Allison Kay Nitsch, MD
Internal Medicine Physician · Denver, CO
Allison Kay Nitsch, MD is an internal medicine physician with a practice address in Denver, Colorado, and NPI 1831488790, issued on Mar 31, 2011. Check the license (Colorado 53067, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Allison Kay Nitsch
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 53067 CO
DR.0053067 CO
Self-reported in NPPES; status is on the state search - Practice location
- 777 Bannock St, Denver, CO 80204
- Phone
- (303) 602-3810
- Enumerated
- Mar 31, 2011
- Record last updated
- Jun 4, 2024
- Fax
- (303) 602-3811
- Medicaid ID
- 79304001 CO
- Medicare enrollment
- Enrolled (PECOS I20140729000999); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,046 in Colorado → Look up another NPI →
Also registered at 777 Bannock St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eric Aaltonen, M.D.Vascular & Interventional Radiology Physician1538340344
- Sarah Abbott, LCSWClinical Social Worker1326519042
- Ejaaz Abdulkabir, CNMAdvanced Practice Midwife1710551783
- Miren Aboitiz, NP-CWomen's Health Nurse Practitioner1568862282
- Edgar Acosta, MSWClinical Social Worker1467900381
- Shanie Adaime, RDHDental Hygienist1083318554
Verify Allison Kay Nitsch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 53067Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
15 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Denver Health And Hospital AuthorityDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allison Kay Nitsch among 2,046 internal medicine physician records in Colorado
Allison Kay Nitsch, MD is one of 2,046 internal medicine physician records with a practice address in Colorado. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 69% of them.
- NPI issued2011 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2011 · median 2006 among the 1,090 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
493 internal medicine physician records list a practice address in Denver
They are 493 of the 25,068 NPPES records with a practice address in Denver, and 2,046 internal medicine physician records in Colorado.
All 2,046 in Colorado → Every provider in Denver → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Irene Aguilar, MDDenver, CO 802041790710317
- Alicia Appel, MDDenver, CO 802041164441754
- Holly Batal, MDDenver, CO 802041700811361
- David Brody, MDDenver, CO 802041497783914
- Cynthia Crews, MDDenver, CO 802041851315931
- Peter Crum, MDDenver, CO 802041457372351
- Raymond Estacio, MDDenver, CO 802041275556318
- Rebecca Hanratty, MDDenver, CO 802041649294307
Common questions
What is Allison Kay Nitsch, MD's NPI number?
Allison Kay Nitsch, MD's National Provider Identifier (NPI) is 1831488790, issued on Mar 31, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Allison Kay Nitsch, MD located?
The NPPES record lists a practice address at 777 Bannock St, Denver, CO, 80204. Phone: (303) 602-3810. Providers update this record themselves, so call before visiting.
How can I verify Allison Kay Nitsch, MD's license?
NPPES lists Colorado license number 53067, 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 Allison Kay Nitsch, MD prescribe under Medicare Part D?
In 2024, Allison Kay Nitsch, MD had 15 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.