Active NPI 1245346956 Individual Practitioner Male Practitioner

Dr. Gary W. Peer , MD

Internal Medicine • Livermore, CA

Professional Overview & Biography Verified Profile Summary

Dr. Gary Peer, MD is a registered healthcare professional specializing in Internal Medicine in Livermore, CA. Practice services are available at 87 FENTON ST STE 101 under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit, insertion of needle into vein for collection of blood sample, 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

87 Fenton St Ste 101

Livermore, CA 945504183

Telephone 9254471330

Fax 9254470933

Associated Practice Facility / Clinic

🏢 Foot And Ankle Coach, Pc Facility NPI 1982312104

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Livermore, CA

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 29.5 Yrs

State Avg: 26.6 Yrs

Regional Practice Density

26 Specialists

Practicing in Livermore, CA (18502 Statewide)

Telehealth Adoption Rate

30.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

14.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2021)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	91	73	$105.93	$102.78
36415 Insertion of needle into vein for collection of blood sample	63	55	$30.00	$3.00
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	47	37	$159.89	$147.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	484	155	$100.00	$87.15
36415 Insertion of needle into vein for collection of blood sample	305	136	$30.00	$2.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	269	103	$150.00	$126.42
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	99	29	$50.00	$17.23
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	87	23	$80.00	$2.04
G0008 Administration of influenza virus vaccine	68	66	$50.00	$20.58
81000 Manual urinalysis test with examination using microscope, non-automated	47	27	$30.00	$4.00
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	46	21	$60.00	$29.06
90653 Vaccine for influenza for injection into muscle	41	41	$150.00	$59.53
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	36	28	$75.00	$53.86
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	35	13	$120.00	$63.91
86328 Test for detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antibody, qualitative or semiquantitative	28	28	$55.00	$44.62
17000 Destruction of skin growth	23	17	$100.00	$80.87
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	19	19	$125.00	$117.82
G0009 Administration of pneumococcal vaccine	19	19	$50.00	$20.48
90682 Influenza vaccine, quadrivalent derived from recombinant dna	18	18	$150.00	$60.98
93000 Routine ekg using at least 12 leads including interpretation and report	18	18	$100.00	$20.79
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	18	16	$225.00	$172.27
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	17	17	$80.00	$17.92

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	756	178	$100.00	$87.59
36415 Insertion of needle into vein for collection of blood sample	353	162	$30.00	$2.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	176	73	$150.00	$127.46
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	131	34	$50.00	$20.30
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	109	25	$80.00	$1.79
85610 Blood test, clotting time	102	13	$50.00	$4.28
81000 Manual urinalysis test with examination using microscope, non-automated	50	26	$30.00	$3.94
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	49	14	$140.00	$104.13
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	47	33	$75.00	$54.21
G0008 Administration of influenza virus vaccine	45	45	$50.00	$20.18
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	42	17	$175.00	$80.83
90653 Vaccine for influenza for injection into muscle	39	39	$150.00	$58.34
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	35	12	$60.00	$28.21
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	26	16	$120.00	$63.09
93000 Routine ekg using at least 12 leads including interpretation and report	25	22	$100.00	$20.42
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	24	24	$80.00	$17.69
17000 Destruction of skin growth	19	15	$100.00	$79.10
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	17	17	$225.00	$169.29
69210 Removal of impacted ear wax	15	13	$75.00	$55.43
99238 Hospital discharge day management, 30 minutes or less	13	13	$250.00	$82.56
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	13	13	$116.92	$108.72
G0009 Administration of pneumococcal vaccine	13	13	$50.00	$20.18

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	744	176	$100.00	$81.47
36415 Insertion of needle into vein for collection of blood sample	372	160	$30.00	$2.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	226	91	$150.00	$119.30
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	127	39	$50.00	$24.06
85610 Blood test, clotting time	106	12	$50.00	$4.75
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	99	29	$80.00	$1.97
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	80	20	$175.00	$76.61
G0008 Administration of influenza virus vaccine	76	76	$50.00	$25.29
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	73	17	$130.14	$98.63
90653 Vaccine for influenza for injection into muscle	71	71	$150.00	$53.58
81000 Manual urinalysis test with examination using microscope, non-automated	52	31	$30.00	$3.94
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	42	12	$60.00	$25.33
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	40	40	$80.00	$19.25
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	30	16	$75.00	$49.81
G0009 Administration of pneumococcal vaccine	25	25	$50.00	$25.29
17000 Destruction of skin growth	24	21	$100.00	$75.89
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	23	17	$120.00	$60.46
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	21	21	$100.00	$98.00
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	19	18	$225.00	$159.79
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	18	16	$350.00	$213.07
93000 Routine ekg using at least 12 leads including interpretation and report	17	17	$100.00	$19.30
99238 Hospital discharge day management, 30 minutes or less	15	13	$250.00	$78.37

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	792	176	$100.00	$79.17
36415 Insertion of needle into vein for collection of blood sample	307	149	$30.00	$2.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	191	81	$150.00	$115.90
85610 Blood test, clotting time	151	16	$50.00	$5.28
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	137	43	$50.00	$29.34
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	114	29	$80.00	$2.97
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	102	24	$175.00	$74.26
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	85	18	$125.00	$96.09
G0008 Administration of influenza virus vaccine	85	83	$50.00	$31.10
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	67	67	$80.00	$21.38
90662 Influenza vaccine split virus, preservative free	60	59	$158.00	$47.84
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	56	41	$75.00	$48.07
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	44	27	$120.00	$58.55
81000 Manual urinalysis test with examination using microscope, non-automated	41	30	$30.00	$4.26
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	38	13	$60.00	$22.80
17000 Destruction of skin growth	38	28	$100.00	$74.29
G0009 Administration of pneumococcal vaccine	37	35	$50.00	$31.10
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	30	24	$350.00	$202.14
99238 Hospital discharge day management, 30 minutes or less	29	22	$250.00	$75.79
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	24	24	$72.92	$23.57
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	22	15	$80.00	$1.80
90670 Pneumococcal vaccine for injection into muscle	21	19	$204.76	$187.71
93000 Routine ekg using at least 12 leads including interpretation and report	19	15	$100.00	$18.81
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	19	12	$225.00	$154.89
69210 Removal of impacted ear wax	19	17	$75.00	$50.09
99316 Nursing facility discharge management, more than 30 minutes	18	16	$200.00	$109.92
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	17	17	$100.00	$96.36

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA G48280

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

00G482800 (CA)

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Nora Ramos-Carthew , DPM

Podiatrist - Foot & Ankle Surgery

NPI 1568447308

Doctor of Podiatric Medicine

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active October 24, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location October 24, 2007

Registered at 87 FENTON ST STE 101, LIVERMORE, CA 945504183 (Tel: 9254471330)

📍

Updated Business Mailing Address October 24, 2007

Registered at 87 FENTON ST STE 101, LIVERMORE, CA 945504183 (Tel: 9254471330)

👤

Provider Name / Credentials Updated October 24, 2007

Recorded as GARY PEER, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 24, 2007

Internal Medicine (License #G48280 in CA)

🟢

Initial NPI Registration & Enumeration August 23, 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: 1245346956

Entity Type:

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

Enumeration Date: August 23, 2006

Last Update: October 24, 2007

Sole Proprietor: No

Update or Correct Profile

Mailing Address

87 Fenton St Ste 101

Livermore, CA 945504183

Phone: 9254471330

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.