Dr. Gregory Alan Smith, MD
- Part D claims, 2024
- 1,293
- Industry payments
- $91,798
- Affiliated sites
- 1
- State licenses
- 4
- Year NPI issued
- 2006
- Practice address
- 5680 N Fresno St Ste 105 Suite 105, Fresno, CA 93710
- Practice phone
- Call (559) 374-5130
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dr. Gregory Smith, MD
Physician office · Fresno, California
Find Dr. Smith'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. Gregory Alan Smith is an interventional pain medicine physician in Walnut Creek, California
Dr. Smith practices at Dr. Gregory Smith, MD in Fresno, California.
Dr. Smith's NPI, 1013954130, was assigned on May 31, 2006. Dr. Smith graduated from WashU Medicine in 1988. Dr. Smith holds California license A50680.
- NPI
- 1013954130NPI Registry (opens in a new tab)
- NPI enumeration date
- May 31, 2006
- NPI status
- Active
- Practice phone
- (559) 374-5130
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gregory Alan Smith practices in Fresno and Walnut Creek
Dr. Smith's primary practice is Dr. Gregory Smith, MD, at 5680 N Fresno St Ste 105 Suite 105, Fresno, CA 93710. The practice phone is (559) 374-5130. The NPI Registry lists Dr. Smith's practice address as 450 N Wiget Ln, Walnut Creek, CA 94598.
- Dr. Gregory Smith, MDPrimary5680 N Fresno St Ste 105 Suite 105, Fresno, CA 93710Phone(559) 374-5130
- NPI Registry address450 N Wiget Ln, Walnut Creek, CA 94598 · Contra Costa CountyPhone(559) 374-5130
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Gregory Alan Smith is affiliated with 1 site of care
Dr. Smith's primary practice is Dr. Gregory Smith, MD in Fresno, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gregory Alan Smith's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Smith practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Gregory Smith, MD | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Alan Smith is one of 215 interventional pain medicine physicians in California
Interventional pain medicine is Dr. Smith's primary specialty in the NPI Registry, under taxonomy code 208VP0014X. Dr. Smith is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Smith's licenses on file in 4 states: California, Utah, Nevada and New York.
Specialties and state licenses
- Interventional pain medicine, CaliforniaPrimary
- Utah license
- Nevada license
- New York license
Interventional pain medicine physicians near Dr. Smith
Counts of interventional pain 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. Gregory Alan Smith's patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Dr. Smith's median patient age at 53, with 46% women.
Dr. Smith'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
- Women46%
- Men53%
Source: Dmand AI Patient Panel Data
Dr. Gregory Alan Smith wrote 1,293 Medicare Part D claims in 2024
In 2024, Dr. Smith wrote 1,293 Medicare Part D claims for 63 patients. 92% of them were for generic drugs. CMS names the drug for 1,152 of them, across 30 drugs with 11 or more claims each, at $354,024 in total drug cost. In 2023, CMS named 833 claims across 24 drugs.
Dr. Smith's Part D claims by kind of drug, 2024
- Generic1,185 claims92%
- Brand-name108 claims8%
Dr. Smith'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. Smith's Part D claims, 2024
- Opioids45%582 of 1,293 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: 8332024: 1,15238%
Drugs named by CMS: 30 in 2024, 24 in 2023.
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
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Dr. Gregory Alan Smith received $91,798 in industry payments from 2017 to 2022
CMS Open Payments shows 6 general payments to Dr. Smith from 5 drug and device companies from 2017 to 2022. Gifts make up the largest share, 100% of the total. Allergan Inc. paid the most, $91,593.
General payments to Dr. Smith by program year, 2017 to 2022
General payments to Dr. Smith by kind, 2017 to 2022
- Gifts$91,593100%
- Food and beverage$2050%
Companies that paid Dr. Smith the most, 2017 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Alan Smith graduated from WashU Medicine
Dr. Smith graduated from WashU Medicine in 1988.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Alan Smith'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 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) |
| 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. Gregory Alan Smith
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. Gregory Alan Smith's NPI number?
Dr. Gregory Alan Smith's NPI number is 1013954130. It was assigned on May 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Alan Smith?
Dr. Gregory Alan Smith is an interventional pain medicine physician in Walnut Creek, California. The primary specialty in the NPI Registry is Interventional Pain Medicine Physician (taxonomy code 208VP0014X).
Where does Dr. Gregory Alan Smith practice?
Dr. Smith practices at 5680 N Fresno St Ste 105 Suite 105, Fresno, CA 93710. Dr. Smith also practices at 450 N Wiget Ln, Walnut Creek, CA 94598. Dr. Smith's primary practice is Dr. Gregory Smith, MD in Fresno, California.
What is Dr. Gregory Alan Smith's office phone number?
The practice phone on file for Dr. Smith is (559) 374-5130.
What is Dr. Gregory Alan Smith's medical license number?
Dr. Smith holds California license A50680, one of the licenses on file in 4 states.
Which states has Dr. Gregory Alan Smith been licensed in?
Dmand AI has state licenses on file for Dr. Smith in California (1992 to 2026), Utah (2025 to 2026), Nevada (2025) and New York (1989 to 2021).
Is Dr. Gregory Alan Smith board certified?
Yes. Dr. Smith is board certified in anesthesiology by the American Board of Anesthesiology.
Where did Dr. Gregory Alan Smith go to medical school?
Dr. Smith graduated from WashU Medicine in 1988.
What drugs does Dr. Gregory Alan Smith prescribe most?
In 2024 Medicare Part D data, Dr. Smith's most prescribed drugs by claims were Oxycodone HCl, Hydrocodone-Acetaminophen and Carisoprodol.
Has Dr. Gregory Alan Smith received payments from drug or device companies?
CMS Open Payments shows $91,798 in general payments to Dr. Smith from 5 companies from 2017 to 2022. The largest total came from Allergan Inc.
How long has Dr. Gregory Alan Smith been practicing?
Dr. Smith graduated from medical school in 1988, 38 years ago.
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