Dr. John Pitchford Greaves Jr., MD
- Part D claims, 2024
- 19
- Industry payments
- $148
- State licenses
- 2
- Year NPI issued
- 2009
- Practice address
- 15742 Middletown Park Dr, Redding, CA 96001-9753
- Practice phone
- Call (530) 244-1299
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Greaves' 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. John Pitchford Greaves Jr. is a pathologist in Redding, California
Dr. Greaves practices in Redding, California.
Dr. Greaves' NPI, 1821221136, was assigned on September 2, 2009. Dr. Greaves graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1969. Dr. Greaves' California license number on file is C37307.
- NPI
- 1821221136NPI Registry (opens in a new tab)
- NPI enumeration date
- September 2, 2009
- NPI status
- Active
- Practice phone
- (530) 244-1299
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1969
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. John Pitchford Greaves Jr.'s practice address is in Redding, California
Dr. Greaves' practice address in the NPI Registry is 15742 Middletown Park Dr, Redding, CA 96001-9753. The practice phone is (530) 244-1299.
- NPI Registry address15742 Middletown Park Dr, Redding, CA 96001-9753Phone(530) 244-1299
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. John Pitchford Greaves Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greaves practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Greaves' practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Pitchford Greaves Jr. is one of 1,354 pathologists in California
Anatomic pathology and clinical pathology is Dr. Greaves' primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. Greaves is board certified in anatomic pathology & clinical pathology by the American Board of Pathology. Dmand AI has Dr. Greaves' licenses on file in 2 states: California and Louisiana.
Specialties and state licenses
- Anatomic pathology and clinical pathology, CaliforniaPrimary
- Louisiana license
Pathologists near Dr. Greaves
Counts of pathologists 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 Pitchford Greaves Jr. wrote 19 Medicare Part D claims in 2024
In 2024, Dr. Greaves wrote 19 Medicare Part D claims.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. John Pitchford Greaves Jr. received $148 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Greaves from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $148.
Companies that paid Dr. Greaves the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Pitchford Greaves Jr. graduated from LSU Health Sciences Center New Orleans - School of Medicine
Dr. Greaves graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1969.
- Medical school
- Board certified in anatomic pathology & clinical pathology
Source: Dmand AI Professional Profile Data
Sources for Dr. John Pitchford Greaves Jr.'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 Practice Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. John Pitchford Greaves Jr.
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 Pitchford Greaves Jr.'s NPI number?
Dr. John Pitchford Greaves Jr.'s NPI number is 1821221136. It was assigned on September 2, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. John Pitchford Greaves Jr.?
Dr. John Pitchford Greaves Jr. is a pathologist in Redding, California. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. John Pitchford Greaves Jr. practice?
Dr. Greaves practices at 15742 Middletown Park Dr, Redding, CA 96001-9753.
What is Dr. John Pitchford Greaves Jr.'s office phone number?
The practice phone on file for Dr. Greaves is (530) 244-1299.
What is Dr. John Pitchford Greaves Jr.'s medical license number?
Dr. Greaves' California license number on file is C37307, one of the licenses on file in 2 states.
Which states has Dr. John Pitchford Greaves Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Greaves in California (1977 to 2025) and Louisiana (1969 to 2007).
Is Dr. John Pitchford Greaves Jr. board certified?
Yes. Dr. Greaves is board certified in anatomic pathology & clinical pathology by the American Board of Pathology.
Where did Dr. John Pitchford Greaves Jr. go to medical school?
Dr. Greaves graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1969.
Has Dr. John Pitchford Greaves Jr. received payments from drug or device companies?
CMS Open Payments shows $148 in general payments to Dr. Greaves from 1 company from 2024 to 2024. The largest total came from Stryker Corporation.
How long has Dr. John Pitchford Greaves Jr. been practicing?
Dr. Greaves graduated from medical school in 1969, 57 years ago.
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