Dr. William Scott Lock, MD
- Part D claims, 2024
- 16
- Hospital affiliations
- 1
- Industry payments
- $46
- Medical group
- 1
- Insurance carriers
- 5
- Practice address
- 222 W 39th Ave, San Mateo, CA 94403
- Practice phone
- Call (650) 573-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lock'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. William Scott Lock is an OB-GYN in San Mateo, California
Dr. Lock practices at San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California.
Dr. Lock's NPI, 1770656753, was assigned on November 16, 2006. Dr. Lock graduated from Sidney Kimmel Medical College in 1998. Dr. Lock holds California license A69314.
- NPI
- 1770656753NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628235892
- NPI enumeration date
- November 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 573-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Scott Lock practices at San Mateo Medical Center in San Mateo, California
Dr. Lock's primary practice is San Mateo Medical Center, at 222 W 39th Ave, San Mateo, CA 94403 in San Mateo County. The practice phone is (650) 573-2222.
- San Mateo Medical Center222 W 39th Ave, San Mateo, CA 94403 · San Mateo CountyPhone(650) 573-2222
Source: Dmand AI Affiliation Data
Dr. William Scott Lock is affiliated with 2 sites of care and 1 medical group
Dr. Lock's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. The medical group on file is San Mateo Medical Center. Dmand AI also links Dr. Lock to 1 more skilled nursing facility, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William Scott Lock's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lock practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Mateo Medical Center | Available with a free account |
| +1 more affiliated site | 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 County of San Mateo, California and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William Scott Lock is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Lock's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Lock is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Lock is licensed in California.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
OB-GYNs near Dr. Lock
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. William Scott Lock's patients have a median age of 32
Across all payers, Dmand AI patient panel data puts Dr. Lock's median patient age at 32, with 99% women.
Dr. Lock's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 32
Patient panel by sex, all payers
- Women99%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. William Scott Lock wrote 16 Medicare Part D claims in 2024
In 2024, Dr. Lock wrote 16 Medicare Part D claims. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $545 in total drug cost. In 2017, CMS named 17 claims across 1 drug.
Dr. Lock's most prescribed drugs by claims, 2018
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 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 172018: 1135%
Drugs named by CMS: 1 in 2018, 1 in 2017.
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
How Dr. William Scott Lock takes part in Medicare
Dr. Lock accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. William Scott Lock received $46 in industry payments from 2024 to 2025
CMS Open Payments shows 2 general payments to Dr. Lock from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Dexcom, Inc. paid the most, $24.
General payments to Dr. Lock by program year, 2024 to 2025
Companies that paid Dr. Lock the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William Scott Lock graduated from Sidney Kimmel Medical College
Dr. Lock graduated from Sidney Kimmel Medical College in 1998.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. William Scott Lock accepts plans from 5 insurance carriers
Dr. Lock is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Lock accepts, by number of carriers
- Medicare5
- PPO4
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. William Scott Lock'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 DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. William Scott Lock
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. William Scott Lock's NPI number?
Dr. William Scott Lock's NPI number is 1770656753. It was assigned on November 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William Scott Lock?
Dr. William Scott Lock is an OB-GYN in San Mateo, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. William Scott Lock practice?
Dr. Lock practices at 222 W 39th Ave, San Mateo, CA 94403. Dr. Lock's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. Dmand AI also links Dr. Lock to 1 skilled nursing facility.
What is Dr. William Scott Lock's office phone number?
The practice phone on file for Dr. Lock is (650) 573-2222.
What is Dr. William Scott Lock's medical license number?
Dr. Lock holds California license A69314.
Which hospitals is Dr. William Scott Lock affiliated with?
Dr. Lock practices at San Mateo Medical Center in San Mateo, California.
What medical group is Dr. William Scott Lock part of?
Dr. Lock is linked to San Mateo Medical Center.
Does Dr. William Scott Lock accept Medicare?
Yes. CMS lists Dr. Lock as accepting Medicare assignment.
Is Dr. William Scott Lock board certified?
Yes. Dr. Lock is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
Where did Dr. William Scott Lock go to medical school?
Dr. Lock graduated from Sidney Kimmel Medical College in 1998.
Show 4 more questionsShow fewer questions
What drugs does Dr. William Scott Lock prescribe most?
In 2018 Medicare Part D data, Dr. Lock's most prescribed drugs by claims were Oxybutynin Chloride ER.
Has Dr. William Scott Lock received payments from drug or device companies?
CMS Open Payments shows $46 in general payments to Dr. Lock from 2 companies from 2024 to 2025. The largest total came from Dexcom, Inc.
How long has Dr. William Scott Lock been practicing?
Dr. Lock graduated from medical school in 1998, 28 years ago.
What insurance does Dr. William Scott Lock accept?
Dr. Lock is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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