Mary Kovalak, MD
NPI 1003861030 · Gastroenterology Physician · Englewood, CO
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Kovalak, MD is a Gastroenterology Physician provider in Englewood, CO (NPI 1003861030).
Provider details
- NPI number
- 1003861030
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 48189 (CO)
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
208 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 83 | $128 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 44 | $109 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 29 | $239 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 23 | $104 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 15 | $168 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lansoprazole | 55 | — |
| Omeprazole | 54 | 17 |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 34 | 34 |
| Dicyclomine Hcl | 22 | — |
| Famotidine | 22 | — |
| Pantoprazole Sodium | 20 | — |
| Esomeprazole Magnesium | 13 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$362 across 7 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 (1)
- 10103 Ridgegate Pkwy Ste 312Lone Tree, CO 80124-5525Phone: (303) 788-8888Fax: (866) 456-4594
Registry dates
- Enumerated
- 2006-05-25
- Last updated
- 2023-08-24
- Certified
- 2023-08-24
Frequently asked questions
- What is Mary Kovalak's NPI number?
- Mary Kovalak's National Provider Identifier (NPI) is 1003861030, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Kovalak's specialty?
- Mary Kovalak is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Kovalak located?
- Mary Kovalak's practice location on file with NPPES is 499 E Hampden Ave Ste 420, Englewood, CO 80113-2794.
- What is Mary Kovalak's phone number?
- The practice phone number listed in the NPPES registry for Mary Kovalak is (303) 788-8888.
- Does Mary Kovalak accept Medicare?
- Mary Kovalak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Kovalak's NPI active?
- Yes — Mary Kovalak's NPI (1003861030) is active in the NPPES registry as of the last update on 2023-08-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.