Gregory Proctor, MD
Nephrology Physician · Aurora, CO
Gregory Proctor, MD is a nephrology physician with a practice address in Aurora, Colorado, and NPI 1447306063, issued on Jan 26, 2007. Check the license (Colorado 41570, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory Proctor
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 41570 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1411 S Potomac St Ste 200, Aurora, CO 80012
- Phone
- (303) 327-4700
- Enumerated
- Jan 26, 2007
- Record last updated
- Feb 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (303) 327-4711
- Medicaid ID
- 61132276 CO
- Medicare enrollment
- Enrolled (PECOS I20031110000488); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 182 in Colorado → Look up another NPI →
Also registered at 1411 S Potomac St Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah BaneNurse Practitioner1336873041
- Myriam Lallinger, M.D.Nephrology Physician1326326414
- Tina MichaelAcute Care Nurse Practitioner1780254490
- Nhu Quynh Nguyen, FNPFamily Nurse Practitioner1558916866
- Ashley Pyle, M.D.Nephrology Physician1013115989
- Jitendar Rao, MDNephrology Physician1285616573
Verify Gregory Proctor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 41570Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average nephrology physician in 2024
679 Medicare Part D claims for 139 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Jardiance85 claims
- Farxiga69 claims
- Lisinopril69 claims
- Furosemide48 claims
- Calcitriol33 claims
- Amlodipine Besylate32 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: $341.72
11 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,230 providers of this specialty with any payment received $3,091.37 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
- Denver Nephrologists PCAurora, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Proctor among 182 nephrology physician records in Colorado
Gregory Proctor, MD is one of 182 nephrology physician records with a practice address in Colorado. 81% 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 54% of them.
- NPI issued2007 · 54% of these records are older, 31% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2000 · median 2002 among the 133 with a school on file
- Record last updated2020 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Colorado
There are 182 nephrology physician records in Colorado.
All 182 in Colorado → Every provider in Aurora → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Kaveh Kian, MDAurora, CO 800121518946011
- Myriam Lallinger, M.D.Aurora, CO 800121326326414
- Neil Manek, M.D.Aurora, CO 800121891950234
- Ashley Pyle, M.D.Aurora, CO 800121013115989
- Jitendar Rao, MDAurora, CO 800121285616573
- Paul Sakiewicz, MDAurora, CO 800121710969902
- Florian Toegel, M.D., PH. D.Aurora, CO 800121154555704
- Adolfo Villar, MDAurora, CO 800121437131638
Common questions
What is Gregory Proctor, MD's NPI number?
Gregory Proctor, MD's National Provider Identifier (NPI) is 1447306063, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Proctor, MD located?
The NPPES record lists a practice address at 1411 S Potomac St Ste 200, Aurora, CO, 80012. Phone: (303) 327-4700. Providers update this record themselves, so call before visiting.
How can I verify Gregory Proctor, MD's license?
NPPES lists Colorado license number 41570, 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 Gregory Proctor, MD prescribe under Medicare Part D?
In 2024, Gregory Proctor, MD had 679 Medicare Part D claims for 139 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.