Dr. James Gregory Troll, MD
- Part D claims, 2017
- 130
- Industry payments
- $18
- Insurance carriers
- 2
- State license
- 1
- Year NPI issued
- 2008
- Practice address
- 1310 Johnson Ln, Vallejo, CA 94592-1159
- Practice phone
- Call (707) 638-5292
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Troll's professional email, personal email and mobile number
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Dr. James Gregory Troll is a family medicine physician in Vallejo, California
Dr. Troll practices in Vallejo, California.
Dr. Troll's NPI, 1578720223, was assigned on May 20, 2008. Dr. Troll graduated from Stanford University School Of Medicine in 1982. Dr. Troll's California license number on file is G51568.
- NPI
- 1578720223NPI Registry (opens in a new tab)
- NPI enumeration date
- May 20, 2008
- NPI status
- Active
- Practice phone
- (707) 638-5292
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. James Gregory Troll's practice address is in Vallejo, California
Dr. Troll's practice address in the NPI Registry is 1310 Johnson Ln, Vallejo, CA 94592-1159. The practice phone is (707) 638-5292.
- NPI Registry address1310 Johnson Ln, Vallejo, CA 94592-1159Phone(707) 638-5292
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. James Gregory Troll's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Troll practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Troll's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James Gregory Troll is one of 15,680 family medicine physicians in California
Family medicine is Dr. Troll's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Troll has a license on file in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Troll
Counts of family medicine physicians 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. James Gregory Troll wrote 130 Medicare Part D claims in 2017
In 2017, Dr. Troll wrote 130 Medicare Part D claims. They cover 8 drugs, with $9,621 in total drug cost. In 2016, CMS named 210 claims across 14 drugs.
Dr. Troll's most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 2102017: 13038%
Drugs named by CMS: 8 in 2017, 14 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. James Gregory Troll received $18 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Troll from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $18.
Companies that paid Dr. Troll the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James Gregory Troll has 4 awards and honors on record
Dmand AI lists 4 awards for Dr. Troll, most recently Elected as Fellow National Academy of Osteopathic Educators in 2009.
Awards and honors for Dr. Troll
- 2009
- Elected as Fellow National Academy of Osteopathic Educators
- 2003
- Most Inspirational Instructor
- 2002
- Golden Apple Award
- Special Recognition of Outstanding Dedication and Support
Source: Dmand AI Professional Profile Data
Dr. James Gregory Troll graduated from Stanford University School Of Medicine
Dr. Troll graduated from Stanford University School Of Medicine in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. James Gregory Troll accepts plans from 2 insurance carriers
Dr. Troll is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Massachusetts
- HCSC
Plan types Dr. Troll accepts, by number of carriers
- Medicare2
- PPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. James Gregory Troll'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 and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. James Gregory Troll
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. James Gregory Troll's NPI number?
Dr. James Gregory Troll's NPI number is 1578720223. It was assigned on May 20, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. James Gregory Troll?
Dr. James Gregory Troll is a family medicine physician in Vallejo, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. James Gregory Troll practice?
Dr. Troll practices at 1310 Johnson Ln, Vallejo, CA 94592-1159.
What is Dr. James Gregory Troll's office phone number?
The practice phone on file for Dr. Troll is (707) 638-5292.
What is Dr. James Gregory Troll's medical license number?
Dr. Troll's California license number on file is G51568.
Where did Dr. James Gregory Troll go to medical school?
Dr. Troll graduated from Stanford University School Of Medicine in 1982.
What drugs does Dr. James Gregory Troll prescribe most?
In 2017 Medicare Part D data, Dr. Troll's most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Amlodipine Besylate.
Has Dr. James Gregory Troll received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Dr. Troll from 1 company from 2016 to 2016. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. James Gregory Troll been practicing?
Dr. Troll graduated from medical school in 1982, 44 years ago.
What insurance does Dr. James Gregory Troll accept?
Dr. Troll is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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