Dr. Timothy B. Riley, MD
- Medicare services, 2020
- 42
- Part D claims, 2024
- 11
- Industry payments
- $2,796
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 4045 3rd Ave Suite 301 Suite 301, San Diego, CA 92103
- Practice phone
- Call (619) 297-4901
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hillcrest Gynecology and Obstetrics
Physician office · San Diego, California
Find Dr. Riley'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. Timothy B. Riley is an OB-GYN in San Diego, California
Dr. Riley practices at Hillcrest Gynecology and Obstetrics in San Diego, California.
Dr. Riley's NPI, 1124149653, was assigned on April 2, 2007. Dr. Riley holds California license G33037.
- NPI
- 1124149653NPI Registry (opens in a new tab)
- NPI enumeration date
- April 2, 2007
- NPI status
- Active
- Practice phone
- (619) 297-4901
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Timothy B. Riley practices at Hillcrest Gynecology and Obstetrics in San Diego, California
Dr. Riley's primary practice is Hillcrest Gynecology and Obstetrics, at 4045 3rd Ave Suite 301 Suite 301, San Diego, CA 92103. The practice phone is (619) 297-4901.
- Hillcrest Gynecology and Obstetrics4045 3rd Ave Suite 301 Suite 301, San Diego, CA 92103Phone(619) 297-4901
Source: Dmand AI Affiliation Data
Dr. Timothy B. Riley is affiliated with 1 site of care
Dr. Riley's primary practice is Hillcrest Gynecology and Obstetrics in San Diego, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Timothy B. Riley's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Riley practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hillcrest Gynecology and Obstetrics | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Timothy B. Riley is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Riley's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Riley is licensed in California.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
OB-GYNs near Dr. Riley
Counts of OB-GYNs 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. Timothy B. Riley billed Medicare for 42 services in 2020
CMS data shows 42 Medicare services from Dr. Riley across 3 procedure codes in 2020. Medicare paid $2,303 for them. Every service was in an office.
Dr. Riley's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Other services
- 2019: 1772020: 2785%
- Office and hospital visits
- 2019: 782020: 1581%
Dr. Riley compared with the California median for OB-GYNs, 2020
- Dr. Riley
- California median
- Medicare services
- 42vs 5828% below
- Part D claims
- 308vs 358.8 times
Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.
Dr. Riley's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Riley and other OB-GYNs in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Timothy B. Riley's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Riley's median patient age at 65, with 100% women.
Dr. Riley's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Timothy B. Riley wrote 11 Medicare Part D claims in 2024
In 2024, Dr. Riley wrote 11 Medicare Part D claims. They cover 9 drugs, with $33,807 in total drug cost. In 2019, CMS named 364 claims across 9 drugs.
Dr. Riley's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 3642020: 30815%
Drugs named by CMS: 9 in 2020, 9 in 2019.
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. Timothy B. Riley received $2,796 in industry payments from 2016 to 2020
CMS Open Payments shows 78 general payments to Dr. Riley from 14 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $1,055.
General payments to Dr. Riley by program year, 2016 to 2020
General payments to Dr. Riley by kind, 2016 to 2020
- Food and beverage$2,788100%
- Gifts$80%
Companies that paid Dr. Riley the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Timothy B. Riley'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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 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) |
| 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. Timothy B. Riley
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. Timothy B. Riley's NPI number?
Dr. Timothy B. Riley's NPI number is 1124149653. It was assigned on April 2, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy B. Riley?
Dr. Timothy B. Riley is an OB-GYN in San Diego, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Timothy B. Riley practice?
Dr. Riley practices at 4045 3rd Ave Suite 301 Suite 301, San Diego, CA 92103. Dr. Riley's primary practice is Hillcrest Gynecology and Obstetrics in San Diego, California.
What is Dr. Timothy B. Riley's office phone number?
The practice phone on file for Dr. Riley is (619) 297-4901.
What is Dr. Timothy B. Riley's medical license number?
Dr. Riley holds California license G33037.
Does Dr. Timothy B. Riley accept Medicare?
Yes. CMS data shows Dr. Riley billed Medicare for 42 services in 2020.
What services does Dr. Timothy B. Riley bill to Medicare?
In 2020, Dr. Riley's most billed Medicare services were office visit, established patient (99214), medicare temporary code (Q0091) and medicare service (G0101).
What drugs does Dr. Timothy B. Riley prescribe most?
In 2020 Medicare Part D data, Dr. Riley's most prescribed drugs by claims were Estradiol (Twice Weekly), Progesterone and Premarin.
Has Dr. Timothy B. Riley received payments from drug or device companies?
CMS Open Payments shows $2,796 in general payments to Dr. Riley from 14 companies from 2016 to 2020. The largest total came from Abbvie Inc.
How long has Dr. Timothy B. Riley been practicing?
Dr. Riley's NPI was assigned in 2007.
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