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DR. GREGORY L. PENNER M.D.
NPI 1275610198
Specialist in Brunswick, ME

Active since November 01, 2006PECOS EnrolledAccepts Medicare Assignment
98.06/100
CMS Quality Rating
331 MAINE ST STE 4, BRUNSWICK, ME 04011(207) 721-0911(207) 721-9729 Get Directions Write a Review

NPPES record last updated: June 22, 2015. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Gregory L. Penner M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GREGORY L. PENNER M.D. (NPI 1275610198) is an individual specialist in Brunswick, Maine, licensed in Maine (12949) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Mid Coast Hospital, and is a graduate of Loma Linda University School Of Medicine (1983).

NPPES Registry Identity

NPI1275610198
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. GREGORY L. PENNERCredential: M.D.
Location Address331 MAINE ST STE 4Brunswick, ME 04011-3359
Mailing Address331 Maine St, Suite 4Brunswick, ME 04011-3358 · (207) 721-0911 · Fax (207) 721-9729
Phone(207) 721-0911
Fax(207) 721-9729
Sole ProprietorYes
Medical School CMSLoma Linda University School Of MedicineGraduated 1983
Enumeration DateNovember 1, 2006
Last NPPES UpdateJune 22, 2015
✔ NPI 1275610198 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in ME · 12949
Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

331 MAINE ST STE 4, Brunswick, ME 04011
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Other Identifiers 6

Other017636ME · Bs
Other1027557ME · Aetna
Medicaid122050000ME
Medicare PINMM3075ME
Medicare UPINC93501ME
Medicare PINE400187362ME

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Gregory L. Penner M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1850289869
PECOS Enrollment IDI20040310000106
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
118 services95 patients
Removal of impacted ear wax 69210
Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.
83 services61 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
80 services80 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
63 services51 patients
Exam of ear using a microscope 92504
An exam of the ear using a microscope allows a detailed view of the ear structures. This non-invasive procedure helps identify issues such as infections, blockages, or ear damage. It's a safe, quick, and painless way to evaluate ear health.
51 services47 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
51 services28 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mid Coast Hospital

Acute Care Hospitals · Brunswick, ME
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200021
Location123 Medical Center DriveBrunswick, ME 04011 · Cumberland County
Emergency services Birthing friendly

Maine General Medical Center

Acute Care Hospitals · Augusta, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number200039
Location35 Medical Center ParkwayAugusta, ME 04330 · Kennebec County
Emergency services Birthing friendly

Waldo County General Hospital

Critical Access Hospitals · Belfast, ME
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number201312
Location118 Northport AveBelfast, ME 04915 · Waldo County
Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.13
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. PETER D O'CONNOR M.D., O.D.
Otolaryngology
331 MAINE ST STE 4
BRUNSWICK, ME 04011
Cumberland County (207) 721-0911
MICHELLE HAMMOND BARBER NP
Nurse Practitioner
331 MAINE ST STE 4
BRUNSWICK, ME 04011
Cumberland County (207) 721-9277
OASIS HEALTH NETWORK, INC.
Voluntary or Charitable
331 MAINE ST STE 4
BRUNSWICK, ME 04011
Cumberland County (207) 721-9277

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Penner's NPI number?

The NPI number for Gregory Penner is 1275610198. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Gregory Penner located?

Gregory Penner practices at 331 Maine St Ste 4, Brunswick, ME 04011. The listed phone number is (207) 721-0911.

What is Gregory Penner's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Gregory Penner enrolled in Medicare?

Yes. Gregory Penner is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Gregory Penner accept?

Health plans from Harvard Pilgrim Health Care list Gregory Penner as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Gregory Penner affiliated with any hospitals?

According to CMS data, Gregory Penner is affiliated with Mid Coast Hospital, Maine General Medical Center and Waldo County General Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Penner was last updated on June 22, 2015. NPI Profile syncs with the weekly NPPES data releases published by CMS.