Dr. Jonathan C. Weeks, MD

  • Bakersfield, CA
  • Anesthesiologist
NPI1376557439PAC ID0345389250
Medicare services, 2024
42
Medicare patients, 2024
133
Part D claims, 2021
1,423
Hospital affiliations
1
Industry payments
$411
Practice address
2215 Truxtun Avenue, Bakersfield, CA 93301
Practice phone
Call (661) 632-5000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Dignity Health - Mercy Hospital Downtown

Hospital · Bakersfield, California

See all 4 affiliations

Find Dr. Weeks' 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.

View contacts for free

Dr. Jonathan C. Weeks is an anesthesiologist in Bakersfield, California

Dr. Weeks practices at Dignity Health - Mercy Hospital Downtown in Bakersfield, California, part of CommonSpirit Health.

Dr. Weeks' NPI, 1376557439, was assigned on July 27, 2006. Dr. Weeks graduated from St. George's University School of Medicine in 2003. Dr. Weeks holds California license A104384.

NPI and contact details
Medicare PAC ID
0345389250
NPI enumeration date
July 27, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(661) 632-5000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
49
Medical school graduation
2003

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Jonathan C. Weeks practices at Dignity Health - Mercy Hospital Downtown in Bakersfield, California

Dr. Weeks' primary practice is Dignity Health - Mercy Hospital Downtown, at 2215 Truxtun Avenue, Bakersfield, CA 93301 in Kern County. The practice phone is (661) 632-5000.

Source: Dmand AI Affiliation Data

Dr. Jonathan C. Weeks is affiliated with 1 site of care and 3 medical groups

Dr. Weeks' primary practice is Dignity Health - Mercy Hospital Downtown in Bakersfield, California, part of CommonSpirit Health. The medical group on file is Excelle Anesthesia Services. Dmand AI also links Dr. Weeks to 2 more medical groups, each named with a free account.

See all 4 affiliations for Dr. Weeks

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Jonathan C. Weeks' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weeks practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dignity Health - Mercy Hospital DowntownAvailable with a free account
+2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Weeks practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across CommonSpirit Health and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Jonathan C. Weeks is one of 6,593 anesthesiologists in California

Anesthesiology is Dr. Weeks' primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Weeks is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Weeks' licenses on file in 7 states: California, Nevada, Alaska, Montana, Oklahoma, Idaho and New York.

Specialties and state licenses

  • Anesthesiology, CaliforniaPrimaryLicense A104384 · 2008 to 2026 · taxonomy 207L00000X
  • Nevada license2004 to 2027
  • Alaska license2020 to 2026
  • Montana license2016 to 2026
  • Oklahoma license2020 to 2025
  • Idaho license2014 to 2023
  • New York license2008 to 2009

Anesthesiologists near Dr. Weeks

Counts of anesthesiologists 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. Jonathan C. Weeks billed Medicare for 42 services in 2024

CMS data shows 42 Medicare services from Dr. Weeks across 3 procedure codes in 2024, for 133 Medicare patients. Medicare paid $6,162 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202442
Medicare patients133
Paid by Medicare$6,162
Procedure codes3

Dr. Weeks' Medicare services by type, 2021 to 2024

  • 2021
  • 2024
Anesthesia
2021: 02024: 42
Lab and pathology
2021: 592024: 0100%
Office and hospital visits
2021: 3232024: 0100%

Dr. Weeks compared with the California median for anesthesiologists, 2024

  • Dr. Weeks
  • California median
Medicare services
42vs 7242% below
Medicare patients
133vs 1437% below
Part D claims
1,423vs 2361.9 times

Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.

Dr. Weeks' 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.

See all procedures by Dr. Weeks

Need commercial claims for Dr. Weeks?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Weeks and other anesthesiologists in California.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Jonathan C. Weeks treated 133 Medicare patients in 2024, average age 72

CMS counts 133 Medicare patients who saw Dr. Weeks in 2024. The largest group is 65 to 74, with 58 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 36% are also on Medicaid. Their average risk score is 1.95, 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. Weeks' median patient age at 69, with 58% women.

Medicare patients, 2024133
Average age72
Average risk score1.95
Also on Medicaid36%

Dr. Weeks' Medicare patients by age, 2024

Dr. Weeks' Medicare patients by sex, 2024

  • Women8564%
  • Men4836%

Chronic conditions among Dr. Weeks' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis57%
  4. Diabetes52%
  5. Ischemic heart disease46%
  6. Chronic kidney disease35%
  7. Mood disorders35%
  8. Depression34%

Share of Medicare patients with each condition. A patient can have several.

Dr. Weeks' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women58%
  • Men42%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Jonathan C. Weeks wrote 1,423 Medicare Part D claims in 2021

In 2021, Dr. Weeks wrote 1,423 Medicare Part D claims. They cover 21 drugs, with $87,526 in total drug cost. In 2020, CMS named 1,019 claims across 19 drugs.

