Active NPI 1205924222 Individual Practitioner Male Practitioner

Gregory S. Baker , PA-C

Physician Assistant • Bakersfield, CA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Gregory Baker, PA-C is a certified Physician Assistant practicing in Bakersfield, CA. With approximately 30 years of clinical experience since completing medical education in 1996, Gregory Baker delivers high-quality medical care to the local community at 1925 17TH ST.

Gregory Baker is affiliated with Ronnie Claiborne Md A Professional Corporation and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, telephone medical discussion with physician, injection beneath the skin or into muscle for therapy, diagnosis, or prevention. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1925 17th St

Bakersfield, CA 933014201

Telephone 6613232295

Fax 6613231112

Associated Practice Facility / Clinic

🏢 Ali Abazari Md Prof Corp Facility NPI 1730327479

Medicare Profile & Education

Medical School

Other

Graduation Year

1996

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Bakersfield, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

30 Yrs +16.7 yrs vs City Avg

City Avg: 13.3 Yrs

State Avg: 11.5 Yrs

Regional Practice Density

167 Specialists

Practicing in Bakersfield, CA (14617 Statewide)

Telehealth Adoption Rate

11.4% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

38.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Baker (30 Years) 30 Yrs

Bakersfield Specialty Average (13.3 Years) 13.3 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	815	295	$161.32	$109.65
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	566	230	$218.96	$153.15
99443 Telephone medical discussion with physician, 21-30 minutes	433	205	$160.00	$110.63
99442 Telephone medical discussion with physician, 11-20 minutes	341	194	$119.99	$78.19
99213 Established patient office or other outpatient visit, typically 15 minutes	87	74	$118.16	$75.47
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	60	49	$35.58	$12.25
99441 Telephone medical discussion with physician, 5-10 minutes	52	47	$80.00	$48.92
93000 Routine ekg using at least 12 leads including interpretation and report	50	48	$40.00	$12.42
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	42	15	$68.21	$53.88
J1100 Injection, dexamethasone sodium phosphate, 1 mg	38	35	$12.00	$0.11
80305 Testing for presence of drug, read by direct observation	31	28	$25.00	$11.30
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	29	29	$150.00	$111.97
94200 Test to measure largest amount of air breathed in an out	27	23	$35.00	$13.25
81003 Automated urinalysis test	26	24	$15.00	$2.20
82947 Blood glucose (sugar) level	23	21	$15.00	$3.85
20610 Aspiration and/or injection of fluid from large joint	22	19	$95.14	$54.57
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	21	21	$250.00	$189.33
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	19	$80.00	$49.13
J1885 Injection, ketorolac tromethamine, per 15 mg	16	14	$60.00	$0.67
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	14	11	$20.00	$1.24
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	13	11	$20.00	$0.96

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	758	289	$160.00	$110.72
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	489	235	$215.00	$155.26
99442 Telephone medical discussion with physician, 11-20 minutes	346	187	$119.97	$78.82
99213 Established patient office or other outpatient visit, typically 15 minutes	254	168	$115.00	$77.11
99443 Telephone medical discussion with physician, 21-30 minutes	227	149	$159.65	$111.10
99441 Telephone medical discussion with physician, 5-10 minutes	173	131	$80.00	$49.37
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	69	45	$35.51	$12.50
80305 Testing for presence of drug, read by direct observation	59	46	$25.00	$12.35
J1100 Injection, dexamethasone sodium phosphate, 1 mg	43	35	$12.00	$0.13
94200 Test to measure largest amount of air breathed in an out	35	29	$35.00	$12.90
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	33	33	$150.00	$112.84
93000 Routine ekg using at least 12 leads including interpretation and report	32	32	$40.00	$12.69
J1885 Injection, ketorolac tromethamine, per 15 mg	24	22	$58.75	$0.53
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	23	15	$72.39	$54.45
82947 Blood glucose (sugar) level	22	20	$15.00	$3.85
81003 Automated urinalysis test	19	16	$15.00	$2.20
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	15	$80.00	$46.63
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	14	14	$250.00	$191.32
20553 Injection of trigger points, 3 or more muscles	13	11	$80.00	$53.91

