Charles Fredericks, M.D.
NPI 1952747628 · Surgery Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Fredericks, M.D. is a Surgery Physician provider in Sacramento, CA (NPI 1952747628).
Provider details
- NPI number
- 1952747628
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 125-063161 (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
13 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
153 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 67 | $78 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 42 | $170 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 28 | $116 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 16 | $116 |
Typical Medicare-allowed amounts for these services range $78–$170 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 1653 W Congress PkwyChicago, IL 60612-3833Phone: (312) 942-6510
Registry dates
- Enumerated
- 2013-05-21
- Last updated
- 2019-06-25
Frequently asked questions
- What is Charles Fredericks's NPI number?
- Charles Fredericks's National Provider Identifier (NPI) is 1952747628, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Fredericks's specialty?
- Charles Fredericks is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Fredericks located?
- Charles Fredericks's practice location on file with NPPES is 2315 Stockton Blvd, Sacramento, CA 95817-2201.
- What is Charles Fredericks's phone number?
- The practice phone number listed in the NPPES registry for Charles Fredericks is (916) 734-5638.
- Does Charles Fredericks accept Medicare?
- Charles Fredericks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Fredericks's NPI active?
- Yes — Charles Fredericks's NPI (1952747628) is active in the NPPES registry as of the last update on 2019-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.