Physician Profile
Unclaimed ProfileAbout DOOLITTLE
Based in Roseville, CA, John K Doolittle, MD is listed in the NPI registry under family practice. John graduated from University of California, Geffen School of Medicine in 1998. John is also listed as specialising in family medicine.
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 kind of doctor is Dr. Doolittle?
Dr. Doolittle is a family practice in Roseville, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
What is Dr. Doolittle's address?
Dr. Doolittle is listed at 568 N SUNRISE AVE SUITE 250, Roseville, CA 95661. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Doolittle?
The number on file is (916) 865-1140. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Doolittle?
Dr. Doolittle's National Provider Identifier is 1053422741. 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. Doolittle train?
Dr. Doolittle attended University of California, Geffen School of Medicine, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Doolittle have?
Dr. Doolittle has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Doolittle perform?
According to Medicare billing data, Dr. Doolittle provides treatments such as influenza vaccine, inactivated and pneumococcal conjugate vaccine, 20 valent , for intramuscular use, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Doolittle's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Doolittle. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (916) 865-1140
- Email not available
Practice Locations
568 N SUNRISE AVE SUITE 250
Roseville, CA 95661
Procedures Most Often Billed to Medicare
883 services · 595 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Influenza vaccine, inactivated | Treatment | 90653 |
36 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
14 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
13 |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
11 |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
11 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
341 |
| 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' | Billing code | G2211 |
190 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
112 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
67 |
| Administration of influenza virus vaccine | Billing code | G0008 |
41 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related 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 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other family practices in Roseville 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at University of California, Geffen School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1998 at University of California, Geffen School of Medicine 7
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.