Emerito Natanawan, M.D.
NPI 1730194531 · Internal Medicine Physician · Greeley, CO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Emerito Natanawan, M.D. is a Internal Medicine Physician provider in Greeley, CO (NPI 1730194531).
Provider details
- NPI number
- 1730194531
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036-091850 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
630 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 329 | $91 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 83 | $59 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 52 | $102 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 44 | $77 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 33 | $168 |
| Administration of Influenza Virus Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 126 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 575 | 173 |
| Levothyroxine Sodium | 308 | 84 |
| Amlodipine Besylate | 300 | 99 |
| Gabapentin | 279 | 84 |
| Lisinopril | 249 | 80 |
| Omeprazole | 244 | 72 |
| Losartan Potassium |
Practice location
Mailing address
Additional practice locations (1)
- 9831 S Western AveChicago, IL 60643-1791Phone: (773) 445-3500
Registry dates
- Enumerated
- 2006-07-30
- Last updated
- 2021-12-06
- Certified
- 2021-12-06
Frequently asked questions
- What is Emerito Natanawan's NPI number?
- Emerito Natanawan's National Provider Identifier (NPI) is 1730194531, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Emerito Natanawan's specialty?
- Emerito Natanawan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Emerito Natanawan located?
- Emerito Natanawan's practice location on file with NPPES is 6767 W 29th Street, Greeley, CO 80634-5474.
- What is Emerito Natanawan's phone number?
- The practice phone number listed in the NPPES registry for Emerito Natanawan is (970) 652-2433.
- Does Emerito Natanawan accept Medicare?
- Emerito Natanawan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Emerito Natanawan's NPI active?
- Yes — Emerito Natanawan's NPI (1730194531) is active in the NPPES registry as of the last update on 2021-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.