Dr. David W. Dinwiddie, MD
- Medicare services, 2024
- 2,188
- Medicare patients, 2024
- 510
- Part D claims, 2024
- 301
- Hospital affiliations
- 1
- Medical groups
- 3
- Practice address
- 17050 W Chatsworth St, Granada Hills, CA 91344
- Practice phone
- Call (747) 300-7541
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Perpetual Medical Group
Granada Hills, California
Find Dr. Dinwiddie'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. David W. Dinwiddie is a family medicine physician in Granada Hills, California
Dr. Dinwiddie practices at Perpetual Medical Group in Granada Hills, California.
Dr. Dinwiddie's NPI, 1679644587, was assigned on November 13, 2006. Dr. Dinwiddie graduated from Jefferson Medical College of Thomas Jefferson University in 1989. Dr. Dinwiddie holds California license G74985.
- NPI
- 1679644587NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517098890
- NPI enumeration date
- November 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (747) 300-7541
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David W. Dinwiddie practices at Perpetual Medical Group in Granada Hills, California
Dr. Dinwiddie's primary practice is Perpetual Medical Group, at 17050 W Chatsworth St, Granada Hills, CA 91344 in Los Angeles County. The practice phone is (747) 300-7541.
- Perpetual Medical Group17050 W Chatsworth St, Granada Hills, CA 91344 · Los Angeles CountyPhone(747) 300-7541
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David W. Dinwiddie is affiliated with 9 sites of care and 3 medical groups
Dr. Dinwiddie's primary practice is Perpetual Medical Group in Granada Hills, California. Dr. Dinwiddie is also affiliated with Kaiser Permanente Baldwin Park Medical Center. The medical group on file is Perpetual Medical Group. Dmand AI also links Dr. Dinwiddie to 5 more home health agencies, 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David W. Dinwiddie's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dinwiddie practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Perpetual Medical Group | Available with a free account |
| +8 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. David W. Dinwiddie is one of 15,680 family medicine physicians in California
Family medicine is Dr. Dinwiddie's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Dinwiddie is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Dinwiddie
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. David W. Dinwiddie billed Medicare for 2,188 services in 2024
CMS data shows 2,188 Medicare services from Dr. Dinwiddie across 9 procedure codes in 2024, for 510 Medicare patients. Medicare paid $179,963 for them. Every service was in an office.
Dr. Dinwiddie's Medicare services by type, 2024
- Other services1,458
- Office and hospital visits730
Dr. Dinwiddie compared with the California median for family medicine physicians, 2024
- Dr. Dinwiddie
- California median
- Medicare services
- 2,188vs 2468.9 times
- Medicare patients
- 510vs 1184.3 times
- Part D claims
- 110vs 83387% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Dinwiddie'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.
Need commercial claims for Dr. Dinwiddie?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dinwiddie and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David W. Dinwiddie treated 510 Medicare patients in 2024, average age 74
CMS counts 510 Medicare patients who saw Dr. Dinwiddie in 2024. The largest group is 65 to 74, with 243 patients. 75% of them have arthritis, and 75% have high blood pressure. 87% are also on Medicaid. Their average risk score is 1.74, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Dinwiddie's median patient age at 73, with 59% women.
Dr. Dinwiddie's Medicare patients by age, 2024
Dr. Dinwiddie's Medicare patients by sex, 2024
- Women30059%
- Men21041%
Chronic conditions among Dr. Dinwiddie's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes61%
- Ischemic heart disease61%
- Mood disorders58%
- Depression56%
- Anxiety47%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dinwiddie's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David W. Dinwiddie wrote 301 Medicare Part D claims in 2024
In 2024, Dr. Dinwiddie wrote 301 Medicare Part D claims for 162 patients. 90% of them were for generic drugs. CMS names the drug for 110 of them, across 7 drugs with 11 or more claims each, at $1,072 in total drug cost. In 2023, CMS named 78 claims across 6 drugs.
Dr. Dinwiddie's Part D claims by kind of drug, 2024
- Generic272 claims90%
- Brand-name and other29 claims10%
Dr. Dinwiddie'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. Dinwiddie's Part D claims, 2024
- Antibiotics23%69 of 301 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: 782024: 11041%
Drugs named by CMS: 7 in 2024, 6 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
Dr. David W. Dinwiddie offers telehealth to Medicare patients
Dr. Dinwiddie accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Dinwiddie as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. David W. Dinwiddie graduated from Jefferson Medical College of Thomas Jefferson University
Dr. Dinwiddie graduated from Jefferson Medical College of Thomas Jefferson University in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David W. Dinwiddie'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. David W. Dinwiddie
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. David W. Dinwiddie's NPI number?
Dr. David W. Dinwiddie's NPI number is 1679644587. It was assigned on November 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David W. Dinwiddie?
Dr. David W. Dinwiddie is a family medicine physician in Granada Hills, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. David W. Dinwiddie practice?
Dr. Dinwiddie practices at 17050 W Chatsworth St, Granada Hills, CA 91344. Dr. Dinwiddie's primary practice is Perpetual Medical Group in Granada Hills, California. Dmand AI also links Dr. Dinwiddie to 5 home health agencies, 2 group practices and clinics and 2 medical groups.
What is Dr. David W. Dinwiddie's office phone number?
The practice phone on file for Dr. Dinwiddie is (747) 300-7541.
What is Dr. David W. Dinwiddie's medical license number?
Dr. Dinwiddie holds California license G74985.
Which hospitals is Dr. David W. Dinwiddie affiliated with?
Dr. Dinwiddie is affiliated with Kaiser Permanente Baldwin Park Medical Center.
What medical group is Dr. David W. Dinwiddie part of?
Dr. Dinwiddie is linked to Perpetual Medical Group. Dmand AI links Dr. Dinwiddie to 2 more medical groups.
Does Dr. David W. Dinwiddie accept Medicare?
Yes. CMS data shows Dr. Dinwiddie billed Medicare for 2,188 services in 2024, and Dr. Dinwiddie accepts Medicare assignment.
Does Dr. David W. Dinwiddie offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Dinwiddie as offering telehealth services.
How many Medicare patients does Dr. David W. Dinwiddie see?
CMS counts 510 Medicare patients who saw Dr. Dinwiddie in 2024, with an average age of 74.
Show 4 more questionsShow fewer questions
What services does Dr. David W. Dinwiddie bill to Medicare?
In 2024, Dr. Dinwiddie's most billed Medicare services were medicare service (G0181), care management and other visits (99473) and medicare service (G0180).
Where did Dr. David W. Dinwiddie go to medical school?
Dr. Dinwiddie graduated from Jefferson Medical College of Thomas Jefferson University in 1989.
What drugs does Dr. David W. Dinwiddie prescribe most?
In 2024 Medicare Part D data, Dr. Dinwiddie's most prescribed drugs by claims were Azithromycin, Naproxen and Pantoprazole Sodium.
How long has Dr. David W. Dinwiddie been practicing?
Dr. Dinwiddie graduated from medical school in 1989, 37 years ago.
Selling to family medicine practices?
See family medicine physicians in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card