Dr. William G. Culver, MD

  • Greeley, CO
  • Allergist and immunologist
NPI1598747826PAC ID5698734150
Medicare services, 2024
1,428
Medicare patients, 2024
154
Part D claims, 2024
831
Hospital affiliations
2
Industry payments
$10,513
Practice address
6801 W 20th St, Greeley, CO 80634
Practice phone
Call (970) 330-5391
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Allergy Partners of Northern Colorado

Greeley, Colorado

See all 7 affiliations

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Dr. William G. Culver is an allergist and immunologist in Greeley, Colorado

Dr. Culver practices at Allergy Partners of Northern Colorado in Greeley, Colorado.

Dr. Culver's NPI, 1598747826, was assigned on November 14, 2005. Dr. Culver graduated from University of Colorado Anschutz Medical Campus in 1972. Dr. Culver holds Colorado license 18320.

NPI and contact details
Medicare PAC ID
5698734150
NPI enumeration date
November 14, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(970) 330-5391
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
80
Medical school graduation
1972

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

Dr. William G. Culver practices at Allergy Partners of Northern Colorado in Greeley, Colorado

Dr. Culver's primary practice is Allergy Partners of Northern Colorado, at 6801 W 20th St, Greeley, CO 80634 in Weld County. The practice phone is (970) 330-5391.

  • Allergy Partners of Northern Colorado
    6801 W 20th St, Greeley, CO 80634 · Weld CountyPhone(970) 330-5391

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

Dr. William G. Culver is affiliated with 5 sites of care and 2 medical groups

Dr. Culver's primary practice is Allergy Partners of Northern Colorado in Greeley, Colorado. Dr. Culver is also affiliated with Banner North Colorado Medical Center. The medical group on file is Allergy Partners of Northern Colorado. Dmand AI also links Dr. Culver to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 7 affiliations for Dr. Culver

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 Dr. William G. Culver's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Culver practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Allergy Partners of Northern ColoradoAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William G. Culver is one of 78 allergists and immunologists in Colorado

Allergy and immunology is Dr. Culver's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Culver is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dmand AI has Dr. Culver's licenses on file in 3 states: Colorado, Wyoming and Texas.

Specialties and state licenses

  • Allergy and immunology, ColoradoPrimaryLicense 18320 · 1973 to 2027 · taxonomy 207K00000X
  • Wyoming license1989 to 2012
  • Texas license1974 to 1988

Clinical focus

Dmand AI lists asthma, chronic nasal allergies, chronic sinusitis, hives and immune deficiency disease among the conditions Dr. Culver treats.

Allergists and immunologists near Dr. Culver

Counts of allergists and immunologists with a Dmand AI profile, by place and practice. Each opens the list.

78allergists and immunologists in Colorado
2allergists and immunologists in Greeley

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. William G. Culver billed Medicare for 1,428 services in 2024

CMS data shows 1,428 Medicare services from Dr. Culver across 8 procedure codes in 2024, for 154 Medicare patients. Medicare paid $16,911 for them. Every service was in an office.

Medicare services, 20241,428
Medicare patients154
Paid by Medicare$16,911
Procedure codes8

Dr. Culver's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 1,0072024: 1,25925%
Office and hospital visits
2023: 1902024: 16911%

Dr. Culver compared with the Colorado median for allergists and immunologists, 2024

  • Dr. Culver
  • Colorado median
Medicare services
1,428vs 1,20818% above
Medicare patients
154vs 1456% above
Part D claims
662vs 3262.0 times

Medians across 66 allergists and immunologists in Colorado with Dmand AI profiles that report each measure.

Dr. Culver's 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. Culver

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

Dr. William G. Culver treated 154 Medicare patients in 2024, average age 72

CMS counts 154 Medicare patients who saw Dr. Culver in 2024. The largest group is 65 to 74, with 85 patients. 62% of them have high cholesterol, and 61% have high blood pressure. Their average risk score is 0.99, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Culver's median patient age at 42, with 60% women.

Medicare patients, 2024154
Average age72
Average risk score0.99

Dr. Culver's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Culver's Medicare patients by sex, 2024

  • Women10568%
  • Men4932%

Chronic conditions among Dr. Culver's Medicare patients, 2024

  1. High cholesterol62%
  2. High blood pressure61%
  3. Arthritis50%
  4. Asthma45%
  5. Anxiety23%
  6. Mood disorders22%
  7. Depression20%
  8. Osteoporosis19%

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

Dr. Culver's patients across all payers

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

Patient panel by age, all payers

Median age 42

Patient panel by sex, all payers

  • Women60%
  • Men39%

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

Dr. William G. Culver wrote 831 Medicare Part D claims in 2024

In 2024, Dr. Culver wrote 831 Medicare Part D claims for 147 patients. 62% of them were for generic drugs. CMS names the drug for 662 of them, across 19 drugs with 11 or more claims each, at $412,972 in total drug cost. In 2023, CMS named 863 claims across 25 drugs.

