John Harrison Howard, M.D.
Nephrology Physician · Elk Grove, CA
John Harrison Howard, M.D. is a nephrology physician with a practice address in Elk Grove, California, and NPI 1811377062, issued on Jun 3, 2015. Check the license (California A156404, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Harrison Howard
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- A156404 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2218 Kausen Dr Ste 103, Elk Grove, CA 95758
- Phone
- (916) 683-8774
- Enumerated
- Jun 3, 2015
- Record last updated
- Jun 13, 2025
- Fax
- (916) 683-8777
- Medicare enrollment
- Enrolled (PECOS I20200512001107); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 2218 Kausen Dr Ste 103
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Johan Winoto, M.D.Nephrology Physician1780635920
Verify John Harrison Howard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A156404Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average nephrology physician in 2024
1,816 Medicare Part D claims for 326 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate144 claims
- Telmisartan144 claims
- Carvedilol82 claims
- Farxiga81 claims
- Losartan Potassium81 claims
- Furosemide76 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $306.22
7 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Capital Nephrology Medical GroupSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Harrison Howard among 1,468 nephrology physician records in California
John Harrison Howard, M.D. is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 87% of them.
- NPI issued2015 · 87% of these records are older, 11% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2015 · median 2001 among the 1,128 with a school on file
- Record last updated2025 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in Elk Grove → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Johan Winoto, M.D.Elk Grove, CA 957581780635920
- Inderpreet Sekhon, MDGranite Bay, CA 957461720012883
- Harry Ward, M.D.Sacramento, CA 958111992815336
- Naveen Atray, M.D.Sacramento, CA 958151780608901
- Rohit Kashyap, MDSacramento, CA 958151902845209
- Maryam Afkarian, M.D., PH.D.Sacramento, CA 958171255387338
- Andrew Chin, MDSacramento, CA 958171649251133
- Thomas Depner, M.D.Sacramento, CA 958171962487561
Common questions
What is John Harrison Howard, M.D.'s NPI number?
John Harrison Howard, M.D.'s National Provider Identifier (NPI) is 1811377062, issued on Jun 3, 2015. An NPI identifies a provider in billing; it is not a license.
Where is John Harrison Howard, M.D. located?
The NPPES record lists a practice address at 2218 Kausen Dr Ste 103, Elk Grove, CA, 95758. Phone: (916) 683-8774. Providers update this record themselves, so call before visiting.
How can I verify John Harrison Howard, M.D.'s license?
NPPES lists California license number A156404, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Harrison Howard, M.D. prescribe under Medicare Part D?
In 2024, John Harrison Howard, M.D. had 1,816 Medicare Part D claims for 326 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.