Dr. John K. Doolittle, MD

  • Roseville, CA
  • Family medicine physician
NPI1053422741PAC ID8921167461
Medicare services, 2024
883
Medicare patients, 2024
206
Part D claims, 2024
5,362
Hospital affiliations
3
Medical group
1
Practice address
568 N Sunrise Ave, Roseville, CA 95661
Practice phone
Call (800) 470-0071
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sutter Valley Medical Foundation

Roseville, California

See all 7 affiliations

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Dr. John K. Doolittle is a family medicine physician in Roseville, California

Dr. Doolittle practices at Sutter Valley Medical Foundation in Roseville, California.

Dr. Doolittle's NPI, 1053422741, was assigned on August 31, 2006. Dr. Doolittle graduated from David Geffen School of Medicine at UCLA in 1998. Dr. Doolittle holds California license A69624.

NPI and contact details
Medicare PAC ID
8921167461
NPI enumeration date
August 31, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(800) 470-0071
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
54
Medical school graduation
1998

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. John K. Doolittle practices at Sutter Valley Medical Foundation in Roseville, California

Dr. Doolittle's primary practice is Sutter Valley Medical Foundation, at 568 N Sunrise Ave, Roseville, CA 95661 in Placer County. The practice phone is (800) 470-0071.

  • Sutter Valley Medical Foundation
    568 N Sunrise Ave, Roseville, CA 95661 · Placer CountyPhone(800) 470-0071

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. John K. Doolittle is affiliated with 6 sites of care and 1 medical group

Dr. Doolittle's primary practice is Sutter Valley Medical Foundation in Roseville, California. Dr. Doolittle is also affiliated with Sutter Roseville Medical Center. The medical group on file is SGMF Radiology. Dmand AI also links Dr. Doolittle to 2 more hospitals, 1 group practice or clinic and 1 home health agency, each named with a free account.

See all 7 affiliations for Dr. Doolittle

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. John K. Doolittle's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Doolittle practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sutter Valley Medical FoundationAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John K. Doolittle is one of 15,680 family medicine physicians in California

Family medicine is Dr. Doolittle's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Doolittle is board certified in family medicine by the American Board of Family Medicine. Dr. Doolittle is licensed in California.

Specialties and state licenses

  • Family medicine, CaliforniaPrimaryLicense A69624 · 1999 to 2027 · taxonomy 207Q00000X

Clinical focus

Dmand AI lists acid reflux, acute sinusitis, acute skin infection, ADHD, adjustment disease, alzheimer's disease, anxiety and arthritis among the conditions Dr. Doolittle treats.

Family medicine physicians near Dr. Doolittle

Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. John K. Doolittle billed Medicare for 883 services in 2024

CMS data shows 883 Medicare services from Dr. Doolittle across 13 procedure codes in 2024, for 206 Medicare patients. Medicare paid $65,659 for them. Every service was in an office.

Medicare services, 2024883
Medicare patients206
Paid by Medicare$65,659
Procedure codes13

Dr. Doolittle's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5512024: 48412%
Other services
2023: 1292024: 314143%
Tests and treatments
2023: 582024: 8547%

Dr. Doolittle compared with the California median for family medicine physicians, 2024

  • Dr. Doolittle
  • California median
Medicare services
883vs 2463.6 times
Medicare patients
206vs 11875% above
Part D claims
4,767vs 8335.7 times

Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Doolittle's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Doolittle

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. John K. Doolittle treated 206 Medicare patients in 2024, average age 74

CMS counts 206 Medicare patients who saw Dr. Doolittle in 2024. The largest group is 65 to 74, with 95 patients. 62% of them have high blood pressure, and 61% have high cholesterol. 8% are also on Medicaid. Their average risk score is 0.92, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Doolittle's median patient age at 68, with 56% women.

Medicare patients, 2024206
Average age74
Average risk score0.92
Also on Medicaid8%

Dr. Doolittle's Medicare patients by age, 2024

Dr. Doolittle's Medicare patients by sex, 2024

  • Women10953%
  • Men9747%

Chronic conditions among Dr. Doolittle's Medicare patients, 2024

  1. High blood pressure62%
  2. High cholesterol61%
  3. Arthritis48%
  4. Diabetes24%
  5. Ischemic heart disease24%
  6. Mood disorders20%
  7. Anxiety19%
  8. Chronic kidney disease19%

Share of Medicare patients with each condition. A patient can have several.

