John M. Sullivan, M.D. and Associates LLC
NPI 1235209271 · Allergy Physician · Mechanicsburg, PA
John M. Sullivan, M.D. and Associates LLC is a Allergy Physician organization in Mechanicsburg, PA (NPI 1235209271).
Provider details
- NPI number
- 1235209271
- Entity type
- Organization
- Primary specialty
- Allergy PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Sullivan, Owner(717) 697-5050
- License
- MD018511-E (PA)
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
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
Mailing address
Registry dates
- Enumerated
- 2006-11-08
- Last updated
- 2010-08-05
Frequently asked questions
- What is John M. Sullivan, M.D. and Associates LLC's NPI number?
- John M. Sullivan, M.D. and Associates LLC's National Provider Identifier (NPI) is 1235209271, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John M. Sullivan, M.D. and Associates LLC?
- John M. Sullivan, M.D. and Associates LLC is classified in the NPPES registry as Allergy Physician (Allopathic & Osteopathic Physicians).
- Where is John M. Sullivan, M.D. and Associates LLC located?
- John M. Sullivan, M.D. and Associates LLC's practice location on file with NPPES is 1001 S Market St, Mechanicsburg, PA 17055-4748.
- What is John M. Sullivan, M.D. and Associates LLC's phone number?
- The practice phone number listed in the NPPES registry for John M. Sullivan, M.D. and Associates LLC is (717) 697-5050.
- Who is the authorized official for John M. Sullivan, M.D. and Associates LLC?
- The authorized official listed on John M. Sullivan, M.D. and Associates LLC's NPPES record is John Sullivan, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John M. Sullivan, M.D. and Associates LLC's NPI active?
- Yes — John M. Sullivan, M.D. and Associates LLC's NPI (1235209271) is active in the NPPES registry as of the last update on 2010-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.