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	825	328	$160.00	$111.90
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	555	247	$219.32	$157.24
99441 Telephone medical discussion with physician, 5-10 minutes	330	202	$80.00	$49.85
99442 Telephone medical discussion with physician, 11-20 minutes	312	176	$120.00	$80.12
99213 Established patient office or other outpatient visit, typically 15 minutes	218	152	$115.21	$77.00
80305 Testing for presence of drug, read by direct observation	107	71	$25.00	$12.29
99443 Telephone medical discussion with physician, 21-30 minutes	97	78	$160.00	$113.32
94200 Test to measure largest amount of air breathed in an out	83	59	$36.08	$13.48
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	57	38	$39.04	$12.78
82947 Blood glucose (sugar) level	50	36	$14.40	$3.80
J1100 Injection, dexamethasone sodium phosphate, 1 mg	48	38	$12.00	$0.12
93000 Routine ekg using at least 12 leads including interpretation and report	34	33	$50.59	$12.71
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	31	27	$78.06	$41.25
81003 Automated urinalysis test	30	24	$15.00	$2.23
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	29	29	$255.17	$194.92
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	16	16	$153.13	$111.03
J1885 Injection, ketorolac tromethamine, per 15 mg	15	12	$60.00	$0.59
20610 Aspiration and/or injection of fluid from large joint	13	11	$95.00	$57.71

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	1,334	399	$159.97	$113.68
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	617	282	$294.61	$156.99
99213 Established patient office or other outpatient visit, typically 15 minutes	384	216	$114.99	$79.00
99441 Telephone medical discussion with physician, 5-10 minutes	144	106	$80.00	$50.33
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	135	103	$65.00	$47.32
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	61	42	$50.82	$12.56
82947 Blood glucose (sugar) level	56	39	$15.00	$3.59
J1100 Injection, dexamethasone sodium phosphate, 1 mg	52	45	$12.00	$0.15
94200 Test to measure largest amount of air breathed in an out	46	31	$50.00	$15.91
93000 Routine ekg using at least 12 leads including interpretation and report	46	44	$85.00	$13.22
99442 Telephone medical discussion with physician, 11-20 minutes	45	41	$120.00	$81.69
80305 Testing for presence of drug, read by direct observation	42	41	$30.00	$12.60
81003 Automated urinalysis test	41	33	$15.00	$2.25
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	27	27	$280.00	$196.67
20610 Aspiration and/or injection of fluid from large joint	22	18	$100.00	$55.82
J1885 Injection, ketorolac tromethamine, per 15 mg	20	14	$60.00	$0.49
20553 Injection of trigger points, 3 or more muscles	17	16	$115.00	$55.85
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	15	15	$150.00	$117.88
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	12	11	$60.00	$36.30
99443 Telephone medical discussion with physician, 21-30 minutes	11	11	$160.00	$115.77

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	1,977	425	$160.07	$92.19
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	559	274	$295.00	$122.68
80305 Testing for presence of drug, read by direct observation	215	117	$30.00	$12.50
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	189	142	$65.00	$36.16
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	127	127	$150.00	$98.31
94200 Test to measure largest amount of air breathed in an out	122	86	$50.00	$19.21
93000 Routine ekg using at least 12 leads including interpretation and report	118	109	$85.00	$14.45
99213 Established patient office or other outpatient visit, typically 15 minutes	90	71	$115.00	$63.65
81003 Automated urinalysis test	77	55	$15.00	$2.23
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	69	45	$50.00	$11.95
82947 Blood glucose (sugar) level	52	37	$15.00	$3.68
94010 Test to measure expiratory airflow and volume	48	46	$60.00	$31.14
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	28	28	$280.00	$179.49
J3300 Injection, triamcinolone acetonide, preservative free, 1 mg	25	21	$15.40	$3.42
J1100 Injection, dexamethasone sodium phosphate, 1 mg	24	18	$12.00	$0.12
J1885 Injection, ketorolac tromethamine, per 15 mg	22	14	$60.00	$0.53
94640 Inhalation treatment for airway obstruction or sputum production	22	17	$40.00	$15.59
20610 Aspiration and/or injection of fluid from large joint	21	18	$100.00	$48.92
20553 Injection of trigger points, 3 or more muscles	18	16	$115.00	$55.51
69210 Removal of impacted ear wax	17	15	$70.00	$41.04
G0102 Prostate cancer screening; digital rectal examination	16	16	$45.00	$19.87
J1040 Injection, methylprednisolone acetate, 80 mg	15	12	$60.00	$11.66
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	13	13	$1200.00	$181.47
J1030 Injection, methylprednisolone acetate, 40 mg	13	12	$30.00	$5.69
Q0091 Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory	12	12	$75.00	$36.60
20552 Injections of trigger points in 1 or 2 muscles	11	11	$75.00	$44.77

