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Gregory Ippen, M.D.
NPI 1629194188 · Internal Medicine Physician · Denver, CO
Gregory Ippen, M.D. is a Internal Medicine Physician provider in Denver, CO (NPI 1629194188).
Provider details
- NPI number
- 1629194188
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 23978 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1835 Franklin St
Cpmg Hospitalist Services, 5th Floor
Denver, CO 80218-1126
Phone: (303) 338-4545
Street-level locationGet directions
Mailing address
1835 Franklin St
Denver, CO 80218-1126
Registry dates
- Enumerated
- 2007-03-22
- Last updated
- 2016-03-11
Frequently asked questions
- What is Gregory Ippen's NPI number?
- Gregory Ippen's National Provider Identifier (NPI) is 1629194188, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Ippen's specialty?
- Gregory Ippen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Ippen located?
- Gregory Ippen's practice location on file with NPPES is 1835 Franklin St, Denver, CO 80218-1126.
- What is Gregory Ippen's phone number?
- The practice phone number listed in the NPPES registry for Gregory Ippen is (303) 338-4545.
- Is Gregory Ippen's NPI active?
- Yes — Gregory Ippen's NPI (1629194188) is active in the NPPES registry as of the last update on 2016-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.