the license (Pennsylvania MD439914, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1154581387
Name
Maria F. Twichell
Credential
MD
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License number
MD439914 PA
Self-reported in NPPES; status is on the state search
Practice location
3471 5TH Ave, Pittsburgh, PA 15213
Phone
(412) 648-6138
Enumerated
Jun 11, 2008
Record last updated
Nov 9, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(412) 692-2789
Medicaid ID
102476657 PA
Medicare enrollment
Enrolled (PECOS I20100716000294); accepts Medicare assignment
Medical or professional school
University Of Michigan Medical School, 2006
Telehealth
Offers telehealth (CMS)
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.
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Also registered at 3471 5TH Ave

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

  1. Samih Al Hayek, MDUrology Physician1518247428
  2. Sharvani Alajpur, MDStudent in an Organized Health Care Education/Training Program1740960913
  3. Kelley Anderson, DOSports Medicine (Family Medicine) Physician1528212271
  4. Margaret Andrzejewski, PA-CPhysician Assistant1578840468
  5. Mark BackerisAnesthesiology Physician1649407503
  6. Anto Bagic, MDEpilepsy Physician1851363170

Verify Maria F. Twichell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD439914
    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 Pennsylvania 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.

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9% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024

662 Medicare Part D claims for 75 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 24 claims were for opioids.

  1. Maria Twichell662
  2. Specialty average727

Most prescribed

  1. Gabapentin79 claims
  2. Baclofen52 claims
  3. Clonazepam39 claims
  4. Dextroamphetamine-Amphetamine34 claims
  5. Amitriptyline Hcl28 claims
  6. Topiramate28 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.

  1. Qualityout of 100 · 30% of the final score68.6
  2. Costout of 100 · 30%56.4
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. University OF Pittsburgh PhysiciansPittsburgh, PA
  2. Vantage Physical Therapy And Rehabilitation IncJohnstown, PA

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

Maria F. Twichell among 875 physical medicine & rehabilitation physician records in Pennsylvania

Maria F. Twichell, MD is one of 875 physical medicine & rehabilitation physician records with a practice address in Pennsylvania. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 48% of them.

  • NPI issued2008 · 48% of these records are older, 48% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated2006 · median 2005 among the 451 with a school on file
  • Record last updated2015 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physical Medicine & Rehabilitation Physician providers in Pennsylvania

There are 875 physical medicine & rehabilitation physician records in Pennsylvania.

The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes

  1. Justin BertholdPittsburgh, PA 152131558681585
  2. Timothy Burg, D.O.Pittsburgh, PA 152131891028304
  3. Jason EdingerPittsburgh, PA 152131952519613
  4. Gary GalangPittsburgh, PA 152131912949090
  5. Eric HelmPittsburgh, PA 152131205090818
  6. Max HurwitzPittsburgh, PA 152131184003527
  7. Molly KrausePittsburgh, PA 152131689053506
  8. Joseph Kwok, D.O.Pittsburgh, PA 152131003019936

Common questions

What is Maria F. Twichell, MD's NPI number?

Maria F. Twichell, MD's National Provider Identifier (NPI) is 1154581387, issued on Jun 11, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Maria F. Twichell, MD located?

The NPPES record lists a practice address at 3471 5TH Ave, Pittsburgh, PA, 15213. Phone: (412) 648-6138. Providers update this record themselves, so call before visiting.

How can I verify Maria F. Twichell, MD's license?

NPPES lists Pennsylvania license number MD439914, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Maria F. Twichell, MD prescribe under Medicare Part D?

In 2024, Maria F. Twichell, MD had 662 Medicare Part D claims for 75 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.

What is Maria F. Twichell, 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.