Dr. Gary W. Grubb, MD
- Part D claims, 2019
- 11
- Affiliated sites
- 1
- State licenses
- 2
- Year NPI issued
- 2007
- Practice locations
- 2
- Practice address
- 1672 W Avenue J Suite 105 Suite 105, Lancaster, CA 93534
- Practice phone
- Call (661) 945-0821
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Antelope Valley Family Health Medical Group
Physician office · Lancaster, California
Find Dr. Grubb'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. Gary W. Grubb is a family medicine physician in Northridge, California
Dr. Grubb practices at Antelope Valley Family Health Medical Group in Lancaster, California.
Dr. Grubb's NPI, 1881891067, was assigned on June 29, 2007. Dr. Grubb graduated from Keck School of Medicine of USC in 1979. Dr. Grubb's California license number on file is G43124.
- NPI
- 1881891067NPI Registry (opens in a new tab)
- NPI enumeration date
- June 29, 2007
- NPI status
- Active
- Practice phone
- (661) 945-0821
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gary W. Grubb practices in Lancaster and Northridge
Dr. Grubb's primary practice is Antelope Valley Family Health Medical Group, at 1672 W Avenue J Suite 105 Suite 105, Lancaster, CA 93534. The practice phone is (661) 945-0821. The NPI Registry lists Dr. Grubb's practice address as 18300 W Roscoe Blvd, Northridge, CA 91325.
- Antelope Valley Family Health Medical GroupPrimary1672 W Avenue J Suite 105 Suite 105, Lancaster, CA 93534Phone(661) 945-0821
- NPI Registry address18300 W Roscoe Blvd, Northridge, CA 91325 · Los Angeles CountyPhone(661) 945-0821
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Gary W. Grubb is affiliated with 1 site of care
Dr. Grubb's primary practice is Antelope Valley Family Health Medical Group in Lancaster, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gary W. Grubb's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grubb practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Antelope Valley Family Health Medical Group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gary W. Grubb is one of 15,680 family medicine physicians in California
Family medicine is Dr. Grubb's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Grubb's licenses on file in 2 states: California and North Carolina.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
- North Carolina license
Family medicine physicians near Dr. Grubb
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. Gary W. Grubb's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Grubb's median patient age at 61, with 40% women.
Dr. Grubb's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women40%
- Men60%
Source: Dmand AI Patient Panel Data
Dr. Gary W. Grubb wrote 11 Medicare Part D claims in 2019
In 2019, Dr. Grubb wrote 11 Medicare Part D claims. They cover 1 drug, with $4,160 in total drug cost. In 2017, CMS named 39 claims across 3 drugs.
Dr. Grubb's most prescribed drugs by claims, 2019
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, 2017 to 2019
- 2017
- 2019
- Claims for drugs CMS names
- 2017: 392019: 1172%
Drugs named by CMS: 1 in 2019, 3 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Gary W. Grubb has 1 award and honors on record
Dmand AI lists 1 award for Dr. Grubb, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Grubb
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Gary W. Grubb graduated from Keck School of Medicine of USC
Dr. Grubb graduated from Keck School of Medicine of USC in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gary W. Grubb'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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Gary W. Grubb
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. Gary W. Grubb's NPI number?
Dr. Gary W. Grubb's NPI number is 1881891067. It was assigned on June 29, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary W. Grubb?
Dr. Gary W. Grubb is a family medicine physician in Northridge, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Gary W. Grubb practice?
Dr. Grubb practices at 1672 W Avenue J Suite 105 Suite 105, Lancaster, CA 93534. Dr. Grubb also practices at 18300 W Roscoe Blvd, Northridge, CA 91325. Dr. Grubb's primary practice is Antelope Valley Family Health Medical Group in Lancaster, California.
What is Dr. Gary W. Grubb's office phone number?
The practice phone on file for Dr. Grubb is (661) 945-0821.
What is Dr. Gary W. Grubb's medical license number?
Dr. Grubb's California license number on file is G43124, one of the licenses on file in 2 states.
Which states has Dr. Gary W. Grubb been licensed in?
Dmand AI has state licenses on file for Dr. Grubb in California (1980 to 2019) and North Carolina (1987 to 2014).
Where did Dr. Gary W. Grubb go to medical school?
Dr. Grubb graduated from Keck School of Medicine of USC in 1979.
What drugs does Dr. Gary W. Grubb prescribe most?
In 2019 Medicare Part D data, Dr. Grubb's most prescribed drugs by claims were Myrbetriq.
How long has Dr. Gary W. Grubb been practicing?
Dr. Grubb graduated from medical school in 1979, 47 years ago.
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