Active NPI 1891798112 Individual Practitioner Male Practitioner

Dr. Paul F. Stemmer , MD

Surgery • Big Bear Lake, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Paul Stemmer, MD is a certified Surgery practicing in Big Bear Lake, CA. With approximately 40 years of clinical experience since graduating from University Of California, Irvine, California College Of Medicine in 1986, Dr. Stemmer delivers high-quality medical care to the local community at 41820 GARSTIN DRIVE.

Dr. Stemmer is affiliated with Bear Valley Community Health Care District and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, follow-up hospital inpatient care per day. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

41820 Garstin Drive
Po Box 1649

Big Bear Lake, CA 92315

Telephone 9098788246

Fax 9098788294

Associated Practice Facility / Clinic

🏢 Bear Valley Community Health Care District Facility NPI 1851576888

Medicare Profile & Education

Medical School

University Of California, Irvine, California College Of Medicine

Graduation Year

1986

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Big Bear Lake, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

40 Yrs Matches City Avg

City Avg: 40.0 Yrs

State Avg: 27.4 Yrs

Regional Practice Density

1 Specialists

Practicing in Big Bear Lake, CA (3346 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

73.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Stemmer (40 Years) 40 Yrs

Big Bear Lake Specialty Average (40.0 Years) 40.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2022)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	106	89	$202.07	$94.98
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	57	54	$138.58	$8.61
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	57	49	$212.74	$130.77
99231 Follow-up hospital inpatient care per day, typically 15 minutes	41	17	$71.00	$39.95
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	37	35	$122.69	$59.12
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	24	24	$760.17	$68.32
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	24	11	$192.00	$74.08
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$203.00	$113.75
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	13	13	$836.13	$133.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	131	109	$209.75	$96.44
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	119	106	$191.23	$135.69
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	60	56	$135.00	$8.71
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	30	30	$629.00	$92.61
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	28	16	$187.00	$74.74
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	26	26	$130.03	$59.93
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	18	18	$276.29	$191.82
45378 Diagnostic exam of large bowel using a flexible endoscope	18	18	$565.88	$175.52
99221 Initial hospital inpatient care per day, typically 30 minutes	17	17	$168.18	$98.93
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	15	15	$729.45	$165.50
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$368.26	$177.39
49505 Repair of groin hernia (5 years or older)	13	13	$865.69	$549.34
47562 Removal of gallbladder using an endoscope	13	13	$1687.00	$574.42

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	124	97	$154.29	$79.48
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	69	61	$278.25	$154.56
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	67	59	$187.61	$115.71
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	51	49	$19.95	$8.94
99231 Follow-up hospital inpatient care per day, typically 15 minutes	45	26	$69.00	$41.27
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	41	27	$187.00	$76.13
99202 New patient office or other outpatient visit, typically 20 minutes	40	40	$223.65	$80.51
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	35	35	$402.15	$174.58
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	33	33	$370.00	$99.25
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	33	29	$154.41	$48.32
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$256.20	$113.86
45378 Diagnostic exam of large bowel using a flexible endoscope	23	23	$491.00	$186.93
99221 Initial hospital inpatient care per day, typically 30 minutes	22	22	$156.00	$106.68
99238 Hospital discharge day management, 30 minutes or less	19	18	$189.00	$77.09
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	14	14	$603.00	$201.95
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	13	13	$1754.00	$358.43

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	137	115	$154.35	$76.16
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	120	95	$278.25	$148.03
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	100	85	$189.80	$113.48
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	88	86	$19.95	$8.68
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	57	57	$382.98	$87.93
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	46	36	$153.80	$46.64
99202 New patient office or other outpatient visit, typically 20 minutes	34	34	$220.65	$75.56
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	26	26	$256.20	$112.59
45378 Diagnostic exam of large bowel using a flexible endoscope	25	25	$510.64	$179.21
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	23	16	$187.00	$74.73
99221 Initial hospital inpatient care per day, typically 30 minutes	22	20	$156.00	$99.64
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$402.15	$164.01
99231 Follow-up hospital inpatient care per day, typically 15 minutes	19	12	$69.00	$40.36
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	16	16	$641.55	$213.90
17000 Destruction of skin growth	15	11	$134.47	$57.38
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	14	14	$603.00	$197.85
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	13	13	$523.00	$207.77
99238 Hospital discharge day management, 30 minutes or less	13	13	$189.00	$75.49
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$212.00	$140.37
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	12	12	$1754.00	$349.05
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	11	11	$676.00	$268.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	170	150	$278.25	$144.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	167	109	$187.16	$107.38
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	82	27	$189.28	$71.80
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	74	72	$20.59	$8.38
99213 Established patient office or other outpatient visit, typically 15 minutes	63	55	$154.35	$71.78
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	52	52	$641.55	$205.33
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	46	44	$19.95	$8.38
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	35	34	$370.00	$89.11
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	32	32	$400.43	$163.59
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	31	21	$270.00	$102.88
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	28	26	$523.00	$199.94
11101 Biopsy of each additional growth of skin and/or tissue	23	12	$51.00	$32.58
11100 Biopsy of single growth of skin and/or tissue	21	18	$185.85	$107.41
45378 Diagnostic exam of large bowel using a flexible endoscope	20	19	$491.00	$177.68
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	18	$212.00	$134.54
49560 Repair of incisional or abdominal hernia	14	14	$1891.00	$720.32
49505 Repair of groin hernia (5 years or older)	14	14	$803.00	$509.86
49568 Placement of mesh to repair incisional or abdominal hernia	12	12	$680.00	$258.87
45380 Biopsy of large bowel using an endoscope	11	11	$533.00	$203.66

