Ramsey Umar, M.D.
NPI 1134202500 · Gastroenterology Physician · Mesa, AZ
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ramsey Umar, M.D. is a Gastroenterology Physician provider in Mesa, AZ (NPI 1134202500).
Provider details
- NPI number
- 1134202500
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35904 (AZ)
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
1,602 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 362 | $87 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 247 | $239 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 213 | $91 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 133 | $123 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 120 | $160 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 470 | 177 |
| Omeprazole | 143 | 65 |
| Budesonidebrand: Budesonide Dr | 78 | 34 |
| Famotidine | 42 | 18 |
| Mesalamine | 40 | 12 |
| Budesonidebrand: Budesonide Ec | 38 | 24 |
| Colestipol Hcl | 35 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,297 across 64 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
- 2006-10-21
- Last updated
- 2024-09-30
- Certified
- 2024-09-30
Frequently asked questions
- What is Ramsey Umar's NPI number?
- Ramsey Umar's National Provider Identifier (NPI) is 1134202500, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ramsey Umar's specialty?
- Ramsey Umar is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Ramsey Umar located?
- Ramsey Umar's practice location on file with NPPES is 6020 E Arbor Ave Ste 101, Mesa, AZ 85206-6102.
- What is Ramsey Umar's phone number?
- The practice phone number listed in the NPPES registry for Ramsey Umar is (480) 985-1700.
- Does Ramsey Umar accept Medicare?
- Ramsey Umar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ramsey Umar's NPI active?
- Yes — Ramsey Umar's NPI (1134202500) is active in the NPPES registry as of the last update on 2024-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.