NPPES file of Aug 9, 2026

Sahij Singh Grewal, OD

Optometrist · Indianapolis, IN

Sahij Singh Grewal, OD is an optometrist with a practice address in Indianapolis, Indiana, and NPI 1922765122, issued on Nov 22, 2021. Check the license (Indiana 18004312B, as entered in NPPES) with the Indiana board that licenses this profession; 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
1922765122
Name
Sahij Singh Grewal
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
18004312B IN
Self-reported in NPPES; status is on the state search
Practice location
10777 E Washington St Ste A, Indianapolis, IN 46229
Phone
(317) 897-0480
Enumerated
Nov 22, 2021
Record last updated
Nov 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20221104001408); accepts Medicare assignment
Medical or professional school
Indiana University - School Of Optometry, 2021
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 10777 E Washington St Ste A

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

  1. Keely Brouhard, ODOptometrist1023794591
  2. John Venezia, O.D.Optometrist1720366248

Verify Sahij Singh Grewal in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Indiana board licenses this profession
    Search for license 18004312B
    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
Find the Indiana license search

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6% fewer Medicare Part D claims than the average optometrist in 2024

259 Medicare Part D claims for 132 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.

  1. Sahij Grewal259
  2. Specialty average277

Most prescribed

  1. Latanoprost71 claims
  2. Restasis45 claims
  3. Neomycin-Polymyxin-Dexameth29 claims
  4. Tobradex22 claims
  5. Tobramycin-Dexamethasone12 claims
  6. Erythromycin11 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: $16.36

1 payment: food and beverage; the largest payer was Johnson & Johnson Vision Care, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sahij Grewal$16.36
  2. Specialty average$769.99

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. Macha Family Eye Care PCIndianapolis, IN

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

Sahij Singh Grewal among 1,578 optometrist records in Indiana

Sahij Singh Grewal, OD is one of 1,578 optometrist records with a practice address in Indiana. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 86% of them.

  • NPI issued2021 · 86% of these records are older, 12% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2021 · median 2008 among the 1,014 with a school on file
  • Record last updated2021 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in Indiana

There are 1,578 optometrist records in Indiana.

The 8 optometrist records with the nearest ZIP codes

  1. Erik Baker, O.D.Indianapolis, IN 462291104100957
  2. Allyson Brown, O.D.Indianapolis, IN 462291770861411
  3. Nicholas Earls, O.D.Indianapolis, IN 462291598136251
  4. Peter Koerner, O.D.Indianapolis, IN 462291922349836
  5. William Lentz, O.D.Indianapolis, IN 462291114035276
  6. Cathy Macha, O.D.Indianapolis, IN 462291316000730
  7. Marlene Marchesani, ODIndianapolis, IN 462291679675847
  8. Nandita Pushpala, ODIndianapolis, IN 462291255067849

Common questions

What is Sahij Singh Grewal, OD's NPI number?

Sahij Singh Grewal, OD's National Provider Identifier (NPI) is 1922765122, issued on Nov 22, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Sahij Singh Grewal, OD located?

The NPPES record lists a practice address at 10777 E Washington St Ste A, Indianapolis, IN, 46229. Phone: (317) 897-0480. Providers update this record themselves, so call before visiting.

How can I verify Sahij Singh Grewal, OD's license?

NPPES lists Indiana license number 18004312B, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.

How much does Sahij Singh Grewal, OD prescribe under Medicare Part D?

In 2024, Sahij Singh Grewal, OD had 259 Medicare Part D claims for 132 beneficiaries; the average among optometrist prescribers was 277. 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.