Active NPI 1275610198 Individual Practitioner Male Practitioner

Dr. Gregory L. Penner , MD

Specialist • Brunswick, ME

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Gregory Penner, MD is a certified Specialist practicing in Brunswick, ME. With approximately 43 years of clinical experience since graduating from Loma Linda University School Of Medicine in 1983, Dr. Penner delivers high-quality medical care to the local community at 331 MAINE ST STE 4.

Dr. Penner is affiliated with Mainehealth and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, removal of impacted ear wax, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

331 Maine St Ste 4

Brunswick, ME 040113359

Telephone 2077210911

Fax 2077219729

Associated Practice Facility / Clinic

🏢 Oasis Health Network, Inc. Facility NPI 1790951234

Medicare Profile & Education

Medical School

Loma Linda University School Of Medicine

Graduation Year

1983

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Specialist in Brunswick, ME

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

43 Yrs Matches City Avg

City Avg: 43.0 Yrs

State Avg: 33.1 Yrs

Regional Practice Density

7 Specialists

Practicing in Brunswick, ME (267 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

55.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Penner (43 Years) 43 Yrs

Brunswick Specialty Average (43.0 Years) 43.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	118	95	$139.89	$65.76
69210 Removal of impacted ear wax	83	61	$126.75	$31.24
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	80	80	$173.43	$81.26
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	63	51	$203.56	$98.26
92504 Exam of ear using a microscope	51	47	$27.33	$9.20
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	51	28	$74.00	$35.44
31231 Diagnostic examination of nasal passages using an endoscope	49	25	$142.39	$64.57
92567 Eardrum testing using ear probe	43	43	$23.74	$10.92
31575 Diagnostic exam of voice box using a flexible endoscope	42	41	$152.24	$69.71
92557 Comprehensive hearing and speech recognition test	37	37	$70.59	$32.27
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$284.65	$127.58

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
95165 Professional service for preparation and provision of 1 or more antigens	382	16	$6.26	$3.29
99213 Established patient office or other outpatient visit, typically 15 minutes	115	87	$86.40	$64.37
69210 Removal of impacted ear wax	83	60	$119.00	$31.47
92504 Exam of ear using a microscope	69	61	$53.14	$9.15
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	67	67	$125.06	$81.33
92567 Eardrum testing using ear probe	60	57	$23.72	$10.77
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	59	50	$149.93	$95.08
31231 Diagnostic examination of nasal passages using an endoscope	47	28	$141.68	$63.66
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	42	31	$50.31	$34.41
92504 Exam of ear using a microscope	32	31	$19.00	$9.10
31575 Diagnostic exam of voice box using a flexible endoscope	31	27	$143.97	$67.46
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	31	31	$115.00	$79.00
99213 Established patient office or other outpatient visit, typically 15 minutes	25	21	$65.00	$63.27
99202 New patient office or other outpatient visit, typically 20 minutes	24	24	$53.00	$45.96
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$200.53	$128.28
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	14	$35.00	$34.02
69210 Removal of impacted ear wax	15	14	$65.00	$30.04
31231 Diagnostic examination of nasal passages using an endoscope	13	13	$141.00	$56.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
95165 Professional service for preparation and provision of 1 or more antigens	484	22	$10.36	$2.99
99213 Established patient office or other outpatient visit, typically 15 minutes	170	127	$68.00	$66.45
69210 Removal of impacted ear wax	120	86	$119.25	$32.12
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	87	87	$106.34	$82.53
92504 Exam of ear using a microscope	54	42	$55.44	$9.24
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	54	45	$122.32	$96.77
31231 Diagnostic examination of nasal passages using an endoscope	54	37	$144.81	$63.21
31575 Diagnostic exam of voice box using a flexible endoscope	40	36	$146.97	$64.89
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	36	29	$36.83	$34.19
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	24	24	$186.34	$129.69
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$120.84	$80.38
99213 Established patient office or other outpatient visit, typically 15 minutes	15	13	$65.00	$64.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	190	136	$67.94	$67.47
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	104	104	$106.12	$83.02
92504 Exam of ear using a microscope	100	84	$19.00	$9.36
69210 Removal of impacted ear wax	90	72	$107.88	$32.48
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	49	32	$34.00	$34.35
92557 Comprehensive hearing and speech recognition test	45	39	$67.00	$33.01
31231 Diagnostic examination of nasal passages using an endoscope	44	28	$134.64	$63.55
31575 Diagnostic exam of voice box using a flexible endoscope	33	32	$145.00	$66.21
92567 Eardrum testing using ear probe	33	32	$23.00	$10.80
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	29	29	$187.07	$135.10
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	26	25	$107.69	$99.64
99213 Established patient office or other outpatient visit, typically 15 minutes	20	20	$68.00	$67.54
69210 Removal of impacted ear wax	18	18	$114.72	$33.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	152	113	$68.67	$51.62
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	86	86	$104.00	$76.07
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	66	59	$34.00	$25.86
69210 Removal of impacted ear wax	60	55	$110.40	$33.15
92504 Exam of ear using a microscope	54	43	$19.00	$9.69
31575 Diagnostic exam of voice box using a flexible endoscope	32	28	$142.91	$67.49
92557 Comprehensive hearing and speech recognition test	30	28	$67.00	$33.42
92567 Eardrum testing using ear probe	24	23	$23.00	$11.14
31231 Diagnostic examination of nasal passages using an endoscope	17	13	$134.00	$62.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	254	166	$70.01	$50.74
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	116	116	$110.37	$75.41
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	66	66	$193.80	$74.00
31231 Diagnostic examination of nasal passages using an endoscope	59	23	$138.95	$63.66
92557 Comprehensive hearing and speech recognition test	56	52	$67.00	$33.00
99213 Established patient office or other outpatient visit, typically 15 minutes	55	40	$110.40	$49.85
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	53	28	$35.93	$25.40
69210 Removal of impacted ear wax	51	40	$85.24	$32.22
31575 Diagnostic exam of voice box using a flexible endoscope	47	44	$141.98	$68.11
92567 Eardrum testing using ear probe	34	33	$23.00	$11.00
31575 Diagnostic exam of voice box using a flexible endoscope	22	20	$296.91	$63.49
92511 Exam of the nose and throat using an endoscope	15	15	$99.00	$38.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	365	215	$69.40	$49.18
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	169	169	$104.00	$73.14
69210 Removal of impacted ear wax	79	66	$111.80	$31.23
31575 Diagnostic exam of voice box using a flexible endoscope	66	54	$141.41	$63.43
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	64	64	$200.53	$70.69
92557 Comprehensive hearing and speech recognition test	64	60	$67.00	$31.71
99213 Established patient office or other outpatient visit, typically 15 minutes	61	42	$129.36	$48.01
31231 Diagnostic examination of nasal passages using an endoscope	59	26	$134.00	$61.92
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	49	39	$34.00	$24.36
92567 Eardrum testing using ear probe	47	41	$23.00	$10.57
92511 Exam of the nose and throat using an endoscope	35	32	$104.11	$36.50
31575 Diagnostic exam of voice box using a flexible endoscope	26	20	$268.04	$59.88
30901 Simple control of nose bleed	19	12	$123.16	$54.07
92504 Exam of ear using a microscope	18	17	$46.78	$8.98
99202 New patient office or other outpatient visit, typically 20 minutes	13	13	$67.00	$48.42
30140 Removal of nasal air passage under lining tissue	11	11	$1785.82	$140.18

