Dr. Robert Raymond Chase, MD

  • Redding, CA
  • Orthopedic surgeon
NPI1912030560PAC ID9234153222
Medicare services, 2024
819
Medicare patients, 2024
199
Part D claims, 2024
181
Hospital affiliations
3
Industry payments
$858
Practice address
2175 Rosaline Ave, Clairmont Hgts, Redding, CA 96001
Practice phone
Call (530) 225-6102
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mercy Medical Center Redding

Hospital · Redding, California

See all 4 affiliations

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Dr. Robert Raymond Chase is an orthopedic surgeon in Redding, California

Dr. Chase practices at Mercy Medical Center Redding in Redding, California, part of CommonSpirit Health.

Dr. Chase's NPI, 1912030560, was assigned on March 13, 2007. Dr. Chase graduated from Drexel University College Of Medicine in 1985. Dr. Chase holds California license G68648.

NPI and contact details
Medicare PAC ID
9234153222
NPI enumeration date
March 13, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(530) 225-6102
Professional email
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Personal email
Get email
Mobile number
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Sex
Male
Estimated age
67
Medical school graduation
1985

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

Dr. Robert Raymond Chase practices at Mercy Medical Center Redding in Redding, California

Dr. Chase's primary practice is Mercy Medical Center Redding, at 2175 Rosaline Ave, Clairmont Hgts, Redding, CA 96001 in Shasta County. The practice phone is (530) 225-6102.

Source: Dmand AI Affiliation Data

Dr. Robert Raymond Chase is affiliated with 3 sites of care and 1 medical group

Dr. Chase's primary practice is Mercy Medical Center Redding in Redding, California, part of CommonSpirit Health. Dr. Chase is also affiliated with Dignity Health - St. Elizabeth Community Hospital. The medical group on file is San Francisco International Airport (SFO) Medical Clinic. Dmand AI also links Dr. Chase to 1 more hospital, named with a free account. Dr. Chase's employer is on file too: a hospital.

See all 4 affiliations for Dr. Chase

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Robert Raymond Chase's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chase practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mercy Medical Center ReddingAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Robert Raymond Chase is one of 2,056 orthopedic surgeons in California

Orthopaedic surgery is Dr. Chase's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dmand AI has Dr. Chase's licenses on file in 3 states: California, Florida and Pennsylvania.

Specialties and state licenses

  • Orthopaedic surgery, CaliforniaPrimaryLicense G68648 · 1990 to 2027 · taxonomy 207X00000X
  • Florida license1989 to 1996
  • Pennsylvania license1986 to 1990

Clinical focus

Dmand AI lists arthritis, bursitis, carpal tunnel syndrome, enthesopathy in arms, hand joint or tendon inflammation, hip replacement, joint cyst and joint pain among the conditions Dr. Chase treats.

Orthopedic surgeons near Dr. Chase

Counts of orthopedic surgeons 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 Raymond Chase billed Medicare for 819 services in 2024

CMS data shows 819 Medicare services from Dr. Chase across 7 procedure codes in 2024, for 199 Medicare patients. Medicare paid $69,935 for them.

Medicare services, 2024819
Medicare patients199
Paid by Medicare$69,935
Procedure codes7

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

  • 2023
  • 2024
Office and hospital visits
2023: 3912024: 4084%
Drugs given in the office
2023: 1972024: 31861%
Surgery
2023: 642024: 9345%

Where Dr. Chase's Medicare services took place, 2024

  • In an office78596%
  • In a facility344%

Dr. Chase compared with the California median for orthopedic surgeons, 2024

  • Dr. Chase
  • California median
Medicare services
819vs 68320% above
Medicare patients
199vs 2157% below
Part D claims
170vs 702.4 times

Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.

Dr. Chase'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. Chase

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

Dr. Robert Raymond Chase treated 199 Medicare patients in 2024, average age 74

CMS counts 199 Medicare patients who saw Dr. Chase in 2024. The largest group is 65 to 74, with 101 patients. 75% of them have arthritis, and 72% have high cholesterol. 10% are also on Medicaid. Their average risk score is 0.84, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chase's median patient age at 71, with 46% women.

Medicare patients, 2024199
Average age74
Average risk score0.84
Also on Medicaid10%

Dr. Chase's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Chase's Medicare patients by sex, 2024

  • Women9648%
  • Men10352%

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

  1. Arthritis75%
  2. High cholesterol72%
  3. High blood pressure71%
  4. Diabetes24%
  5. Ischemic heart disease20%
  6. Atrial fibrillation17%
  7. Mood disorders15%
  8. Chronic kidney disease13%

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

Dr. Chase's patients across all payers

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

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women46%
  • Men54%

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

Dr. Robert Raymond Chase wrote 181 Medicare Part D claims in 2024

In 2024, Dr. Chase wrote 181 Medicare Part D claims for 71 patients. 100% of them were for generic drugs. CMS names the drug for 170 of them, across 3 drugs with 11 or more claims each, at $1,108 in total drug cost. In 2023, CMS named 85 claims across 2 drugs.