Dr. Doolittle's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women56%
  • Men41%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. John K. Doolittle wrote 5,362 Medicare Part D claims in 2024

In 2024, Dr. Doolittle wrote 5,362 Medicare Part D claims for 390 patients. 88% of them were for generic drugs. CMS names the drug for 4,767 of them, across 91 drugs with 11 or more claims each, at $378,900 in total drug cost. In 2023, CMS named 4,814 claims across 96 drugs.

Part D claims, 20245,362
Drugs named by CMS91
Total drug cost$378,900
Part D patients390

Dr. Doolittle's Part D claims by kind of drug, 2024

  • Generic4,709 claims88%
  • Brand-name615 claims11%
  • Other38 claims1%

Dr. Doolittle's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Doolittle's Part D claims, 2024

  • Opioids4%209 of 5,362 claims
  • Antibiotics1%79 of 5,362 claims
  • Antipsychotics, patients 65 and over0%16 of 5,362 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 4,8142024: 4,7671%

Drugs named by CMS: 91 in 2024, 96 in 2023.

See all prescribing by Dr. Doolittle

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. John K. Doolittle offers telehealth to Medicare patients

Dr. Doolittle accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Doolittle as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. John K. Doolittle graduated from David Geffen School of Medicine at UCLA

Dr. Doolittle graduated from David Geffen School of Medicine at UCLA in 1998.

  1. Medical schoolDavid Geffen School of Medicine at UCLA
  2. Board certified in family medicineAmerican Board of Family Medicine

Source: Dmand AI Professional Profile Data

Dr. John K. Doolittle accepts plans from 15 insurance carriers

Dr. Doolittle is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Alliant Health Plans
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Doolittle accepts, by number of carriers

  1. PPO10
  2. Medicare8
  3. HMO6
  4. POS6
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. John K. Doolittle's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. John K. Doolittle

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. John K. Doolittle's NPI number?

Dr. John K. Doolittle's NPI number is 1053422741. It was assigned on August 31, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John K. Doolittle?

Dr. John K. Doolittle is a family medicine physician in Roseville, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).

Where does Dr. John K. Doolittle practice?

Dr. Doolittle practices at 568 N Sunrise Ave, Roseville, CA 95661. Dr. Doolittle's primary practice is Sutter Valley Medical Foundation in Roseville, California. Dmand AI also links Dr. Doolittle to 2 hospitals, 1 group practice or clinic and 1 home health agency.

What is Dr. John K. Doolittle's office phone number?

The practice phone on file for Dr. Doolittle is (800) 470-0071.

What is Dr. John K. Doolittle's medical license number?

Dr. Doolittle holds California license A69624.

Which hospitals is Dr. John K. Doolittle affiliated with?

Dr. Doolittle is affiliated with Sutter Roseville Medical Center. Dmand AI links Dr. Doolittle to 2 more hospitals.

What medical group is Dr. John K. Doolittle part of?

Dr. Doolittle is linked to SGMF Radiology.

Does Dr. John K. Doolittle accept Medicare?

Yes. CMS data shows Dr. Doolittle billed Medicare for 883 services in 2024, and Dr. Doolittle accepts Medicare assignment.

Does Dr. John K. Doolittle offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Doolittle as offering telehealth services.

How many Medicare patients does Dr. John K. Doolittle see?

CMS counts 206 Medicare patients who saw Dr. Doolittle in 2024, with an average age of 74.

Show 6 more questionsShow fewer questions

Is Dr. John K. Doolittle board certified?

Yes. Dr. Doolittle is board certified in family medicine by the American Board of Family Medicine.

What services does Dr. John K. Doolittle bill to Medicare?

In 2024, Dr. Doolittle's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99213).

Where did Dr. John K. Doolittle go to medical school?

Dr. Doolittle graduated from David Geffen School of Medicine at UCLA in 1998.

What drugs does Dr. John K. Doolittle prescribe most?

In 2024 Medicare Part D data, Dr. Doolittle's most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Amlodipine Besylate.

How long has Dr. John K. Doolittle been practicing?

Dr. Doolittle graduated from medical school in 1998, 28 years ago.

What insurance does Dr. John K. Doolittle accept?

Dr. Doolittle is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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