NPPES file of Aug 9, 2026

Perry Wallach, MD

Physical Medicine & Rehabilitation Physician · Austin, TX

Perry Wallach, MD is a physical medicine & rehabilitation physician with a practice address in Austin, Texas, and NPI 1538115431, issued on May 25, 2006. Check the license (Texas M3420, as entered in NPPES) on the Texas Medical Board; 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
1538115431
Name
Perry Wallach
Credential
MD
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License number
M3420 TX
Self-reported in NPPES; status is on the state search
Practice location
901 W Ben White Blvd, Austin, TX 78704
Phone
(512) 447-2211
Enumerated
May 25, 2006
Record last updated
Aug 3, 2026
Fax
(512) 628-3367
Medicaid ID
181008701 TX
Medicare enrollment
Enrolled (PECOS I20060509000306); 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.
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Also registered at 901 W Ben White Blvd

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

  1. Shane Ali, MDEmergency Medicine Physician1477012235
  2. Ryan Allen, M.D.Emergency Medical Services (Emergency Medicine) Physician1235181926
  3. Ashley Attanucci, PA-CPhysician Assistant1639648397
  4. Terah BarnesStudent in an Organized Health Care Education/Training Program1235077744
  5. Sami Bedri, M.D.Hospitalist Physician1134574023
  6. Alyssa BentzPhysician Assistant1366258451

Verify Perry Wallach in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license M3420
    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 Texas license search

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94% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024

45 Medicare Part D claims for 27 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. 27 claims were for opioids.

  1. Perry Wallach45
  2. Specialty average727

Most prescribed

  1. Hydrocodone-Acetaminophen19 claims
  2. Naloxone Hcl12 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.

Bills Medicare through one group practice

  1. Pam Physician EnterpriseNew Braunfels, TX

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

Perry Wallach among 1,099 physical medicine & rehabilitation physician records in Texas

Perry Wallach, MD is one of 1,099 physical medicine & rehabilitation physician records with a practice address in Texas. 55% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 71% newer
  • In a Medicare fileYes · 55% of these records are
  • In the CMS Doctors and Clinicians fileYes · 47% of these records are
  • Graduated1988 · median 2006 among the 512 with a school on file
  • Record last updated2026 · 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 208100000X and a Texas 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 Texas

There are 1,099 physical medicine & rehabilitation physician records in Texas.

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

  1. Mark Bogar, M.D.Austin, TX 787041235100462
  2. Anand Joshi, M.D.Austin, TX 787041992716237
  3. Kaycee McElwee, PT, DPTAustin, TX 787041003329764
  4. Jon-Michael Ong, M.D.Austin, TX 787041659686947
  5. Tara Chilakamarri, M.D.Austin, TX 787051306165295
  6. Kylie Crisanti, MDAustin, TX 787051013658004
  7. Mary Gonzales, M.D.Austin, TX 787051609845957
  8. Steven Inano, M.D.Austin, TX 787051699037432

Common questions

What is Perry Wallach, MD's NPI number?

Perry Wallach, MD's National Provider Identifier (NPI) is 1538115431, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Perry Wallach, MD located?

The NPPES record lists a practice address at 901 W Ben White Blvd, Austin, TX, 78704. Phone: (512) 447-2211. Providers update this record themselves, so call before visiting.

How can I verify Perry Wallach, MD's license?

NPPES lists Texas license number M3420, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Perry Wallach, MD prescribe under Medicare Part D?

In 2024, Perry Wallach, MD had 45 Medicare Part D claims for 27 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. 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.