Part D claims, 20211,423
Drugs named by CMS21
Total drug cost$87,526

Dr. Weeks' most prescribed drugs by claims, 2021

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, 2020 to 2021

  • 2020
  • 2021
Claims for drugs CMS names
2020: 1,0192021: 1,42340%

Drugs named by CMS: 21 in 2021, 19 in 2020.

See all prescribing by Dr. Weeks

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

How Dr. Jonathan C. Weeks takes part in Medicare

Dr. Weeks accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

Find anesthesiologists like Dr. Weeks by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Jonathan C. Weeks received $411 in industry payments from 2016 to 2025

CMS Open Payments shows 23 general payments to Dr. Weeks from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic USA, Inc. paid the most, $109.

General payments to Dr. Weeks by program year, 2016 to 2025

Companies that paid Dr. Weeks the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Weeks

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Jonathan C. Weeks graduated from St. George's University School of Medicine

Dr. Weeks graduated from St. George's University School of Medicine in 2003.

  1. Medical schoolSt. George's University School of Medicine
  2. Board certified in anesthesiologyAmerican Board of Anesthesiology
  3. Board certified in pain medicineAmerican Board of Anesthesiology

Source: Dmand AI Professional Profile Data

Dr. Jonathan C. Weeks accepts plans from 16 insurance carriers

Dr. Weeks is in network with 16 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Aetna
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • AK State Medicaid
  • +8 more carriersWith a free account

Plan types Dr. Weeks accepts, by number of carriers

  1. PPO10
  2. HMO6
  3. Medicare6
  4. POS4
  5. EPO3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Jonathan C. Weeks's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Jonathan C. Weeks

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. Jonathan C. Weeks' NPI number?

Dr. Jonathan C. Weeks' NPI number is 1376557439. It was assigned on July 27, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Jonathan C. Weeks?

Dr. Jonathan C. Weeks is an anesthesiologist in Bakersfield, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).

Where does Dr. Jonathan C. Weeks practice?

Dr. Weeks practices at 2215 Truxtun Avenue, Bakersfield, CA 93301. Dr. Weeks' primary practice is Dignity Health - Mercy Hospital Downtown in Bakersfield, California, part of CommonSpirit Health. Dmand AI also links Dr. Weeks to 2 medical groups.

What is Dr. Jonathan C. Weeks' office phone number?

The practice phone on file for Dr. Weeks is (661) 632-5000.

What is Dr. Jonathan C. Weeks' medical license number?

Dr. Weeks holds California license A104384, one of the licenses on file in 7 states.

Which states has Dr. Jonathan C. Weeks been licensed in?

Dmand AI has state licenses on file for Dr. Weeks in California (2008 to 2026), Nevada (2004 to 2027), Alaska (2020 to 2026), Montana (2016 to 2026), Oklahoma (2020 to 2025), Idaho (2014 to 2023) and New York (2008 to 2009).

Which hospitals is Dr. Jonathan C. Weeks affiliated with?

Dr. Weeks practices at Dignity Health - Mercy Hospital Downtown in Bakersfield, California.

What medical group is Dr. Jonathan C. Weeks part of?

Dr. Weeks is linked to Excelle Anesthesia Services. Dmand AI links Dr. Weeks to 2 more medical groups.

Does Dr. Jonathan C. Weeks accept Medicare?

Yes. CMS data shows Dr. Weeks billed Medicare for 42 services in 2024, and Dr. Weeks accepts Medicare assignment.

How many Medicare patients does Dr. Jonathan C. Weeks see?

CMS counts 133 Medicare patients who saw Dr. Weeks in 2024, with an average age of 72.

Show 7 more questionsShow fewer questions

Is Dr. Jonathan C. Weeks board certified?

Yes. Dr. Weeks is board certified in anesthesiology by the American Board of Anesthesiology.

What services does Dr. Jonathan C. Weeks bill to Medicare?

In 2024, Dr. Weeks' most billed Medicare services were anesthesia (00731), anesthesia (00811) and anesthesia (00790).

Where did Dr. Jonathan C. Weeks go to medical school?

Dr. Weeks graduated from St. George's University School of Medicine in 2003.

What drugs does Dr. Jonathan C. Weeks prescribe most?

In 2021 Medicare Part D data, Dr. Weeks' most prescribed drugs by claims were Hydrocodone-Acetaminophen, Oxycodone-Acetaminophen and Gabapentin.

Has Dr. Jonathan C. Weeks received payments from drug or device companies?

CMS Open Payments shows $411 in general payments to Dr. Weeks from 12 companies from 2016 to 2025. The largest total came from Medtronic USA, Inc.

How long has Dr. Jonathan C. Weeks been practicing?

Dr. Weeks graduated from medical school in 2003, 23 years ago.

What insurance does Dr. Jonathan C. Weeks accept?

Dr. Weeks is in network with 16 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

Selling to anesthesiology practices?

See anesthesiologists 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

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)