Joseph Grim, MD
NPI 1609834167 · Anesthesiology Physician · Merced, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Grim, MD is a Anesthesiology Physician provider in Merced, CA (NPI 1609834167).
Provider details
- NPI number
- 1609834167
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G71215 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
242 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) |
|---|---|---|
| Anesthesia for Lens Surgery00142 | 86 | $118 |
| Anesthesia for Nerve Block and Injection Procedure, Prone Position01992 | 70 | $117 |
| Anesthesia for Nerve Destruction Procedures on Spine Or Spinal Cord of Lower Back Accessed Through Skin Using Imaging Guidance01940 | 27 | $104 |
| Anesthesia for Other Procedure on Skin, Muscles, Or Nerves of Head, Neck, and Upper Back00300 | 19 | $180 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 16 | $149 |
| Anesthesia for Other Procedure on Eye00140 | 13 | $147 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2012-03-14
Frequently asked questions
- What is Joseph Grim's NPI number?
- Joseph Grim's National Provider Identifier (NPI) is 1609834167, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Grim's specialty?
- Joseph Grim is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Grim located?
- Joseph Grim's practice location on file with NPPES is 1390 E Yosemite Ave Ste B, Merced, CA 95340-8221.
- What is Joseph Grim's phone number?
- The practice phone number listed in the NPPES registry for Joseph Grim is (209) 580-3400.
- Does Joseph Grim accept Medicare?
- Joseph Grim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Grim's NPI active?
- Yes — Joseph Grim's NPI (1609834167) is active in the NPPES registry as of the last update on 2012-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.