Physician Profile
Unclaimed ProfileAbout DOWNS
Based in Simi Valley, CA, Donald Gratton Downs, MD. is listed in the NPI registry under family practice. Donald graduated from University of California, San Diego School of Medicine in 1986. Donald is also listed as specialising in family medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Downs specialise in?
Dr. Downs is a family practice in Simi Valley, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
Where is Dr. Downs located?
Dr. Downs is listed at 2655 1ST ST, Simi Valley, CA 93065. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Downs's phone number?
The number on file is (805) 206-2000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Downs?
Dr. Downs's National Provider Identifier is 1568451979. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Downs go to medical school?
Dr. Downs attended University of California, San Diego School of Medicine, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Downs have?
Dr. Downs has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Downs do most often?
According to Medicare billing data, Dr. Downs performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as influenza vaccine, inactivated and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Downs's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Downs. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (805) 206-2000
- Email not available
Practice Locations
2655 1ST ST
Simi Valley, CA 93065
Procedures Most Often Billed to Medicare
533 services · 353 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
163 |
| Influenza vaccine, inactivated | Treatment | 90653 |
21 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
14 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
111 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
104 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
78 |
| Administration of influenza virus vaccine | Billing code | G0008 |
25 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
17 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other family practices at this location 3
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other family practices in Simi Valley 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of California, San Diego School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1986 at University of California, San Diego School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.