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	295	171	$69.38	$48.42
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	149	149	$104.00	$72.84
69210 Removal of impacted ear wax	76	68	$73.54	$30.07
99213 Established patient office or other outpatient visit, typically 15 minutes	71	46	$124.97	$47.44
31231 Diagnostic examination of nasal passages using an endoscope	65	23	$134.03	$62.09
31575 Diagnostic exam of voice box using a flexible endoscope	52	50	$140.33	$65.19
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	47	36	$34.00	$24.30
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	46	46	$178.87	$71.16
92557 Comprehensive hearing and speech recognition test	46	46	$67.17	$31.18
92567 Eardrum testing using ear probe	42	39	$23.17	$10.39
92511 Exam of the nose and throat using an endoscope	32	30	$104.59	$36.26
99202 New patient office or other outpatient visit, typically 20 minutes	27	27	$137.89	$46.90
31575 Diagnostic exam of voice box using a flexible endoscope	26	21	$149.00	$62.54
92504 Exam of ear using a microscope	22	19	$20.73	$8.51
92504 Exam of ear using a microscope	20	16	$19.00	$9.16
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	17	$69.00	$23.67
92511 Exam of the nose and throat using an endoscope	15	15	$76.00	$35.35
69433 Incision of eardrum with insertion of eardrum tube under local or topical anesthesia	13	12	$292.92	$127.25
30901 Simple control of nose bleed	13	12	$117.00	$54.11

Medical Specialties & State Licenses

Specialist Primary Specialty

NUCC Taxonomy Code: 174400000X

State License ME 12949

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

122050000 (ME)

Commercial Insurance / Payer ID Bs

017636 (ME)

Commercial Insurance / Payer ID Aetna

1027557 (ME)

Hospital & Practice Group Affiliations

Mainehealth

81 Medical Ctr Dr, Brunswick, ME 040112765

Mainehealth

22 Bramhall St, Portland, ME 041023134

Phone: 2078859905

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

9 Associated Practitioners

Linda Kelly , FNP

Nurse Practitioner - Family

NPI 1063790285

Family Nurse Practitioner

Dr. Shane Griffith , DO

Otolaryngology

NPI 1114346251

Doctor of Osteopathic Medicine (D.O.)

Dr. Lee Bauter , MD

Otolaryngology

NPI 1114506615

Doctor of Medicine (M.D.)

Dr. Bo Pang , DO

Otolaryngology - Facial Plastic Surgery

NPI 1134579519

Doctor of Osteopathic Medicine (D.O.)

Dr. Rebecca Bell , MD

Otolaryngology

NPI 1184201352

Doctor of Medicine (M.D.)

Courtney Osgood , PA-C

Physician Assistant - Surgical

NPI 1245914548

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active June 22, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location June 22, 2015

Registered at 331 MAINE ST STE 4, BRUNSWICK, ME 040113359 (Tel: 2077210911)

📍

Updated Business Mailing Address June 22, 2015

Registered at 331 MAINE ST, SUITE 4, BRUNSWICK, ME 040113358 (Tel: 2077210911)

👤

Provider Name / Credentials Updated June 22, 2015

Recorded as GREGORY PENNER, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 22, 2015

Specialist (License #12949 in ME)

🟢

Initial NPI Registration & Enumeration November 01, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1275610198

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: November 01, 2006

Last Update: June 22, 2015

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

331 Maine St, Suite 4

Brunswick, ME 040113358

Phone: 2077210911

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.