Active NPI 1477592806 Individual Practitioner Male Practitioner

Dr. Jeffrey Hunter Denham , MD

Internal Medicine • Pasadena, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Jeffrey Denham, MD is a certified Internal Medicine practicing in Pasadena, CA. With approximately 29 years of clinical experience since graduating from University Of Southern California Keck School Of Medicine in 1997, Dr. Denham delivers high-quality medical care to the local community at 39 CONGRESS ST.

Dr. Denham accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, administration of influenza virus vaccine, influenza vaccine split virus, preservative free. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

39 Congress St
Suite 201b

Pasadena, CA 911053024

Telephone 6267936113

Fax 6262931055

Associated Practice Facility / Clinic

🏢 George F Williams Md A Medical Corporation Facility NPI 1871533299

Medicare Profile & Education

Medical School

University Of Southern California Keck School Of Medicine

Graduation Year

1997

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Pasadena, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

29 Yrs +4.7 yrs vs City Avg

City Avg: 24.3 Yrs

State Avg: 26.6 Yrs

Regional Practice Density

149 Specialists

Practicing in Pasadena, CA (18502 Statewide)

Telehealth Adoption Rate

32.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

46.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Denham (29 Years) 29 Yrs

Pasadena Specialty Average (24.3 Years) 24.3 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
99213 Established patient office or other outpatient visit, typically 15 minutes	261	151	$266.73	$98.61
G0008 Administration of influenza virus vaccine	104	104	$48.08	$34.21
90662 Influenza vaccine split virus, preservative free	104	104	$84.23	$81.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	221	140	$190.46	$98.60
90662 Influenza vaccine split virus, preservative free	106	106	$75.00	$71.93
G0008 Administration of influenza virus vaccine	105	105	$25.00	$24.50
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	51	12	$36.68	$15.68
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	49	11	$32.14	$1.58

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	259	156	$165.00	$100.12
G0008 Administration of influenza virus vaccine	105	102	$25.00	$24.51
90662 Influenza vaccine split virus, preservative free	104	101	$65.00	$63.74
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	57	13	$25.00	$1.74
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	57	14	$35.40	$16.01

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	242	157	$165.00	$101.43
90662 Influenza vaccine split virus, preservative free	127	127	$64.88	$64.88
G0008 Administration of influenza virus vaccine	126	126	$25.00	$19.19
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	38	11	$25.00	$2.00

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	210	127	$165.00	$83.41
G0008 Administration of influenza virus vaccine	127	126	$25.00	$18.95
90662 Influenza vaccine split virus, preservative free	126	125	$50.00	$49.97
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	34	14	$25.00	$1.92
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	34	14	$35.40	$15.98
G0009 Administration of pneumococcal vaccine	12	12	$25.00	$18.83

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	431	194	$165.00	$79.51
90662 Influenza vaccine split virus, preservative free	131	128	$50.00	$49.00
G0008 Administration of influenza virus vaccine	130	127	$25.00	$18.58
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	54	18	$25.00	$1.79
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	52	18	$35.40	$18.18

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	243	138	$163.00	$75.94
G0008 Administration of influenza virus vaccine	116	113	$25.00	$23.13
90662 Influenza vaccine split virus, preservative free	115	112	$50.00	$48.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	300	166	$151.04	$75.05
90662 Influenza vaccine split virus, preservative free	131	131	$51.03	$47.63
G0008 Administration of influenza virus vaccine	129	129	$27.17	$24.76
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	63	18	$45.65	$3.01
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	45	16	$52.03	$27.19
90670 Pneumococcal vaccine for injection into muscle	15	15	$186.80	$173.24

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA A67746

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

00A677460 (CA)

Commercial Insurance / Payer ID Medicare Railroad Pin

P00039321 (CA)

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Lori Wynstock , MD

Internal Medicine

NPI 1194764589

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 June 19, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location June 19, 2012

Registered at 39 CONGRESS ST, SUITE 201B, PASADENA, CA 911053024 (Tel: 6267936113)

📍

Updated Business Mailing Address June 19, 2012

Registered at 39 CONGRESS ST, SUITE 201B, PASADENA, CA 911053024 (Tel: 6262566010)

👤

Provider Name / Credentials Updated June 19, 2012

Recorded as JEFFREY DENHAM, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 19, 2012

Internal Medicine (License #A67746 in CA)

🟢

Initial NPI Registration & Enumeration June 04, 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: 1477592806

Entity Type:

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

Enumeration Date: June 04, 2006

Last Update: June 19, 2012

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

39 Congress St, Suite 201b

Pasadena, CA 911053024

Phone: 6262566010

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.