Active NPI 1659343408 Individual Practitioner Female Practitioner

Ingrid M Sherrill , PA

Physician Assistant • Brunswick, ME

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Ingrid Sherrill, PA is a certified Physician Assistant practicing in Brunswick, ME. With approximately 29 years of clinical experience since graduating from George Washington University School Of Medicine in 1997, Ingrid Sherrill delivers high-quality medical care to the local community at 123 MEDICAL CENTER DR.

Ingrid Sherrill is affiliated with Mainehealth and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, destruction of precancer skin growth, 2-14 growths. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

123 Medical Center Dr

Brunswick, ME 040112652

Telephone 2073736000

Fax 2073736080

Associated Practice Facility / Clinic

🏢 Mainehealth Facility NPI 1932164795

Medicare Profile & Education

Medical School

George Washington University School Of Medicine

Graduation Year

1997

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Brunswick, ME

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

29 Yrs +12.2 yrs vs City Avg

City Avg: 16.8 Yrs

State Avg: 13.7 Yrs

Regional Practice Density

22 Specialists

Practicing in Brunswick, ME (992 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

69.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Sherrill (29 Years) 29 Yrs

Brunswick Specialty Average (16.8 Years) 16.8 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	147	91	$202.16	$71.01
99213 Established patient office or other outpatient visit, typically 15 minutes	137	105	$137.82	$59.18
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	53	53	$243.83	$30.21
17003 Destruction of precancer skin growth, 2-14 growths	52	16	$5.92	$1.70
17000 Destruction of skin growth	32	30	$113.88	$43.79
11102 Tangential biopsy of single skin lesion	31	30	$84.81	$27.65
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	25	22	$35.00	$13.57
20610 Aspiration and/or injection of fluid from large joint	17	15	$98.29	$36.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	192	123	$82.73	$53.62
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	116	83	$142.92	$63.77
17003 Destruction of precancer skin growth, 2-14 growths	82	24	$5.11	$1.69
17000 Destruction of skin growth	48	37	$109.42	$43.95
11102 Tangential biopsy of single skin lesion	39	34	$82.92	$26.65
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	28	28	$230.50	$28.07
20610 Aspiration and/or injection of fluid from large joint	22	19	$97.09	$35.37
17110 Destruction of up to 14 skin growths	17	12	$144.88	$51.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	192	126	$68.53	$54.99
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	100	71	$118.92	$69.33
11102 Tangential biopsy of single skin lesion	33	33	$82.00	$29.25
17000 Destruction of skin growth	32	31	$109.84	$44.43
17003 Destruction of precancer skin growth, 2-14 growths	30	13	$5.00	$1.76
20610 Aspiration and/or injection of fluid from large joint	20	15	$96.00	$38.02
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	19	19	$228.00	$44.18

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	175	123	$69.17	$52.99
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	113	80	$106.00	$65.08
17003 Destruction of precancer skin growth, 2-14 growths	39	11	$5.00	$1.80
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	30	30	$228.00	$14.66
17000 Destruction of skin growth	21	19	$109.00	$46.20
20610 Aspiration and/or injection of fluid from large joint	14	12	$96.00	$38.81
11102 Tangential biopsy of single skin lesion	13	13	$82.00	$34.82
99495 Transitional care management services for problem of at least moderate complexity	11	11	$224.00	$80.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	193	138	$68.00	$43.78
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	115	87	$106.00	$67.46
17003 Destruction of precancer skin growth, 2-14 growths	32	12	$5.00	$1.85
99495 Transitional care management services for problem of at least moderate complexity	22	22	$224.00	$105.73
17000 Destruction of skin growth	22	20	$109.00	$45.50
20610 Aspiration and/or injection of fluid from large joint	18	15	$96.00	$39.37
99442 Telephone medical discussion with physician, 11-20 minutes	16	13	$61.25	$43.67
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	11	11	$228.00	$99.46

