Marc H Tanenbaum MD PC
NPI 1598964785 · Family Medicine Physician · Longmont, CO
Marc H Tanenbaum MD PC is a Family Medicine Physician organization in Longmont, CO (NPI 1598964785).
Provider details
- NPI number
- 1598964785
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Marc Tanenbaum, Owner(303) 776-7300
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
Mailing address
Registry dates
- Enumerated
- 2007-07-17
- Last updated
- 2007-07-17
Frequently asked questions
- What is Marc H Tanenbaum MD PC's NPI number?
- Marc H Tanenbaum MD PC's National Provider Identifier (NPI) is 1598964785, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Marc H Tanenbaum MD PC?
- Marc H Tanenbaum MD PC is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marc H Tanenbaum MD PC located?
- Marc H Tanenbaum MD PC's practice location on file with NPPES is 1350 Stuart St, Longmont, CO 80501-3156.
- What is Marc H Tanenbaum MD PC's phone number?
- The practice phone number listed in the NPPES registry for Marc H Tanenbaum MD PC is (303) 776-7300.
- Who is the authorized official for Marc H Tanenbaum MD PC?
- The authorized official listed on Marc H Tanenbaum MD PC's NPPES record is Marc Tanenbaum, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Marc H Tanenbaum MD PC's NPI active?
- Yes — Marc H Tanenbaum MD PC's NPI (1598964785) is active in the NPPES registry as of the last update on 2007-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.