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	1,955	491	$159.84	$94.61
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	1,053	387	$295.00	$126.21
80305 Testing for presence of drug, read by direct observation	380	167	$30.00	$12.24
94200 Test to measure largest amount of air breathed in an out	141	94	$50.00	$24.69
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	129	71	$49.42	$14.72
93000 Routine ekg using at least 12 leads including interpretation and report	103	102	$85.00	$14.93
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	100	100	$150.00	$102.15
81003 Automated urinalysis test	73	60	$15.00	$2.37
82947 Blood glucose (sugar) level	66	42	$15.00	$4.06
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	52	48	$65.00	$39.94
J1040 Injection, methylprednisolone acetate, 80 mg	50	39	$56.40	$12.28
94640 Inhalation treatment for airway obstruction or sputum production	40	32	$40.00	$16.41
J1030 Injection, methylprednisolone acetate, 40 mg	37	31	$30.00	$6.31
20610 Aspiration and/or injection of fluid from large joint	32	22	$100.00	$52.58
93880 Ultrasound of both sides of head and neck blood flow	32	30	$250.00	$182.37
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	31	14	$20.00	$1.80
99213 Established patient office or other outpatient visit, typically 15 minutes	31	29	$115.00	$63.53
76700 Ultrasound of abdomen	29	27	$160.00	$109.29
94010 Test to measure expiratory airflow and volume	27	25	$60.00	$31.81
J1100 Injection, dexamethasone sodium phosphate, 1 mg	25	20	$12.00	$0.14
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	24	24	$1200.00	$183.75
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	23	23	$280.00	$180.39
20552 Injections of trigger points in 1 or 2 muscles	21	18	$75.00	$48.88
J1885 Injection, ketorolac tromethamine, per 15 mg	17	11	$60.00	$0.52
69210 Removal of impacted ear wax	17	16	$74.12	$39.65
J0696 Injection, ceftriaxone sodium, per 250 mg	15	14	$80.00	$0.55

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	2,403	512	$159.91	$91.75
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	643	307	$295.00	$123.38
80305 Testing for presence of drug, read by direct observation	470	210	$30.00	$13.12
93000 Routine ekg using at least 12 leads including interpretation and report	219	208	$85.00	$14.52
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	210	149	$65.00	$37.77
99213 Established patient office or other outpatient visit, typically 15 minutes	195	161	$115.00	$62.41
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	137	84	$50.36	$17.86
94200 Test to measure largest amount of air breathed in an out	114	85	$41.93	$24.11
81003 Automated urinalysis test	68	48	$15.00	$2.71
82947 Blood glucose (sugar) level	56	42	$15.00	$4.61
J1040 Injection, methylprednisolone acetate, 80 mg	50	37	$58.80	$12.97
94010 Test to measure expiratory airflow and volume	45	42	$60.00	$31.54
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	40	40	$280.00	$175.92
94640 Inhalation treatment for airway obstruction or sputum production	36	31	$31.11	$16.55
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	36	36	$150.00	$99.69
J2930 Injection, methylprednisolone sodium succinate, up to 125 mg	34	28	$39.71	$6.42
20610 Aspiration and/or injection of fluid from large joint	26	20	$100.00	$50.17
69210 Removal of impacted ear wax	25	23	$70.00	$41.68
J1885 Injection, ketorolac tromethamine, per 15 mg	23	16	$50.22	$0.58
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	22	14	$20.00	$1.92
J1030 Injection, methylprednisolone acetate, 40 mg	22	17	$30.00	$6.63
20553 Injection of trigger points, 3 or more muscles	15	12	$115.00	$54.61
J0690 Injection, cefazolin sodium, 500 mg	14	11	$9.29	$0.83
96116 Exam of neurobehavioral status, first hour	13	12	$120.00	$79.28
G0444 Annual depression screening, 5 to 15 minutes	12	12	$40.00	$15.51