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	134	95	$212.35	$102.79
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	133	36	$214.46	$73.54
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	130	124	$21.97	$8.65
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	123	93	$299.86	$144.62
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	90	90	$493.74	$203.82
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	57	34	$306.14	$106.20
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	49	49	$351.00	$160.72
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	43	42	$577.21	$191.46
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	38	37	$370.00	$92.36
99213 Established patient office or other outpatient visit, typically 15 minutes	34	31	$143.69	$60.35
99238 Hospital discharge day management, 30 minutes or less	33	31	$196.91	$74.30
45378 Diagnostic exam of large bowel using a flexible endoscope	29	29	$605.72	$193.56
11100 Biopsy of single growth of skin and/or tissue	26	21	$271.05	$87.57
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	22	22	$603.00	$170.65
11101 Biopsy of each additional growth of skin and/or tissue	19	13	$51.32	$31.54
17000 Destruction of skin growth	18	12	$126.15	$62.88
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$328.13	$138.92
49505 Repair of groin hernia (5 years or older)	16	16	$1073.13	$510.20
17003 Destruction of precancer skin growth, 2-14 growths	13	11	$17.43	$4.79
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	13	13	$60.00	$8.86
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	13	13	$2436.15	$665.04

Medical Specialties & State Licenses

CMS Verified: 2026-03-11

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CA G63347

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Ca License

G63347 (CA)

Hospital & Practice Group Affiliations

Bear Valley Community Health Care District

41870 Garstin Dr, Big Bear Lake, CA 923152088

Phone: 90986665018315

Practice Associates & Co-Workers

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

8 Associated Practitioners

Daniel Curtis , PA-C

Physician Assistant

NPI 1013568773

Physician Assistant (Certified)

Melissa Staricka , NP

Nurse Practitioner - Family

NPI 1134270713

Nurse Practitioner

Dr. Harry Goldwasser , MD

Psychiatry & Neurology - Psychiatry

NPI 1255370680

Doctor of Medicine (M.D.)

Dr. Jeffrey Orr , MD

Family Medicine

NPI 1336401702

Doctor of Medicine (M.D.)

Leron Ribeiro-West , ACSW

Social Worker - Clinical

NPI 1437703667

Academy of Certified Social Workers

Dr. Jamie Davidson , DNP

Nurse Practitioner - Family

NPI 1538934138

Doctor of Nursing Practice

Career & Practice History Timeline

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

13 Historical Events

📍

Updated Practice Location March 11, 2026

Registered at 41820 GARSTIN DRIVE, PO BOX 1649, BIG BEAR LAKE, CA 92315 (Tel: 9098788246)

📍

Updated Practice Location January 25, 2019

Registered at 900 N HERITAGE DR STE A, RIDGECREST, CA 935555540 (Tel: 7604463700)

✅

NPI Profile Active March 22, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location March 22, 2017

Registered at 1081 N CHINA LAKE BLVD, RIDGECREST, CA 935553130 (Tel: 7604993899)

📍

Updated Business Mailing Address March 22, 2017

Registered at 1081 N CHINA LAKE BLVD, RIDGECREST, CA 935553130 (Tel: 7604463551)

👤

Provider Name / Credentials Updated March 22, 2017

Recorded as PAUL STEMMER, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 22, 2017

Surgery (License #G63347 in CA)

✅

NPI Profile Active January 15, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location January 15, 2016

Registered at 43807 10TH STREET WEST, SUITE F, LANCASTER, CA 93534 (Tel: 6619422707)

📍

Updated Business Mailing Address January 15, 2016

Registered at 43807 10TH STREET WEST, SUITE F, LANCASTER, CA 93534 (Tel: 6619422707)

👤

Provider Name / Credentials Updated January 15, 2016

Recorded as PAUL STEMMER, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 15, 2016

Surgery (License #G63347 in CA)

🟢

Initial NPI Registration & Enumeration May 31, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Paul Stemmer. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1891798112

Entity Type:

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

Enumeration Date: May 31, 2005

Last Update: March 11, 2026

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

1081 N China Lake Blvd

Ridgecrest, CA 935553130

Phone: 7604463551

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.