Jan Gillespie-Wagner, MD
Interventional Pain Medicine Physician · Greeley, CO
Jan Gillespie-Wagner, MD is an interventional pain medicine physician with a practice address in Greeley, Colorado, and NPI 1043293921, issued on Nov 23, 2005. Check the license (Colorado 26768, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jan Gillespie-Wagner
- Credential
- MD
- Primary taxonomy
- Interventional Pain Medicine Physician 208VP0014X
- License number
- 26768 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1175 58TH Ave, Greeley, CO 80634
- Phone
- (970) 495-0444
- Enumerated
- Nov 23, 2005
- Record last updated
- Nov 30, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (970) 488-3106
- Medicaid IDs
- 01267681 CO
102189300 WY - Medicare enrollment
- Enrolled (PECOS I20080825000462); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest interventional pain medicine physician records → All 28 in Colorado → Look up another NPI →
Also registered at 1175 58TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cynthia Dean, CNMAdvanced Practice Midwife1235178880
- Karen Jones, PA-CMedical Physician Assistant1265409742
- Valdon Landes, DOPain Medicine (Anesthesiology) Physician1750330312
- Melissa Martinez, PA-CMedical Physician Assistant1063697449
- Mary Maxwell, MDAnesthesiology Physician1649265265
- Alan Merkow, MDAnesthesiology Physician1073543062
Verify Jan Gillespie-Wagner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 26768Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average interventional pain medicine physician in 2024
373 Medicare Part D claims for 122 beneficiaries, against an average of 2,306 among the 2,100 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 196 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen48 claims
- Oxycodone-Acetaminophen39 claims
- Gabapentin33 claims
- Buprenorphine22 claims
- Oxycodone Hcl19 claims
- Tramadol Hcl18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $606.55
25 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 1,966 providers of this specialty with any payment received $3,889.53 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Intermountain Anesthesia Professional Consultants LLPGreeley, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jan Gillespie-Wagner among 28 interventional pain medicine physician records in Colorado
Jan Gillespie-Wagner, MD is one of 28 interventional pain medicine physician records with a practice address in Colorado. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 82% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1985 · median 2001 among the 18 with a school on file
- Record last updated2020 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208VP0014X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Pain Medicine Physician providers in Colorado
There are 28 interventional pain medicine physician records in Colorado.
All 28 in Colorado → Every provider in Greeley → Interventional Pain Medicine Physician nationwide →
The 8 interventional pain medicine physician records with the nearest ZIP codes
- Chloe McCulloch, MDGreeley, CO 806341306058599
- Phillip Abston, MDGreeley, CO 806311013997675
- Michael Brown, DOFort Collins, CO 805251265674279
- George Girardi, M.D.Fort Collins, CO 805251346238136
- Ricardo Nieves, MDFort Collins, CO 805241003909276
- Brian Siegel, MDSteamboat Springs, CO 804871346258738
- Joseph Brooks, M.D.Colorado Springs, CO 809071932140498
- Maria VanushkinaColorado Springs, CO 809201497133987
Common questions
What is Jan Gillespie-Wagner, MD's NPI number?
Jan Gillespie-Wagner, MD's National Provider Identifier (NPI) is 1043293921, issued on Nov 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jan Gillespie-Wagner, MD located?
The NPPES record lists a practice address at 1175 58TH Ave, Greeley, CO, 80634. Phone: (970) 495-0444. Providers update this record themselves, so call before visiting.
How can I verify Jan Gillespie-Wagner, MD's license?
NPPES lists Colorado license number 26768, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jan Gillespie-Wagner, MD prescribe under Medicare Part D?
In 2024, Jan Gillespie-Wagner, MD had 373 Medicare Part D claims for 122 beneficiaries; the average among interventional pain medicine physician prescribers was 2,306. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.