Stephen P. Kolb

  • Lancaster, CA
  • Anesthesiologist
NPI1457614984PAC ID2466723895
Medicare services, 2023
126
Medicare patients, 2024
34
Part D claims, 2019
11
MIPS score, 2024
89
Hospital affiliations
1
Practice address
43112 15th W St, Lancaster, CA 93534
Practice phone
Call (661) 940-1112
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Kaiser Foundation Hospital

Lancaster, California

See all 7 affiliations

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Stephen P. Kolb is an anesthesiologist in Lancaster, California

Stephen Kolb practices at Kaiser Foundation Hospital in Lancaster, California.

Stephen Kolb's NPI, 1457614984, was assigned on June 19, 2012. Stephen Kolb holds California license A147359.

NPI and contact details
Medicare PAC ID
2466723895
NPI enumeration date
June 19, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(661) 940-1112
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
40
Medical school graduation
2012

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

Stephen P. Kolb practices at Kaiser Foundation Hospital in Lancaster, California

Stephen Kolb's primary practice is Kaiser Foundation Hospital, at 43112 15th W St, Lancaster, CA 93534 in Los Angeles County. The practice phone is (661) 940-1112.

  • Kaiser Foundation Hospital
    43112 15th W St, Lancaster, CA 93534 · Los Angeles CountyPhone(661) 940-1112

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Stephen P. Kolb is affiliated with 2 sites of care and 5 medical groups

Stephen Kolb's primary practice is Kaiser Foundation Hospital in Lancaster, California. Stephen Kolb is also affiliated with Providence Cedars-Sinai Tarzana Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Stephen Kolb to 4 more medical groups, each named with a free account.

See all 7 affiliations for Stephen Kolb

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Stephen P. Kolb's practice

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

EHR by site
SiteEHR vendor and product
Kaiser Foundation HospitalAvailable with a free account
+1 more site and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Stephen P. Kolb is one of 6,593 anesthesiologists in California

Anesthesiology is Stephen Kolb's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Stephen Kolb is licensed in California.

Specialties and state licenses

  • Anesthesiology, CaliforniaPrimaryLicense A147359 · taxonomy 207L00000X

Anesthesiologists near Stephen Kolb

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

Stephen P. Kolb billed Medicare for 126 services in 2023

CMS data shows 126 Medicare services from Stephen Kolb across 6 procedure codes in 2023, for 34 Medicare patients. Medicare paid $19,080 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2023126
Medicare patients34
Paid by Medicare$19,080
Procedure codes6

Stephen Kolb's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Anesthesia
2022: 472023: 109132%
Surgery
2022: 02023: 17
Imaging
2022: 112023: 0100%

Stephen Kolb compared with the California median for anesthesiologists, 2023

  • Stephen Kolb
  • California median
Medicare services
126vs 7275% above
Medicare patients
34vs 14376% below
Part D claims
11vs 2352% below

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

Stephen Kolb's most billed Medicare procedure codes, 2023

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 Stephen Kolb

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

Stephen P. Kolb treated 34 Medicare patients in 2024, average age 74

CMS counts 34 Medicare patients who saw Stephen Kolb in 2024. The largest group is 65 to 74, with 15 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.82, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Stephen Kolb's median patient age at 33, with 69% women.

Medicare patients, 202434
Average age74
Average risk score1.82

Stephen Kolb's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Stephen Kolb's Medicare patients by sex, 2024

  • Women2368%
  • Men1132%

Chronic conditions among Stephen Kolb's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis59%
  4. Ischemic heart disease53%
  5. Mood disorders38%
  6. Diabetes35%
  7. Depression32%

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

Stephen Kolb's patients across all payers

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

Patient panel by age, all payers

Median age 33

Patient panel by sex, all payers

  • Women69%
  • Men30%

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

Stephen P. Kolb wrote 11 Medicare Part D claims in 2019

In 2019, Stephen Kolb wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $140 in total drug cost.

Part D claims, 201911
Drugs named by CMS1
Total drug cost$140

Stephen Kolb's most prescribed drugs by claims, 2019

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

See all prescribing by Stephen Kolb

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

Stephen P. Kolb scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Stephen Kolb for performance year 2024, reported as part of a group. Stephen Kolb accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Stephen Kolb's MIPS scores, performance year 2024

  • 89of 100Final score
  • 84.8of 100Quality
  • 99of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 73of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

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Stephen P. Kolb received $101 in industry payments from 2019 to 2024

CMS Open Payments shows 5 general payments to Stephen Kolb from 5 drug and device companies from 2019 to 2024. Food and beverage make up the largest share, 100% of the total. Biosense Webster, Inc. paid the most, $38.

General payments to Stephen Kolb by program year, 2019 to 2024

Companies that paid Stephen Kolb the most, 2019 to 2024

Share is of all general payments to this clinician.

See all payments to Stephen Kolb

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

Sources for Stephen P. Kolb'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Stephen P. Kolb

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Stephen P. Kolb's NPI number?

Stephen P. Kolb's NPI number is 1457614984. It was assigned on June 19, 2012, and it is active in the NPI Registry.

What does Stephen P. Kolb specialize in?

Stephen P. Kolb is an anesthesiologist in Lancaster, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).

Where does Stephen P. Kolb practice?

Stephen Kolb practices at 43112 15th W St, Lancaster, CA 93534. Stephen Kolb's primary practice is Kaiser Foundation Hospital in Lancaster, California. Dmand AI also links Stephen Kolb to 4 medical groups.

What is Stephen P. Kolb's office phone number?

The practice phone on file for Stephen Kolb is (661) 940-1112.

What is Stephen P. Kolb's medical license number?

Stephen Kolb holds California license A147359.

Which hospitals is Stephen P. Kolb affiliated with?

Stephen Kolb is affiliated with Providence Cedars-Sinai Tarzana Medical Center.

What medical group is Stephen P. Kolb part of?

Stephen Kolb is linked to Southern California Permanente Medical Group. Dmand AI links Stephen Kolb to 4 more medical groups.

Does Stephen P. Kolb accept Medicare?

Yes. CMS data shows Stephen Kolb billed Medicare for 126 services in 2023, and Stephen Kolb accepts Medicare assignment.

What is Stephen P. Kolb's MIPS score?

Stephen Kolb's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.

How many Medicare patients does Stephen P. Kolb see?

CMS counts 34 Medicare patients who saw Stephen Kolb in 2024, with an average age of 74.

Show 4 more questionsShow fewer questions

What services does Stephen P. Kolb bill to Medicare?

In 2023, Stephen Kolb's most billed Medicare services were anesthesia (00812), anesthesia (00731) and anesthesia (00790).

What drugs does Stephen P. Kolb prescribe most?

In 2019 Medicare Part D data, Stephen Kolb's most prescribed drugs by claims were Levothyroxine Sodium.

Has Stephen P. Kolb received payments from drug or device companies?

CMS Open Payments shows $101 in general payments to Stephen Kolb from 5 companies from 2019 to 2024. The largest total came from Biosense Webster, Inc.

How long has Stephen P. Kolb been practicing?

Stephen Kolb graduated from medical school in 2012, 14 years ago.

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