Active NPI 1558340992 Individual Practitioner Male Practitioner

Dr. Sherman Mark Klein , MD

Internal Medicine • Flushing, NY

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Sherman Klein, MD is a certified Internal Medicine practicing in Flushing, NY. With approximately 44 years of clinical experience since completing medical education in 1982, Dr. Klein delivers high-quality medical care to the local community at 14601 45TH AVE.

Dr. Klein maintains professional affiliations with Flushing Hospital And Medical Center, Tjh Medical Services Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, insertion of needle into vein for collection of blood sample, administration of influenza virus vaccine. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

14601 45th Ave
Suite 303

Flushing, NY 113552200

Telephone 7183531010

Associated Practice Facility / Clinic

🏢 Flushing Hematology-Oncology, P.c. Facility NPI 1063563633

Medicare Profile & Education

Medical School

Other

Graduation Year

1982

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Flushing, NY

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

44 Yrs +14.4 yrs vs City Avg

City Avg: 29.6 Yrs

State Avg: 29.4 Yrs

Regional Practice Density

256 Specialists

Practicing in Flushing, NY (12979 Statewide)

Telehealth Adoption Rate

21.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

56.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Klein (44 Years) 44 Yrs

Flushing Specialty Average (29.6 Years) 29.6 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	83	28	$224.84	$102.23
99213 Established patient office or other outpatient visit, typically 15 minutes	57	23	$220.18	$71.69
36415 Insertion of needle into vein for collection of blood sample	43	23	$8.00	$7.84
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	21	12	$331.57	$143.80
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	11	$329.22	$105.59
G0008 Administration of influenza virus vaccine	18	18	$50.00	$36.42
90662 Influenza vaccine split virus, preservative free	18	18	$91.00	$81.82

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	76	30	$202.00	$76.34
99213 Established patient office or other outpatient visit, typically 15 minutes	76	25	$177.58	$103.34
36415 Insertion of needle into vein for collection of blood sample	73	34	$11.36	$8.11
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	49	25	$297.00	$112.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	49	24	$245.90	$143.65
G0008 Administration of influenza virus vaccine	20	20	$50.00	$35.73
90662 Influenza vaccine split virus, preservative free	20	20	$91.00	$71.93

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	102	34	$137.51	$103.85
36415 Insertion of needle into vein for collection of blood sample	87	34	$15.00	$2.96
99213 Established patient office or other outpatient visit, typically 15 minutes	63	29	$202.00	$80.40
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	58	29	$297.00	$116.61
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	54	28	$211.02	$145.04
G0008 Administration of influenza virus vaccine	30	30	$75.00	$35.46
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	21	21	$75.00	$20.07

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	118	41	$136.27	$105.21
36415 Insertion of needle into vein for collection of blood sample	110	44	$16.24	$3.00
99213 Established patient office or other outpatient visit, typically 15 minutes	96	34	$164.23	$81.54
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	71	38	$211.20	$148.76
G0008 Administration of influenza virus vaccine	32	32	$76.56	$20.48
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	26	19	$243.69	$120.08
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	20	20	$108.80	$19.91

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	120	44	$206.88	$61.93
99213 Established patient office or other outpatient visit, typically 15 minutes	99	37	$121.69	$85.46
36415 Insertion of needle into vein for collection of blood sample	97	41	$15.00	$2.99
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	84	36	$173.66	$123.29
G0008 Administration of influenza virus vaccine	37	36	$75.00	$19.74
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	33	22	$311.58	$94.41
90756 Vaccine for influenza for injection into muscle	31	31	$75.00	$27.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	156	53	$214.00	$59.35
99213 Established patient office or other outpatient visit, typically 15 minutes	128	43	$95.48	$82.18
36415 Insertion of needle into vein for collection of blood sample	88	39	$15.00	$2.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	76	35	$146.10	$119.58
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	38	21	$314.00	$91.21
G0008 Administration of influenza virus vaccine	29	29	$75.00	$18.38
90756 Vaccine for influenza for injection into muscle	28	28	$75.00	$26.13
93000 Routine ekg using at least 12 leads including interpretation and report	19	19	$59.57	$19.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	182	54	$214.00	$57.16
99213 Established patient office or other outpatient visit, typically 15 minutes	171	48	$94.26	$76.60
36415 Insertion of needle into vein for collection of blood sample	108	49	$15.06	$2.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	70	38	$145.01	$112.48
G0008 Administration of influenza virus vaccine	41	41	$70.12	$23.99
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	31	24	$314.00	$87.34
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	29	29	$75.00	$18.65

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	215	53	$94.74	$76.15
99213 Established patient office or other outpatient visit, typically 15 minutes	154	53	$214.00	$56.45
36415 Insertion of needle into vein for collection of blood sample	124	49	$15.00	$2.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	66	31	$143.78	$111.53
G0008 Administration of influenza virus vaccine	40	40	$44.75	$29.84
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	39	26	$314.00	$87.15
Q2035 Influenza virus vaccine, split virus, when administered to individuals 3 years of age and older, for intramuscular use (afluria)	31	31	$44.84	$17.34
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	13	$130.00	$28.47

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License NY 162551

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.

Hospital & Practice Group Affiliations

Flushing Hospital And Medical Center

4500 Parsons Blvd, Flushing, NY 113552205

Phone: 7186705486

Tjh Medical Services Pc

4500 Parsons Blvd, Flushing, NY 113552205

Phone: 7186705868

Tjh Medical Services Pc

14601 45th Ave, Flushing, NY 113552280

Tjh Medical Services Pc

120 46 Queens Blvd, Kew Gardens, NY 11415

Phone: 7180066708

Flushing Hospital And Medical Center

14601 45th Ave, Flushing, NY 113552200

Phone: 7186705562

Practice Associates & Co-Workers

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

21 Associated Practitioners

Dr. Alessandro Solinas , MD

Internal Medicine

NPI 1134192230

Doctor of Medicine (M.D.)

Zhen Yang , SOCIAL WORKER

Social Worker

NPI 1194243303

SOCIALWORKER

Karen Fung

Social Worker

NPI 1205257870

Dr. Nageswara Mandava , MD

Surgery - Surgical Oncology

NPI 1275534711

Doctor of Medicine (M.D.)

Dr. Anthony Vela , MD

Internal Medicine - Geriatric Medicine

NPI 1316046451

Doctor of Medicine (M.D.)

Dr. Megan Deyarmond , MD

Obstetrics & Gynecology

NPI 1376122689

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 November 26, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location November 26, 2008

Registered at 14601 45TH AVE, SUITE 303, FLUSHING, NY 113552200 (Tel: 7183531010)

📍

Updated Business Mailing Address November 26, 2008

Registered at 14601 45TH AVE, SUITE 303, FLUSHING, NY 113552200 (Tel: 7183531010)

👤

Provider Name / Credentials Updated November 26, 2008

Recorded as SHERMAN KLEIN, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 26, 2008

Internal Medicine (License #162551 in NY)

🟢

Initial NPI Registration & Enumeration January 13, 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: 1558340992

Entity Type:

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

Enumeration Date: January 13, 2006

Last Update: November 26, 2008

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

14601 45th Ave, Suite 303

Flushing, NY 113552200

Phone: 7183531010

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.