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	2,378	534	$159.93	$92.32
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	531	278	$295.00	$123.51
99213 Established patient office or other outpatient visit, typically 15 minutes	500	305	$115.00	$62.56
80305 Testing for presence of drug, read by direct observation	389	204	$29.99	$14.61
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	338	203	$65.00	$37.80
93000 Routine ekg using at least 12 leads including interpretation and report	222	204	$85.00	$14.71
G0444 Annual depression screening, 5 to 15 minutes	190	190	$40.00	$15.70
82947 Blood glucose (sugar) level	143	87	$15.00	$5.28
94200 Test to measure largest amount of air breathed in an out	136	98	$40.00	$22.76
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	114	64	$50.00	$22.46
99497 Advance care planning, first 30 minutes	100	95	$105.00	$69.53
81003 Automated urinalysis test	78	55	$15.00	$3.02
J1040 Injection, methylprednisolone acetate, 80 mg	50	38	$61.20	$11.14
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	49	49	$280.00	$176.43
J2930 Injection, methylprednisolone sodium succinate, up to 125 mg	48	36	$40.00	$5.75
20610 Aspiration and/or injection of fluid from large joint	37	27	$100.00	$51.04
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	32	29	$45.00	$17.69
94640 Inhalation treatment for airway obstruction or sputum production	32	24	$29.06	$16.27
94010 Test to measure expiratory airflow and volume	30	29	$58.00	$30.94
20553 Injection of trigger points, 3 or more muscles	26	20	$122.69	$55.14
69210 Removal of impacted ear wax	25	23	$70.00	$42.21
J1885 Injection, ketorolac tromethamine, per 15 mg	21	13	$60.00	$0.65
J1020 Injection, methylprednisolone acetate, 20 mg	21	12	$21.90	$5.04
J1030 Injection, methylprednisolone acetate, 40 mg	20	17	$30.00	$5.78
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	19	19	$150.00	$99.89
93923 Complete ultrasound study of arm and leg arteries	19	19	$190.79	$122.01
92546 Test for abnormal eye movement using a rotating chair	17	17	$124.71	$91.93
20552 Injections of trigger points in 1 or 2 muscles	12	11	$75.00	$43.82

Medical Specialties & State Licenses

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License CA PA13923

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.

Hospital & Practice Group Affiliations

Ronnie Claiborne Md A Professional Corporation

1925 17th St, Bakersfield, CA 933014201

Phone: 6613232295

Practice Associates & Co-Workers

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

2 Associated Practitioners

Dr. Jeffery Freesemann , MD

Internal Medicine

NPI 1336156488

Doctor of Medicine (M.D.)

Dr. Ronnie Claiborne , MD

General Practice

NPI 1578503256

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 1925 17TH ST, BAKERSFIELD, CA 933014201 (Tel: 6613232295)

📍

Updated Business Mailing Address July 08, 2007

Registered at 11698 SNOW RD, BAKERSFIELD, CA 933148759 (Tel: 6613871213)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as GREGORY BAKER, P.A.-C.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Physician Assistant (License #PA13923 in CA)

🟢

Initial NPI Registration & Enumeration October 11, 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: 1205924222

Entity Type:

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

Enumeration Date: October 11, 2006

Last Update: July 08, 2007

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

11698 Snow Rd

Bakersfield, CA 933148759

Phone: 6613871213

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

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