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Mary Louise Bates, M.D.
NPI 1427035666 · Anesthesiology Physician · Portland, ME
Mary Louise Bates, M.D. is a Anesthesiology Physician provider in Portland, ME (NPI 1427035666).
Provider details
- NPI number
- 1427035666
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD19752 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
144 State St
Portland, ME 04101-3776
Phone: (207) 879-3385
Street-level locationGet directions
Mailing address
324 Gannett Dr Ste 200
Portland, ME 04106-3266
Registry dates
- Enumerated
- 2005-12-29
- Last updated
- 2015-11-02
Frequently asked questions
- What is Mary Louise Bates's NPI number?
- Mary Louise Bates's National Provider Identifier (NPI) is 1427035666, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Louise Bates's specialty?
- Mary Louise Bates is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Louise Bates located?
- Mary Louise Bates's practice location on file with NPPES is 144 State St, Portland, ME 04101-3776.
- What is Mary Louise Bates's phone number?
- The practice phone number listed in the NPPES registry for Mary Louise Bates is (207) 879-3385.
- Is Mary Louise Bates's NPI active?
- Yes — Mary Louise Bates's NPI (1427035666) is active in the NPPES registry as of the last update on 2015-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.