Shubha Singh, M.D.
NPI 1538397617 · Gastroenterology Physician · Oak Park, IL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shubha Singh, M.D. is a Gastroenterology Physician provider in Oak Park, IL (NPI 1538397617).
Provider details
- NPI number
- 1538397617
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036130300 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
251 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 56 | $80 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 51 | $138 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 33 | $92 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 32 | $132 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 32 | $133 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 153 | 70 |
| Omeprazole | 66 | 30 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 37 | 33 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 26 | 24 |
| Linaclotidebrand: Linzess | 19 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 11 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-06-26
- Last updated
- 2022-03-02
- Certified
- 2022-03-02
Frequently asked questions
- What is Shubha Singh's NPI number?
- Shubha Singh's National Provider Identifier (NPI) is 1538397617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shubha Singh's specialty?
- Shubha Singh is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Shubha Singh located?
- Shubha Singh's practice location on file with NPPES is 1100 Lake St Ste 150, Oak Park, IL 60301-1066.
- What is Shubha Singh's phone number?
- The practice phone number listed in the NPPES registry for Shubha Singh is (331) 221-9003.
- Does Shubha Singh accept Medicare?
- Shubha Singh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shubha Singh's NPI active?
- Yes — Shubha Singh's NPI (1538397617) is active in the NPPES registry as of the last update on 2022-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.