Gregory K. Suelzle, M.D., a Medical Corporation
NPI 1386890044 · Interventional Pain Medicine Physician · Upland, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory K. Suelzle, M.D., a Medical Corporation is a Interventional Pain Medicine Physician organization in Upland, CA (NPI 1386890044).
Provider details
- NPI number
- 1386890044
- Entity type
- Organization
- Primary specialty
- Interventional Pain Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Gregory Suelzle, Owner(909) 981-0608
- License
- G78385 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
Other names (DBA / former)
- Doing business as
- Upland Grove Medical Group
Registry dates
- Enumerated
- 2008-08-13
- Last updated
- 2014-04-21
Frequently asked questions
- What is Gregory K. Suelzle, M.D., a Medical Corporation's NPI number?
- Gregory K. Suelzle, M.D., a Medical Corporation's National Provider Identifier (NPI) is 1386890044, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gregory K. Suelzle, M.D., a Medical Corporation?
- Gregory K. Suelzle, M.D., a Medical Corporation is classified in the NPPES registry as Interventional Pain Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory K. Suelzle, M.D., a Medical Corporation located?
- Gregory K. Suelzle, M.D., a Medical Corporation's practice location on file with NPPES is 1330 San Bernardino Rd, Upland, CA 91786-4928.
- What is Gregory K. Suelzle, M.D., a Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for Gregory K. Suelzle, M.D., a Medical Corporation is (909) 981-0608.
- Does Gregory K. Suelzle, M.D., a Medical Corporation accept Medicare?
- Gregory K. Suelzle, M.D., a Medical Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Gregory K. Suelzle, M.D., a Medical Corporation?
- The authorized official listed on Gregory K. Suelzle, M.D., a Medical Corporation's NPPES record is Gregory Suelzle, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gregory K. Suelzle, M.D., a Medical Corporation's NPI active?
- Yes — Gregory K. Suelzle, M.D., a Medical Corporation's NPI (1386890044) is active in the NPPES registry as of the last update on 2014-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.