Part D claims, 2024181
Drugs named by CMS3
Total drug cost$1,108
Part D patients71

Dr. Chase'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. Chase's Part D claims, 2024

  • Opioids48%87 of 181 claims
  • Antibiotics49%89 of 181 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: 852024: 170100%

Drugs named by CMS: 3 in 2024, 2 in 2023.

See all prescribing by Dr. Chase

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. Robert Raymond Chase ranks in the 81st percentile for lower limb (leg) arthroscopy (minimally invasive joint repair) in Medicare

Dr. Chase accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 11 procedures of lower limb (leg) arthroscopy (minimally invasive joint repair) by Dr. Chase, more than 81% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Chase ranks in Medicare procedure volume

Knee replacement
74th percentile42 procedures
Hip replacement
57th percentile14 procedures
Lower limb (leg) arthroscopy (minimally invasive joint repair)
81st percentile11 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

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

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Dr. Robert Raymond Chase received $858 in industry payments from 2016 to 2025

CMS Open Payments shows 13 general payments to Dr. Chase from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $325.

General payments to Dr. Chase by program year, 2016 to 2025

Companies that paid Dr. Chase the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chase

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Robert Raymond Chase graduated from Drexel University College Of Medicine

Dr. Chase graduated from Drexel University College Of Medicine in 1985.

  1. Medical schoolDrexel University College Of Medicine

Source: Dmand AI Professional Profile Data

Dr. Robert Raymond Chase accepts plans from 5 insurance carriers

Dr. Chase is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare

Plan types Dr. Chase accepts, by number of carriers

  1. Medicare5
  2. PPO4
  3. HMO1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Robert Raymond Chase'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)
Industry paymentsOpen Payments (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. Robert Raymond Chase

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 Raymond Chase's NPI number?

Dr. Robert Raymond Chase's NPI number is 1912030560. It was assigned on March 13, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert Raymond Chase?

Dr. Robert Raymond Chase is an orthopedic surgeon in Redding, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).

Where does Dr. Robert Raymond Chase practice?

Dr. Chase practices at 2175 Rosaline Ave, Clairmont Hgts, Redding, CA 96001. Dr. Chase's primary practice is Mercy Medical Center Redding in Redding, California, part of CommonSpirit Health. Dmand AI also links Dr. Chase to 1 hospital.

What is Dr. Robert Raymond Chase's office phone number?

The practice phone on file for Dr. Chase is (530) 225-6102.

What is Dr. Robert Raymond Chase's medical license number?

Dr. Chase holds California license G68648, one of the licenses on file in 3 states.

Which states has Dr. Robert Raymond Chase been licensed in?

Dmand AI has state licenses on file for Dr. Chase in California (1990 to 2027), Florida (1989 to 1996) and Pennsylvania (1986 to 1990).

Which hospitals is Dr. Robert Raymond Chase affiliated with?

Dr. Chase practices at Mercy Medical Center Redding in Redding, California. Dr. Chase is also affiliated with Dignity Health - St. Elizabeth Community Hospital. Dmand AI links Dr. Chase to 1 more hospital.

What medical group is Dr. Robert Raymond Chase part of?

Dr. Chase is linked to San Francisco International Airport (SFO) Medical Clinic.

Does Dr. Robert Raymond Chase accept Medicare?

Yes. CMS data shows Dr. Chase billed Medicare for 819 services in 2024, and Dr. Chase accepts Medicare assignment.

How many Medicare patients does Dr. Robert Raymond Chase see?

CMS counts 199 Medicare patients who saw Dr. Chase in 2024, with an average age of 74.

Show 6 more questionsShow fewer questions

What services does Dr. Robert Raymond Chase bill to Medicare?

In 2024, Dr. Chase's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99213) and office visit, new patient (99204).

Where did Dr. Robert Raymond Chase go to medical school?

Dr. Chase graduated from Drexel University College Of Medicine in 1985.

What drugs does Dr. Robert Raymond Chase prescribe most?

In 2024 Medicare Part D data, Dr. Chase's most prescribed drugs by claims were Cephalexin, Oxycodone-Acetaminophen and Tramadol HCl.

Has Dr. Robert Raymond Chase received payments from drug or device companies?

CMS Open Payments shows $858 in general payments to Dr. Chase from 6 companies from 2016 to 2025. The largest total came from Stryker Corporation.

How long has Dr. Robert Raymond Chase been practicing?

Dr. Chase graduated from medical school in 1985, 41 years ago.

What insurance does Dr. Robert Raymond Chase accept?

Dr. Chase is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.

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