Physician Profile
Unclaimed ProfileAbout FIELDS
Daniel J Fields, M.D. is a healthcare provider in Plymouth, CA specializing in family practice. Daniel trained at University of California, Davis School of Medicine, graduating in 1979. Daniel is also listed as specializing in family medicine. According to Medicare claims data, Daniel cared for 145 Medicare patients across 155 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Fields specialize in?
Dr. Fields is a family practice in Plymouth, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
Where is Dr. Fields located?
Dr. Fields is listed at 9279 LOCUST, Plymouth, CA 95669. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Fields's phone number?
The number on file is (209) 245-6968. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Fields's NPI number?
Dr. Fields's National Provider Identifier is 1801907308. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Fields go to medical school?
Dr. Fields attended University of California, Davis School of Medicine, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Fields been practicing?
Dr. Fields has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Fields do most often?
According to Medicare billing data, Dr. Fields provides treatments such as influenza vaccine, inactivated and diphtheria, tetanus, and acellular pertussis vaccine, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Fields confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Fields. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (209) 245-6968
- Email not available
Practice Locations
9279 LOCUST
Plymouth, CA 95669
Procedures Most Often Billed to Medicare
155 services · 145 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Influenza vaccine, inactivated | Treatment | 90653 |
13 |
| Diphtheria, tetanus, and acellular pertussis vaccine (7 years or older) | Treatment | 90715 |
12 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
72 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
58 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other family practices at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at University of California, Davis School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1979 at University of California, Davis School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Influenza vaccine, inactivated 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.