Robert Phillip Ritchey, PA-C
- Part D claims, 2024
- 358
- Hospital affiliations
- 2
- Industry payments
- $984
- Medical group
- 1
- Year NPI issued
- 2005
- Practice address
- 935a Market Street, Yuba City, CA 95991
- Practice phone
- Call (530) 673-9420
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ampla Health - Yuba City (Market St)
FQHC - Main Site · Yuba City, California
Find Robert Ritchey'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.
Robert Phillip Ritchey is a physician assistant in Yuba City, California
Robert Ritchey practices at Ampla Health - Yuba City (Market St) in Yuba City, California.
Robert Ritchey's NPI, 1952388662, was assigned on December 23, 2005.
- NPI
- 1952388662NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749222172
- NPI enumeration date
- December 23, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (530) 673-9420
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Robert Phillip Ritchey practices at 2 locations in Yuba City, California
Robert Ritchey's primary practice is Ampla Health - Yuba City (Market St), at 935a Market Street, Yuba City, CA 95991 in Sutter County. The practice phone is (530) 673-9420. Robert Ritchey also practices at Ampla Health Yuba City, 1000 Sutter St, Yuba City, CA 95991.
- Ampla Health - Yuba City (Market St)Primary935a Market Street, Yuba City, CA 95991 · Sutter CountyPhone(530) 673-9420
- Ampla Health Yuba City1000 Sutter St, Yuba City, CA 95991 · Sutter CountyPhone(530) 673-9420
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Robert Phillip Ritchey is affiliated with 4 sites of care and 1 medical group
Robert Ritchey's primary practice is Ampla Health - Yuba City (Market St) in Yuba City, California. Robert Ritchey is also affiliated with Oroville Hospital. The medical group on file is Ampla Health Oroville Medical & Dental. Dmand AI also links Robert Ritchey to 1 more hospital and 1 behavioral health center, each named with a free account. Robert Ritchey's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Robert Phillip Ritchey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Robert Ritchey practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ampla Health - Yuba City (Market St) | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Robert Phillip Ritchey is one of 11,482 physician assistants in California
Physician assistant is Robert Ritchey's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Robert Ritchey
Counts of physician assistants 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
Robert Phillip Ritchey's patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Robert Ritchey's median patient age at 53, with 58% women.
Robert Ritchey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women58%
- Men41%
Source: Dmand AI Patient Panel Data
Robert Phillip Ritchey wrote 358 Medicare Part D claims in 2024
In 2024, Robert Ritchey wrote 358 Medicare Part D claims for 136 patients. 99% of them were for generic drugs. CMS names the drug for 332 of them, across 8 drugs with 11 or more claims each, at $2,514 in total drug cost.
Robert Ritchey's Part D claims by kind of drug, 2024
- Generic354 claims99%
- Brand-name and other4 claims1%
Robert Ritchey'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 Robert Ritchey's Part D claims, 2024
- Opioids35%127 of 358 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
How Robert Phillip Ritchey takes part in Medicare
Robert Ritchey accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Robert Phillip Ritchey received $984 in industry payments from 2024 to 2025
CMS Open Payments shows 37 general payments to Robert Ritchey from 18 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. ViiV Healthcare Company paid the most, $197.
General payments to Robert Ritchey by program year, 2024 to 2025
Companies that paid Robert Ritchey the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Robert Phillip Ritchey'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 DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (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 Robert Phillip Ritchey
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Robert Phillip Ritchey's NPI number?
Robert Phillip Ritchey's NPI number is 1952388662. It was assigned on December 23, 2005, and it is active in the NPI Registry.
What does Robert Phillip Ritchey specialize in?
Robert Phillip Ritchey is a physician assistant in Yuba City, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Robert Phillip Ritchey practice?
Robert Ritchey practices at 935a Market Street, Yuba City, CA 95991. Robert Ritchey also practices at 1000 Sutter St, Yuba City, CA 95991. Robert Ritchey's primary practice is Ampla Health - Yuba City (Market St) in Yuba City, California. Dmand AI also links Robert Ritchey to 1 hospital and 1 behavioral health center.
What is Robert Phillip Ritchey's office phone number?
The practice phone on file for Robert Ritchey is (530) 673-9420.
Which hospitals is Robert Phillip Ritchey affiliated with?
Robert Ritchey is affiliated with Oroville Hospital. Dmand AI links Robert Ritchey to 1 more hospital.
What medical group is Robert Phillip Ritchey part of?
Robert Ritchey is linked to Ampla Health Oroville Medical & Dental.
Does Robert Phillip Ritchey accept Medicare?
Yes. CMS lists Robert Ritchey as accepting Medicare assignment.
What drugs does Robert Phillip Ritchey prescribe most?
In 2024 Medicare Part D data, Robert Ritchey's most prescribed drugs by claims were Diclofenac Sodium, Hydrocodone-Acetaminophen and Tramadol HCl.
Has Robert Phillip Ritchey received payments from drug or device companies?
CMS Open Payments shows $984 in general payments to Robert Ritchey from 18 companies from 2024 to 2025. The largest total came from ViiV Healthcare Company.
How long has Robert Phillip Ritchey been practicing?
Robert Ritchey graduated from medical school in 2002, 24 years ago.
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