Part D claims, 2024831
Drugs named by CMS19
Total drug cost$412,972
Part D patients147

Dr. Culver's Part D claims by kind of drug, 2024

  • Generic519 claims62%
  • Brand-name312 claims38%

Dr. Culver's most prescribed drugs by claims, 2024

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

Drug classes CMS tracks in Dr. Culver's Part D claims, 2024

  • Antibiotics5%40 of 831 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 8632024: 66223%

Drugs named by CMS: 19 in 2024, 25 in 2023.

See all prescribing by Dr. Culver

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 G. Culver takes part in Medicare

Dr. Culver 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)

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Dr. William G. Culver received $10,513 in industry payments from 2016 to 2025

CMS Open Payments shows 458 general payments to Dr. Culver from 32 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. AstraZeneca Pharmaceuticals LP paid the most, $2,916.

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

General payments to Dr. Culver by kind, 2016 to 2025

$10.5Kin total
  • Food and beverage$10,09896%
  • Speaker and faculty fees$2002%
  • Education$1902%
  • Honoraria$250%

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

Share is of all general payments to this clinician.

See all payments to Dr. Culver

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

Dr. William G. Culver has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Culver, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Culver

  1. 2013
    • CMS Stage 1 EHR
  2. Undated
    • AAAAI Fellow

Source: Dmand AI Professional Profile Data

Dr. William G. Culver graduated from University of Colorado Anschutz Medical Campus

Dr. Culver graduated from University of Colorado Anschutz Medical Campus in 1972. Dr. Culver is a member of AOA, AAAAI and ACP.

  1. Medical schoolUniversity of Colorado Anschutz Medical Campus
  2. Board certified in allergy & immunologyAmerican Board of Allergy and Immunology
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. William G. Culver accepts plans from 16 insurance carriers

Dr. Culver is in network with 16 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

Plan types Dr. Culver accepts, by number of carriers

  1. PPO11
  2. Medicare10
  3. HMO7
  4. POS7
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. William G. Culver'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)Medicare Part D Prescribers - by Provider (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)
Awards and committee rolesDmand AI Professional Profile Data
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. William G. Culver

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 G. Culver's NPI number?

Dr. William G. Culver's NPI number is 1598747826. It was assigned on November 14, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. William G. Culver?

Dr. William G. Culver is an allergist and immunologist in Greeley, Colorado. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).

Where does Dr. William G. Culver practice?

Dr. Culver practices at 6801 W 20th St, Greeley, CO 80634. Dr. Culver's primary practice is Allergy Partners of Northern Colorado in Greeley, Colorado. Dmand AI also links Dr. Culver to 1 hospital, 2 group practices and clinics and 1 medical group.

What is Dr. William G. Culver's office phone number?

The practice phone on file for Dr. Culver is (970) 330-5391.

What is Dr. William G. Culver's medical license number?

Dr. Culver holds Colorado license 18320, one of the licenses on file in 3 states.

Which states has Dr. William G. Culver been licensed in?

Dmand AI has state licenses on file for Dr. Culver in Colorado (1973 to 2027), Wyoming (1989 to 2012) and Texas (1974 to 1988).

Which hospitals is Dr. William G. Culver affiliated with?

Dr. Culver is affiliated with Banner North Colorado Medical Center. Dmand AI links Dr. Culver to 1 more hospital.

What medical group is Dr. William G. Culver part of?

Dr. Culver is linked to Allergy Partners of Northern Colorado. Dmand AI links Dr. Culver to 1 more medical group.

Does Dr. William G. Culver accept Medicare?

Yes. CMS data shows Dr. Culver billed Medicare for 1,428 services in 2024, and Dr. Culver accepts Medicare assignment.

How many Medicare patients does Dr. William G. Culver see?

CMS counts 154 Medicare patients who saw Dr. Culver in 2024, with an average age of 72.

Show 7 more questionsShow fewer questions

Is Dr. William G. Culver board certified?

Yes. Dr. Culver is board certified in allergy & immunology by the American Board of Allergy and Immunology.

What services does Dr. William G. Culver bill to Medicare?

In 2024, Dr. Culver's most billed Medicare services were allergy test or treatment (95004), office visit, established patient (99213) and allergy test or treatment (95024).

Where did Dr. William G. Culver go to medical school?

Dr. Culver graduated from University of Colorado Anschutz Medical Campus in 1972.

What drugs does Dr. William G. Culver prescribe most?

In 2024 Medicare Part D data, Dr. Culver's most prescribed drugs by claims were Montelukast Sodium, Albuterol Sulfate Hfa and Prednisone.

Has Dr. William G. Culver received payments from drug or device companies?

CMS Open Payments shows $10,513 in general payments to Dr. Culver from 32 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. William G. Culver been practicing?

Dr. Culver graduated from medical school in 1972, 54 years ago.

What insurance does Dr. William G. Culver accept?

Dr. Culver is in network with 16 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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