Active NPI 1609138130 Individual Practitioner Male Practitioner

Dr. Daniel P Katzman , MD

Internal Medicine • Cambridge, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Daniel Katzman, MD is a certified Internal Medicine practicing in Cambridge, MA. With approximately 14 years of clinical experience since completing medical education in 2012, Dr. Katzman delivers high-quality medical care to the local community at 330 MOUNT AUBURN ST.

Dr. Katzman is affiliated with Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, hospital discharge day management, more than, 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

330 Mount Auburn St

Cambridge, MA 021385597

Telephone 6174995112

Associated Practice Facility / Clinic

🏢 Mount Auburn Hospital Facility NPI 1689670259

Medicare Profile & Education

Medical School

Other

Graduation Year

2012

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Cambridge, MA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

14 Yrs -8.6 yrs vs City Avg

City Avg: 22.6 Yrs

State Avg: 29.3 Yrs

Regional Practice Density

309 Specialists

Practicing in Cambridge, MA (7127 Statewide)

Telehealth Adoption Rate

23.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

67.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Katzman (14 Years) 14 Yrs

Cambridge Specialty Average (22.6 Years) 22.6 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	538	262	$244.44	$81.31
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	259	131	$371.02	$122.34
99239 Hospital discharge day management, more than 30 minutes	120	117	$354.13	$119.37
99231 Follow-up hospital inpatient care per day, typically 15 minutes	90	19	$153.27	$50.97
99238 Hospital discharge day management, 30 minutes or less	45	45	$250.20	$84.06
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	44	43	$406.18	$134.90
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	36	35	$603.69	$178.71

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	696	270	$172.18	$85.55
99239 Hospital discharge day management, more than 30 minutes	144	142	$247.45	$124.94
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	133	89	$232.84	$128.05
99231 Follow-up hospital inpatient care per day, typically 15 minutes	69	18	$117.13	$53.53
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	66	66	$302.74	$140.76
99238 Hospital discharge day management, 30 minutes or less	37	37	$173.11	$88.27
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	25	25	$419.00	$187.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
31622 Diagnostic exam of lung airway using an endoscope	32	24	$528.00	$163.11
99221 Initial hospital inpatient care per day, typically 30 minutes	31	30	$233.23	$123.25
99231 Follow-up hospital inpatient care per day, typically 15 minutes	20	13	$149.70	$45.21
32557 Removal of fluid from chest cavity with insertion of indwelling catheter and imaging guidance, accessed through the skin	19	18	$603.00	$172.16
32555 Aspiration of fluid from chest cavity using imaging guidance	16	15	$440.00	$134.83
31627 Computer-assisted image-guided navigation of lung airways using an endoscope	15	14	$700.27	$119.30
31624 Irrigation and suction of lung airways to obtain cells using an endoscope	13	13	$531.00	$130.67
31652 Exam of lung airways and sampling of lymph nodes using an endoscope and ultrasound guidance, 1-2 lymph nodes	11	11	$875.00	$247.73

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99291 Critical care, first 30-74 minutes	59	27	$1164.00	$266.32
32557 Removal of fluid from chest cavity with insertion of indwelling catheter and imaging guidance, accessed through the skin	23	18	$928.65	$178.44
31624 Irrigation and suction of lung airways to obtain cells using an endoscope	20	20	$559.05	$94.99
99231 Follow-up hospital inpatient care per day, typically 15 minutes	20	13	$150.30	$47.14
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	13	$511.00	$165.20
32555 Aspiration of fluid from chest cavity using imaging guidance	12	11	$435.50	$113.57
31645 Aspiration of lung secretions from lung airways using an endoscope	12	12	$606.67	$137.92

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	40	26	$140.88	$44.63
31624 Irrigation and suction of lung airways to obtain cells using an endoscope	36	25	$684.66	$48.18
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	30	21	$235.03	$75.55
31628 Biopsy of lobe of lung using an endoscope, 1 lobe	22	12	$956.64	$170.64
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	21	19	$510.62	$150.08
32557 Removal of fluid from chest cavity with insertion of indwelling catheter and imaging guidance, accessed through the skin	15	15	$787.50	$174.54
99221 Initial hospital inpatient care per day, typically 30 minutes	13	13	$357.69	$110.39

Medical Specialties & State Licenses

CMS Verified: 2026-05-26

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 290692

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

Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc

330 Brookline Ave, Boston, MA 022155400

Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc

330 Brookline Ave, Boston, MA 022155400

Phone: 6177548612

Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc

330 Mount Auburn St, Cambridge, MA 021385502

Phone: 7819839088

Practice Associates & Co-Workers

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

19 Associated Practitioners

Dr. Auddri Rahman , MD

Internal Medicine

NPI 1043798499

Doctor of Medicine (M.D.)

Eric Flint

Internal Medicine

NPI 1083616395

Dr. Christopher Dennis , MD

Internal Medicine

NPI 1255362505

Doctor of Medicine (M.D.)

Dr. Steven Master , MD

Internal Medicine

NPI 1255564837

Doctor of Medicine (M.D.)

Dr. Deirdre Woods , MD

Internal Medicine

NPI 1306848528

Doctor of Medicine (M.D.)

Dr. Frederic Celestin , MD

Internal Medicine

NPI 1417173436

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

15 Historical Events

📍

Updated Practice Location May 26, 2026

Registered at 330 MOUNT AUBURN ST, CAMBRIDGE, MA 021385597 (Tel: 6174995112)

📍

Updated Business Mailing Address May 26, 2026

Registered at 330 MOUNT AUBURN ST, CAMBRIDGE, MA 021385502 (Tel: 6174995112)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 26, 2026

Internal Medicine (License #290692 in MA)

📍

Updated Practice Location July 24, 2019

Registered at 100 WOODS RD, VALHALLA, NY 105951530 (Tel: 9144936616)

📍

Updated Business Mailing Address July 24, 2019

Registered at 19 BRADHURST AVE STE 3100N, HAWTHORNE, NY 105322140 (Tel: 9149099018)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 24, 2019

Internal Medicine (License #278277 in NY)

📍

Updated Practice Location April 27, 2018

Registered at 680 N LAKE SHORE DR STE 1000, CHICAGO, IL 606113092 (Tel: 3129264305)

📍

Updated Business Mailing Address April 27, 2018

Registered at 680 N LAKE SHORE DR STE 1000, CHICAGO, IL 606113092

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 27, 2018

Internal Medicine (License #036145344 in IL)

✅

NPI Profile Active June 30, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location June 30, 2015

Registered at 550 1ST AVE, NYU LANGONE MEDICAL CENTER, NEW YORK, NY 100166402 (Tel: 2122635506)

📍

Updated Business Mailing Address June 30, 2015

Registered at 550 1ST AVE, NYU LANGONE MEDICAL CENTER, NEW YORK, NY 100166402 (Tel: 2122635506)

👤

Provider Name / Credentials Updated June 30, 2015

Recorded as DANIEL KATZMAN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 30, 2015

Student in an Organized Health Care Education/Training Program (License #278277 in NY)

🟢

Initial NPI Registration & Enumeration June 11, 2012

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. Daniel Katzman. 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: 1609138130

Entity Type:

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

Enumeration Date: June 11, 2012

Last Update: May 26, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

330 Mount Auburn St

Cambridge, MA 021385502

Phone: 6174995112

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.