Quick answers
- Does Nathaniel C. Hainsworth accept Medicare assignment?
- Yes. Medicare's clinician data says Nathaniel C. Hainsworth accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Nathaniel C. Hainsworth see?
- In 2024, CMS data shows 82 Original Medicare patients and 720 services for Nathaniel C. Hainsworth. This counts Original Medicare only and measures volume, not quality.
- What is Nathaniel C. Hainsworth's NPI number?
- 1134758766. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Nathaniel C. Hainsworth, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 82 |
|---|---|
| Services billed to Medicare | 720 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)85 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)73 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)34 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)16 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)13 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol65%
- High blood pressure55%
- Arthritis40%
- Anxiety27%
- Diabetes24%
- Depression24%
Practice locations
Addresses where Nathaniel C. Hainsworth is enrolled with Medicare (CMS data updated October 2, 2026).
- 8200 E Belleview Ave, Suite 202cGreenwood Village, CO 80111 (303) 357‑2551
Group practices
Medicare enrollment lists Nathaniel C. Hainsworth as a member of this group (CMS data updated October 2, 2026).
- Onpoint Medical Group LLC95 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Greenwood Village
Clinicians with the same Medicare primary specialty in Greenwood Village, CO — not a recommendation.
Other clinicians in Onpoint Medical Group LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2020 (6 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1134758766 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians