Harjit Singh, MD
Gastroenterology Physician · Allentown, PA
Harjit Singh, MD is a gastroenterology physician with a practice address in Allentown, Pennsylvania, and NPI 1558005520, issued on Apr 25, 2022. Check the license (Pennsylvania MT235450, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Harjit Singh
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MT235450 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1501 N Cedar Crest Blvd Ste 110, Allentown, PA 18104
- Phone
- (610) 821-2828
- Enumerated
- Apr 25, 2022
- Record last updated
- Jun 24, 2025
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,049 in Pennsylvania → Look up another NPI →
Also registered at 1501 N Cedar Crest Blvd Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Allison, PAPhysician Assistant1164753810
- Cristina Angelo, MDGastroenterology Physician1972090058
- Michelle Asteak, PA-CMedical Physician Assistant1134648967
- Allison Baragona, M.D.Gastroenterology Physician1003259086
- Kassandra Blobe, CRNPFamily Nurse Practitioner1144091885
- Sarah Elrod, DOInternal Medicine Physician1679100762
Verify Harjit Singh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MT235450Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average gastroenterology physician in 2024
189 Medicare Part D claims for 56 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Atorvastatin Calcium21 claims
- Lisinopril13 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: $114.71
1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Harjit Singh among 1,049 gastroenterology physician records in Pennsylvania
Harjit Singh, MD is one of 1,049 gastroenterology physician records with a practice address in Pennsylvania. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 98% of them.
- NPI issued2022 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Pennsylvania
There are 1,049 gastroenterology physician records in Pennsylvania.
All 1,049 in Pennsylvania → Every provider in Allentown → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Anthony Auteri, MDAllentown, PA 181041689678500
- Lawrence Bardawil, MDAllentown, PA 181041306848411
- Charles Brooks, MDAllentown, PA 181041750373155
- Ronald Bross, MDAllentown, PA 181041386648202
- James Cornell, MDAllentown, PA 181041285637488
- Carl Dangelo, M.D.Allentown, PA 181041346246295
- Kyle Helwig, MDAllentown, PA 181041023012945
- Tanveer Imam, MDAllentown, PA 181041942209697
Common questions
What is Harjit Singh, MD's NPI number?
Harjit Singh, MD's National Provider Identifier (NPI) is 1558005520, issued on Apr 25, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Harjit Singh, MD located?
The NPPES record lists a practice address at 1501 N Cedar Crest Blvd Ste 110, Allentown, PA, 18104. Phone: (610) 821-2828. Providers update this record themselves, so call before visiting.
How can I verify Harjit Singh, MD's license?
NPPES lists Pennsylvania license number MT235450, 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 Harjit Singh, MD prescribe under Medicare Part D?
In 2024, Harjit Singh, MD had 189 Medicare Part D claims for 56 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.