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	273	200	$68.00	$43.06
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	214	166	$106.00	$66.47
17000 Destruction of skin growth	32	25	$109.00	$43.45
99495 Transitional care management services for problem of at least moderate complexity	27	25	$284.00	$93.10
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	16	16	$26.00	$7.20
20610 Aspiration and/or injection of fluid from large joint	16	11	$96.00	$38.77
11300 Shaving of 0.5 centimeters or less skin growth of the trunk, arms, or legs	14	13	$73.00	$23.54
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm	13	12	$114.00	$41.85
11310 Shaving of 0.5 centimeters or less skin growth of face, ears, eyelids, nose, lips, or mouth	12	12	$99.00	$40.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	422	292	$68.00	$42.71
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	168	129	$106.00	$65.52
99495 Transitional care management services for problem of at least moderate complexity	86	79	$332.00	$91.89
17000 Destruction of skin growth	23	21	$109.00	$43.45
20610 Aspiration and/or injection of fluid from large joint	22	18	$96.00	$38.59
11100 Biopsy of single growth of skin and/or tissue	19	18	$102.00	$38.95
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	11	11	$26.00	$7.08

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	192	178	$69.56	$41.59
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	126	113	$111.03	$63.84
99284 Emergency department visit with moderate level of medical decision making	36	35	$247.00	$96.14
99282 Emergency department visit with straightforward medical decision making	21	21	$86.00	$33.84
99495 Transitional care management services for problem of at least moderate complexity	20	20	$332.00	$90.19
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$127.08	$62.58

Medical Specialties & State Licenses

CMS Verified: 2026-01-23

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License ME PA-552

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

312480099 (ME)

Commercial Insurance / Payer ID Group Federal Tax Id

611454199

Hospital & Practice Group Affiliations

Mainehealth

22 Bramhall St, Portland, ME 041023134

Phone: 2078859905

Mainehealth

22 Station Ave, Brunswick, ME 040112092

Secondary Practice Locations

22 Station Ave Ste 102

Brunswick, ME 040112092

Phone: 2074067500

108 Centre St

Bath, ME 045302550

Phone: 2073861800

Practice Associates & Co-Workers

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

40 Associated Practitioners

Elizabeth Hawksley , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003181298

Certified Registered Nurse Anesthetist

Dr. Jonathan Grammer , MD

Emergency Medicine

NPI 1003375189

Doctor of Medicine (M.D.)

Dr. Andrew Rabinowitz , MD

Anesthesiology

NPI 1023198496

Doctor of Medicine (M.D.)

Dr. Niklas Glenesk , MD

Anesthesiology

NPI 1023578622

Doctor of Medicine (M.D.)

Abigail Rivers , PMHNP

Nurse Practitioner - Psychiatric/Mental Health

NPI 1033676168

Psychiatric-Mental Health Nurse Practitioner

Dr. Connor Petrovich , MD

Hospitalist

NPI 1053061895

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

14 Historical Events

📍

Updated Practice Location January 23, 2026

Registered at 123 MEDICAL CENTER DR, BRUNSWICK, ME 040112652 (Tel: 2073736000)

📍

Updated Business Mailing Address January 23, 2026

Registered at 123 MEDICAL CENTER DR, BRUNSWICK, ME 040112652 (Tel: 2073736000)

👤

Provider Name / Credentials Updated January 23, 2026

Recorded as INGRID SHERRILL, PA

✅

NPI Profile Active January 11, 2018

NPI status registered as active in NPPES database

📍

Updated Practice Location January 11, 2018

Registered at 108 CENTRE ST, BATH, ME 045302550 (Tel: 2073861800)

📍

Updated Business Mailing Address January 11, 2018

Registered at 68 CHAPMAN ST., DAMARISCOTTA, ME 04543 (Tel: 2075636623)

👤

Provider Name / Credentials Updated January 11, 2018

Recorded as INGRID SHERRILL, P.A.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 11, 2018

Physician Assistant (License #PA-552 in ME)

✅

NPI Profile Active December 09, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location December 09, 2008

Registered at 68 CHAPMAN ST., DAMARISCOTTA, ME 04543 (Tel: 2075636623)

📍

Updated Business Mailing Address December 09, 2008

Registered at 68 CHAPMAN ST., DAMARISCOTTA, ME 04543 (Tel: 2075636623)

👤

Provider Name / Credentials Updated December 09, 2008

Recorded as INGRID SHERRILL, P.A.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 09, 2008

Physician Assistant (License #PA-552 in ME)

🟢

Initial NPI Registration & Enumeration February 06, 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: 1659343408

Entity Type:

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

Enumeration Date: February 06, 2006

Last Update: January 23, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

123 Medical Center Dr

Brunswick, ME 040112652

Phone: 2073736000

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.