Dr. Jacob Williams , DMD
Dentist - General Practice • Flagstaff, AZ
1100 N San Francisco St, Suite D
Flagstaff, AZ 860013260
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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Dr. Jacob Williams is listed in NPPES under Dentist - General Practice.
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NPI assigned on October 23, 2014; this date does not establish years in practice.
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Published CMS data list 54 Medicare Part D prescriptions, including refills, in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Published rows only; this is not a quality measure.
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Published Part D records, 2024:
- Amoxicillin — 19 prescription fills, including refills.
- Clindamycin Hcl — 18 prescription fills, including refills.
- Oxycodone Hcl — 17 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See the full table · Guide: How to read Medicare Part D prescriber data
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More Part D prescriptions than 85% of clinicians listed under Dentist - General Practice in Flagstaff, AZ (2024, 15 clinicians with data). Median for this group: 31. Middle half: 23 to 49.
More Part D prescriptions than 60% of clinicians listed under Dentist - General Practice in Arizona (2024, 1,208 clinicians with data). Median for this group: 40. Middle half: 21 to 79.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part D prescriptions went from 38 in 2019 to 54 in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2019–2024.
Practice Location & Contact Primary Location
1100 N San Francisco St
Suite D
Flagstaff, AZ 860013260
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
Dentist - General Practice: NPPES taxonomy is a reported classification, not proof of board certification.
30-day fills
54 standardized 30-day fills in 2024
CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.
What this does not show: 30-day fills
It is not a count of patients and not a measure of quality.
Part D drug cost
$392 in 2024
The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.
It shows the total spending on drugs this clinician prescribed, not what any one patient paid.
What this does not show: Part D drug cost
A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024.
Open Payments general payments, program year 2025
All general payments: $210.12 across 4 records.
By nature of payment
- Education: $125.00 across 1 record.
- Food and Beverage: $76.42 across 2 records.
- Gift: $8.70 across 1 record.
Reporting-company totals
- Align Technology, Inc.: $210.12 across 4 records.
A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.
Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).
NPI first issued
2014
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Compared with the same specialty in Flagstaff and Arizona
Billing and prescribing volume is not a quality rating.
Medicare Part D prescriptions
More Part D prescriptions than 85% of clinicians listed under Dentist - General Practice in Flagstaff, AZ (2024, 15 clinicians with data). Median for this group: 31. Middle half: 23 to 49.
More Part D prescriptions than 60% of clinicians listed under Dentist - General Practice in Arizona (2024, 1,208 clinicians with data). Median for this group: 40. Middle half: 21 to 79.
Part D drug cost
A higher Part D drug cost than 85% of clinicians listed under Dentist - General Practice in Flagstaff, AZ (2024, 15 clinicians with data). Median for this group: $121. Middle half: $64 to $250.
A higher Part D drug cost than 75% of clinicians listed under Dentist - General Practice in Arizona (2024, 1,208 clinicians with data). Median for this group: $135. Middle half: $62 to $322.
37 active clinicians are listed under Dentist - General Practice with a practice address in Flagstaff, AZ (2,483 in Arizona).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Flagstaff
0% of these 37 clinicians have the CMS telehealth indicator.
0% of these 37 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part D prescriptions
Medicare Part D prescriptions increased 42% from 38 in 2019 to 54 in 2024.
- 2019: 38
- 2021: 94
- 2022: 59
- 2023: 54
- 2024: 54
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30-day fills
30-day fills increased 42% from 38 in 2019 to 54 in 2024.
- 2019: 38
- 2021: 94
- 2022: 59
- 2023: 54
- 2024: 54
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Part D drug cost
Part D drug cost went from $340 in 2019 to $392 in 2024.
- 2019: $340
- 2021: $578
- 2022: $570
- 2023: $441
- 2024: $392
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Industry payments (Open Payments)
Industry payments (Open Payments) went from $43.84 in 2019 to $210.12 in 2025.
- 2019: $43.84
- 2020: $6.79
- 2023: $12.67
- 2024: $48.27
- 2025: $210.12
Sources: CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 – December 31, 2025): fewer than 11 records totaling $210.12.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Align Technology, Inc. |
Education
Cash or cash equivalent
|
Invisalign | General | $125.00 |
| Align Technology, Inc. |
Food and Beverage
Cash or cash equivalent
|
Invisalign | General | $59.97 |
| Align Technology, Inc. |
Food and Beverage
Cash or cash equivalent
|
Invisalign | General | $16.45 |
| Align Technology, Inc. |
Gift
Cash or cash equivalent
|
Invisalign | General | $8.70 |
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2024.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Amoxicillin | Amoxicillin | 19 | 332 | $236.33 | — |
| Clindamycin Hcl | Clindamycin Hcl | 18 | 117 | $100.24 | 17 |
| Oxycodone Hcl | Oxycodone Hcl | 17 | 76 | $55.45 | 16 |
Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 1223G0001X
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
NUCC Taxonomy Code: 1223G0001X
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Physician Assistant
Physician Assistant
Obstetrics & Gynecology
Doctor of Medicine (M.D.)
Career & Practice History
NPI enumerated October 23, 2014.
No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to August 2026.
NPI Administrative Meta
Other Dentist - General Practices in Flagstaff
- Dr. Jake Garn, DDS
- Dr. Kevin Chittenden, DMD
- Dr. Jonathan Robinson, DDS
- Dr. Paul Whitney, DDS
- Dr. Leslie Seaman, DDS
- Dr. Timothy Freeman, DDS
Mailing Address
4141 W Thornton Rd
Show Low, AZ 859013004