Quick answers
- Does Asha G. Cogdill accept Medicare assignment?
- Yes. Medicare's clinician data says Asha G. Cogdill 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 Asha G. Cogdill see?
- In 2024, CMS data shows 226 Original Medicare patients and 789 services for Asha G. Cogdill. This counts Original Medicare only and measures volume, not quality.
- What is Asha G. Cogdill's NPI number?
- 1437325289. 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 Asha G. Cogdill, 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 | 226 |
|---|---|
| Services billed to Medicare | 789 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, midazolam hydrochloride, per 1 mg (J2250)203 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)77 services
- Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes (99153)59 services
- Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)57 services
- Injection, fentanyl citrate, 0.1 mg (J3010)53 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 cholesterol72%
- High blood pressure67%
- Arthritis56%
- Anxiety30%
- Depression29%
- Osteoporosis26%
Hospitals where Asha G. Cogdill works
Medicare's Facility Affiliation Data lists Asha G. Cogdill at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- John Muir Medical Center - Concord CampusConcord, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050496
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050180
- Sutter Delta Medical CenterAntioch, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050523
- University of California Davis Medical CenterSacramento, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050599
Practice locations
Addresses where Asha G. Cogdill is enrolled with Medicare (CMS data updated October 2, 2026).
- 2222 E St, Suite 300Concord, CA 94520 (925) 932‑6330
- 271 Turnpike DrFolsom, CA 95630 (916) 985‑9200
- 4860 Y StSacramento, CA 95817 (916) 734‑7005
- 8110 Laguna BlvdElk Grove, CA 95758 (916) 683‑3955
Group practices
Medicare enrollment lists Asha G. Cogdill as a member of these groups (CMS data updated October 2, 2026).
- Regents of the Univ of Ca1,584 clinicians in the group
- Regents of the University of California567 clinicians in the group
- Bass Medical Group291 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Concord
Clinicians with the same Medicare primary specialty in Concord, CA — not a recommendation.
Other clinicians in Regents of the Univ of Ca
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Irvine, California College Of Medicine |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1437325289 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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