Maria Newman, MD
NPI 1689649485 · Gastroenterology Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Newman, MD is a Gastroenterology Physician provider in Knoxville, TN (NPI 1689649485).
Provider details
- NPI number
- 1689649485
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD32139 (TN)
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
20 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
737 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 | 157 | $218 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 106 | $154 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 87 | $81 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 75 | $112 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 70 | $116 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 417 | 147 |
| Famotidine | 213 | 77 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 176 | 172 |
| Esomeprazole Magnesium | 145 | 41 |
| Omeprazole | 86 | 35 |
| Lansoprazole | 71 | 24 |
| Colestipol Hcl | 41 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,417 across 85 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
- 2006-02-23
- Last updated
- 2017-05-04
Frequently asked questions
- What is Maria Newman's NPI number?
- Maria Newman's National Provider Identifier (NPI) is 1689649485, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Newman's specialty?
- Maria Newman is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Newman located?
- Maria Newman's practice location on file with NPPES is 1311 Dowell Springs Blvd, Knoxville, TN 37909-2454.
- What is Maria Newman's phone number?
- The practice phone number listed in the NPPES registry for Maria Newman is (865) 588-5121.
- Does Maria Newman accept Medicare?
- Maria Newman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Newman's NPI active?
- Yes — Maria Newman's NPI (1689649485) is active in the NPPES registry as of the last update on 2017-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.