Physician Profile
Leslie R. Gass, DO
Unclaimed ProfileAbout Dr. Gass
Based in Portland, ME, Leslie R. Gass, DO is listed in the NPI registry under osteopathic manipulative medicine. Leslie graduated from University of New England, College of Osteo Medicine in 2001. Medicare claims data shows Leslie provided 268 services to 52 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, osteopathic manipulative treatment, 9-10 body regions, and osteopathic manipulative treatment, 7-8 body regions.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (207) 773-7330
- Email not available
Practice Locations
535 OCEAN AVE
Portland, ME 04103
Procedures Most Often Billed to Medicare
268 services · 52 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Osteopathic manipulative treatment, 9-10 body regions | Treatment | 98929 |
74 | As often as other peers in OSTEOPATHIC MANIPULATIVE MEDICINE |
| Osteopathic manipulative treatment, 7-8 body regions | Treatment | 98928 |
65 | As often as other peers in OSTEOPATHIC MANIPULATIVE MEDICINE |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
129 | As often as other peers in OSTEOPATHIC MANIPULATIVE MEDICINE |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other osteopathic manipulative medicines at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other osteopathic manipulative medicines in Portland 5
Same specialty, same city.
More connections — 20 related providers in 3 groups
Trained at University of New England, College of Osteo Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 2001 at University of New England, College of Osteo Medicine 6
Providers who graduated from the same medical school in the same year.
Also performs Osteopathic manipulative treatment, 9-10 body regions 7
Providers in ME who bill this service to Medicare most often.
Common questions
What does Dr. Gass specialize in?
Dr. Gass is an osteopathic manipulative medicine in Portland, ME. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Gass located?
Dr. Gass is listed at 535 Ocean Ave, Portland, ME 04103. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Gass's phone number?
The number on file is (207) 773-7330. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Gass?
Dr. Gass's National Provider Identifier is 1679668453. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Gass go to medical school?
Dr. Gass attended University of New England, College of Osteo Medicine, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Gass have?
Dr. Gass has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Gass do most often?
According to Medicare billing data, Dr. Gass provides treatments such as osteopathic manipulative treatment, 9-10 body regions and osteopathic manipulative treatment, 7-8 body regions, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Gass's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gass. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.