Steven Nafziger, MD
Family Medicine Physician · Pueblo, CO
Steven Nafziger, MD is a family medicine physician with a practice address in Pueblo, Colorado, and NPI 1043442791, issued on Aug 13, 2009. Check the license (Colorado 26913, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Steven Nafziger
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 26913 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1619 N Greenwood St, Pueblo, CO 81003
- Phone
- (719) 544-1551
- Enumerated
- Aug 13, 2009
- Record last updated
- Aug 13, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (719) 544-1493
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,563 in Colorado → Look up another NPI →
Also registered at 1619 N Greenwood St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Steven Nafziger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 26913Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average family medicine physician in 2024
814 Medicare Part D claims for 209 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 28 claims were for opioids.
Most prescribed
- Atorvastatin Calcium61 claims
- Levothyroxine Sodium44 claims
- Amlodipine Besylate42 claims
- Lisinopril40 claims
- Albuterol Sulfate Hfa35 claims
- Omeprazole27 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.
Steven Nafziger among 3,563 family medicine physician records in Colorado
Steven Nafziger, MD is one of 3,563 family medicine physician records with a practice address in Colorado. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 62% of them.
- NPI issued2009 · 62% of these records are older, 36% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2009 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
104 family medicine physician records list a practice address in Pueblo
They are 104 of the 3,717 NPPES records with a practice address in Pueblo, and 3,563 family medicine physician records in Colorado.
All 3,563 in Colorado → Every provider in Pueblo → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Gregory Berens, MDPueblo, CO 810031245295013
- Timothy Cawlfield, M.D.Pueblo, CO 810031992900781
- Nancy Chuch, MDPueblo, CO 810031154386365
- Elizabeth Garcia, M.D.Pueblo, CO 810031669408654
- Harry Keefe, MDPueblo, CO 810031558326264
- Guy Kemling, MDPueblo, CO 810031154386795
- Roger Mann, M.D.Pueblo, CO 810031568441269
- Nancy Moya, M.D.Pueblo, CO 810031922177831
Common questions
What is Steven Nafziger, MD's NPI number?
Steven Nafziger, MD's National Provider Identifier (NPI) is 1043442791, issued on Aug 13, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Steven Nafziger, MD located?
The NPPES record lists a practice address at 1619 N Greenwood St, Pueblo, CO, 81003. Phone: (719) 544-1551. Providers update this record themselves, so call before visiting.
How can I verify Steven Nafziger, MD's license?
NPPES lists Colorado license number 26913, 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 Steven Nafziger, MD prescribe under Medicare Part D?
In 2024, Steven Nafziger, MD had 814 Medicare Part D claims for 209 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.