Sreenivas Mannam, M.D.
NPI 1629001334 · Gastroenterology Physician · Flint, MI
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sreenivas Mannam, M.D. is a Gastroenterology Physician provider in Flint, MI (NPI 1629001334).
Provider details
- NPI number
- 1629001334
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4301058532 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
295 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) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 58 | $241 |
| Diagnostic Exam of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43235 | 41 | $105 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 33 | $167 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 31 | $139 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 29 | $166 |
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 |
|---|---|---|
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 313 | 306 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 221 | 220 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 103 | 103 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 87 | 87 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 59 | 59 |
| Sulfasalazine | 24 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$148 across 3 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
Registry dates
- Enumerated
- 2006-07-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is Sreenivas Mannam's NPI number?
- Sreenivas Mannam's National Provider Identifier (NPI) is 1629001334, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sreenivas Mannam's specialty?
- Sreenivas Mannam is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Sreenivas Mannam located?
- Sreenivas Mannam's practice location on file with NPPES is 1345 Willowdale Ct, Flint, MI 48532-4736.
- What is Sreenivas Mannam's phone number?
- The practice phone number listed in the NPPES registry for Sreenivas Mannam is (810) 720-5130.
- Does Sreenivas Mannam accept Medicare?
- Sreenivas Mannam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sreenivas Mannam's NPI active?
- Yes — Sreenivas Mannam's NPI (1629001334) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.