Muhammad Alsayid, M.D.
NPI 1326356411 · Gastroenterology Physician · Merrillville, IN
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Muhammad Alsayid, M.D. is a Gastroenterology Physician provider in Merrillville, IN (NPI 1326356411).
Provider details
- NPI number
- 1326356411
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 271090 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
7 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
584 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 85 | $73 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 77 | $15 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 61 | $159 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 57 | $92 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 41 | $202 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 160 | 155 |
| Omeprazole | 158 | 73 |
| Linaclotidebrand: Linzess | 104 | 48 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 64 | 59 |
| Pantoprazole Sodium | 43 | 17 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 18 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$670 across 29 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (6)
- 1611 Nw 12th AveMiami, FL 33136-1005Phone: (305) 243-6837
- 1650 W Harrison StChicago, IL 60612-3800Phone: (312) 563-4479
- 2269 W 25th AveGary, IN 46404-3367Phone: (219) 644-3990Fax: (219) 736-4143
- 9410 Calumet Ave Ste 401Munster, IN 46321-0018Phone: (219) 922-4900Fax: (219) 836-9922
- 55 Lake Ave NWorcester, MA 01655-0002Phone: (508) 856-3068Fax: (508) 856-3981
- 2845 Greenbrier RdGreen Bay, WI 54311-6519Phone: (920) 288-8000
Registry dates
- Enumerated
- 2010-09-22
- Last updated
- 2025-04-08
- Certified
- 2025-04-08
Frequently asked questions
- What is Muhammad Alsayid's NPI number?
- Muhammad Alsayid's National Provider Identifier (NPI) is 1326356411, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Muhammad Alsayid's specialty?
- Muhammad Alsayid is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Muhammad Alsayid located?
- Muhammad Alsayid's practice location on file with NPPES is 101 E 87th Ave Ste 410, Merrillville, IN 46410-7356.
- What is Muhammad Alsayid's phone number?
- The practice phone number listed in the NPPES registry for Muhammad Alsayid is (219) 644-3990.
- Does Muhammad Alsayid accept Medicare?
- Muhammad Alsayid is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Muhammad Alsayid's NPI active?
- Yes — Muhammad Alsayid's NPI (1326356411) is active in the NPPES registry as of the last update on 2025-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.