Gregory Charles Grahek, NP-BC
Acute Care Nurse Practitioner · Pueblo, CO
Gregory Charles Grahek, NP-BC is an acute care nurse practitioner with a practice address in Pueblo, Colorado, and NPI 1558554188, issued on Aug 27, 2007. Check the license (Colorado 173720-5414, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Charles Grahek
- Credential
- NP-BC
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License numbers
- 173720-5414 CO
5441 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1619 N Greenwood St Ste 208, Pueblo, CO 81003
- Phone
- (719) 564-4336
- Enumerated
- Aug 27, 2007
- Record last updated
- Jan 7, 2025
- Fax
- (719) 561-8469
- Medicaid ID
- 333409528 CO
- Medicare enrollment
- Enrolled (PECOS I20070924000065); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 397 in Colorado → Look up another NPI →
Also registered at 1619 N Greenwood St Ste 208
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jamie Curry, NP-CFamily Nurse Practitioner1396298196
- Michelle Hartke, RN, MSN, FNP-CFamily Nurse Practitioner1124397559
- Guy Kemling, MDFamily Medicine Physician1154386795
Verify Gregory Charles Grahek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 173720-5414Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16.1 times the Medicare Part D claims of the average acute care nurse practitioner in 2024
9,538 Medicare Part D claims for 530 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 669 claims were for opioids.
Most prescribed
- Atorvastatin Calcium735 claims
- Gabapentin420 claims
- Levothyroxine Sodium377 claims
- Hydrocodone-Acetaminophen341 claims
- Lisinopril315 claims
- Metformin Hcl227 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: $470.88
24 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,984 providers of this specialty with any payment received $647.94 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
- Ted J Puls MD PCPueblo, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Charles Grahek among 397 acute care nurse practitioner records in Colorado
Gregory Charles Grahek, NP-BC is one of 397 acute care nurse practitioner records with a practice address in Colorado. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 7% of them.
- NPI issued2007 · 7% of these records are older, 89% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2007 · median 2019 among the 244 with a school on file
- Record last updated2025 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in Colorado
There are 397 acute care nurse practitioner records in Colorado.
All 397 in Colorado → Every provider in Pueblo → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Nicole Bartolo, AGACNP-BC, & FNP-BCPueblo, CO 810031679104244
- Erin Beatty, FNP,ACNPPueblo, CO 810031891918371
- Suzanne Brenish, NPPueblo, CO 810031598421877
- Gregory Charleston, AGACNP-BCPueblo, CO 810031760246706
- Olivia Cisneros, NPPueblo, CO 810031386401800
- Carla Jackson-Howard, ACNP-BCPueblo, CO 810031629246665
- Jamison Lester, AGACNP-BC, FNP-BCPueblo, CO 810031346718855
- Daniel Mirshamsi, APNPueblo, CO 810031811400849
Common questions
What is Gregory Charles Grahek, NP-BC's NPI number?
Gregory Charles Grahek, NP-BC's National Provider Identifier (NPI) is 1558554188, issued on Aug 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Charles Grahek, NP-BC located?
The NPPES record lists a practice address at 1619 N Greenwood St Ste 208, Pueblo, CO, 81003. Phone: (719) 564-4336. Providers update this record themselves, so call before visiting.
How can I verify Gregory Charles Grahek, NP-BC's license?
NPPES lists Colorado license number 173720-5414, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Charles Grahek, NP-BC prescribe under Medicare Part D?
In 2024, Gregory Charles Grahek, NP-BC had 9,538 Medicare Part D claims for 530 beneficiaries; the average among acute care nurse practitioner prescribers was 594. 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.