Dr. Robert K. Tarter, MD
- Medicare services, 2022
- 177
- Part D claims, 2022
- 14
- Industry payments
- $31
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 2 W Fern Ave, Redlands, CA 92373
- Practice phone
- Call (909) 793-3311
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Inpatient Specialists Of California - Redlands
Primary care practice · Redlands, California
Find Dr. Tarter's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Robert K. Tarter is an internist in Grass Valley, California
Dr. Tarter practices at Inpatient Specialists Of California - Redlands in Redlands, California.
Dr. Tarter's NPI, 1104871490, was assigned on May 24, 2006. Dr. Tarter holds California license A43269.
- NPI
- 1104871490NPI Registry (opens in a new tab)
- NPI enumeration date
- May 24, 2006
- NPI status
- Active
- Practice phone
- (909) 793-3311
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert K. Tarter practices in Redlands and Grass Valley
Dr. Tarter's primary practice is Inpatient Specialists of California - Redlands, at 2 W Fern Ave, Redlands, CA 92373. The practice phone is (909) 793-3311. The NPI Registry lists Dr. Tarter's practice address as 155 Glasson Way, Grass Valley, CA 95945.
- Inpatient Specialists of California - RedlandsPrimary2 W Fern Ave, Redlands, CA 92373Phone(909) 793-3311
- NPI Registry address155 Glasson Way, Grass Valley, CA 95945 · Nevada CountyPhone(909) 793-3311
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Robert K. Tarter is affiliated with 1 site of care and 1 medical group
Dr. Tarter's primary practice is Inpatient Specialists Of California - Redlands in Redlands, California. The medical group on file is Inpatient Specialist of California PC.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Robert K. Tarter's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tarter practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Inpatient Specialists Of California - Redlands | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Robert K. Tarter is one of 16,751 internists in California
Internal medicine is Dr. Tarter's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Tarter is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Tarter
Counts of internists 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. Robert K. Tarter billed Medicare for 177 services in 2022
CMS data shows 177 Medicare services from Dr. Tarter across 4 procedure codes in 2022. Medicare paid $15,281 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Tarter's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 4672022: 17762%
Dr. Tarter compared with the California median for internists, 2022
- Dr. Tarter
- California median
- Medicare services
- 177vs 36151% below
- Part D claims
- 14vs 42197% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Tarter's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Tarter?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tarter and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert K. Tarter wrote 14 Medicare Part D claims in 2022
In 2022, Dr. Tarter wrote 14 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $37 in total drug cost. In 2021, CMS named 25 claims across 2 drugs.
Dr. Tarter's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 252022: 1444%
Drugs named by CMS: 1 in 2022, 2 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Robert K. Tarter received $31 in industry payments in 2017
CMS Open Payments shows 2 general payments to Dr. Tarter from 2 drug and device companies in 2017. Food and beverage make up the largest share, 100% of the total. INSYS Therapeutics Inc paid the most, $19.
Companies that paid Dr. Tarter the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Robert K. Tarter's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Robert K. Tarter
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. Robert K. Tarter's NPI number?
Dr. Robert K. Tarter's NPI number is 1104871490. It was assigned on May 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert K. Tarter?
Dr. Robert K. Tarter is an internist in Grass Valley, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert K. Tarter practice?
Dr. Tarter practices at 2 W Fern Ave, Redlands, CA 92373. Dr. Tarter also practices at 155 Glasson Way, Grass Valley, CA 95945. Dr. Tarter's primary practice is Inpatient Specialists Of California - Redlands in Redlands, California.
What is Dr. Robert K. Tarter's office phone number?
The practice phone on file for Dr. Tarter is (909) 793-3311.
What is Dr. Robert K. Tarter's medical license number?
Dr. Tarter holds California license A43269.
What medical group is Dr. Robert K. Tarter part of?
Dr. Tarter is linked to Inpatient Specialist of California PC.
Does Dr. Robert K. Tarter accept Medicare?
Yes. CMS data shows Dr. Tarter billed Medicare for 177 services in 2022.
What services does Dr. Robert K. Tarter bill to Medicare?
In 2022, Dr. Tarter's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and medical service (99217).
What drugs does Dr. Robert K. Tarter prescribe most?
In 2022 Medicare Part D data, Dr. Tarter's most prescribed drugs by claims were Furosemide.
Has Dr. Robert K. Tarter received payments from drug or device companies?
CMS Open Payments shows $31 in general payments to Dr. Tarter from 2 companies from 2017 to 2017. The largest total came from INSYS Therapeutics Inc.
How long has Dr. Robert K. Tarter been practicing?
Dr. Tarter's NPI was assigned in 2006.
Selling to internal medicine practices?
See internists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card