Active NPI 1902855323 Individual Practitioner Male Practitioner

Dr. Jonathan Thomas Crocker , MD

Internal Medicine • Boston, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Jonathan Crocker, MD is a certified Internal Medicine practicing in Boston, MA. With approximately 29 years of clinical experience since graduating from University Of Massachusetts Medical School in 1997, Dr. Crocker delivers high-quality medical care to the local community at 330 BROOKLINE AVE.

Dr. Crocker 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, initial hospital care with moderate level of medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

330 Brookline Ave

Boston, MA 022155400

Telephone 6177544677

Fax 6176320215

Associated Practice Facility / Clinic

🏢 Dva Healthcare Of Massachusetts, Inc. Facility NPI 1295794121

Medicare Profile & Education

Medical School

University Of Massachusetts Medical School

Graduation Year

1997

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Boston, MA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

29 Yrs +11.6 yrs vs City Avg

City Avg: 17.4 Yrs

State Avg: 29.3 Yrs

Regional Practice Density

2379 Specialists

Practicing in Boston, MA (7127 Statewide)

Telehealth Adoption Rate

24.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

68.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Crocker (29 Years) 29 Yrs

Boston Specialty Average (17.4 Years) 17.4 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
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	123	51	$335.00	$123.89
99239 Hospital discharge day management, more than 30 minutes	23	23	$349.00	$120.73
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	20	20	$650.00	$180.92

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	171	61	$335.00	$126.45
99239 Hospital discharge day management, more than 30 minutes	28	28	$349.00	$122.66
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	26	26	$650.00	$184.30
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	25	15	$233.00	$84.08

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	136	56	$335.00	$107.79
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	52	23	$233.00	$76.20
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	35	34	$650.00	$206.89
99239 Hospital discharge day management, more than 30 minutes	22	22	$349.00	$113.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	103	49	$335.00	$112.91
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	45	20	$233.00	$78.55
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	31	30	$650.00	$218.95
99239 Hospital discharge day management, more than 30 minutes	24	23	$349.00	$117.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	168	66	$343.00	$113.61
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	48	31	$238.00	$79.12
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	44	44	$666.00	$221.18
99239 Hospital discharge day management, more than 30 minutes	41	40	$355.00	$117.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	238	90	$340.00	$110.79
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	64	30	$238.00	$77.07
99239 Hospital discharge day management, more than 30 minutes	50	49	$353.00	$113.97
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	47	47	$662.00	$217.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	127	55	$326.00	$112.27
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	72	37	$226.00	$78.44
99239 Hospital discharge day management, more than 30 minutes	43	43	$339.00	$117.06
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	27	27	$636.00	$218.67

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	252	119	$327.23	$110.05
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	152	98	$226.00	$76.15
99239 Hospital discharge day management, more than 30 minutes	73	73	$339.00	$114.51
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	59	59	$636.00	$210.10

Medical Specialties & State Licenses

CMS Verified: 2026-01-07

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 159930

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

0118010 (MA)

Commercial Insurance / Payer ID Bcbs Ma

J23487 (MA)

Commercial Insurance / Payer ID Tufts Health Plan

159930 (MA)

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

1 Deaconess Rd, Boston, MA 022155321

Phone: 7819839088

Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc

330 Brookline Ave, Boston, MA 022155400

Phone: 6177548612

Practice Associates & Co-Workers

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

40 Associated Practitioners

Jacob Koshy

Hospitalist

NPI 1013448372

Dr. Carlo Basilio , MD

Hospitalist

NPI 1023578630

Doctor of Medicine (M.D.)

Dr. Joseph Li , MD

Internal Medicine

NPI 1043209380

Doctor of Medicine (M.D.)

Dr. Benjamin Massey , MD

Hospitalist

NPI 1053057422

Doctor of Medicine (M.D.)

Dr. Muhammad Mubarak , MD

Internal Medicine

NPI 1053707067

Doctor of Medicine (M.D.)

Joby Jacob

Internal Medicine

NPI 1073045456

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location January 07, 2026

Registered at 330 BROOKLINE AVE, BOSTON, MA 022155400 (Tel: 6177544677)

📍

Updated Business Mailing Address January 07, 2026

Registered at 330 BROOKLINE AVE, BOSTON, MA 022155400 (Tel: 6177544677)

✅

NPI Profile Active January 27, 2009

NPI status registered as active in NPPES database

📍

Updated Practice Location January 27, 2009

Registered at 800 BOYLSTON ST, 47TH FLOOR, BOSTON, MA 021998001 (Tel: 6177432525)

📍

Updated Business Mailing Address January 27, 2009

Registered at 800 BOYLSTON ST, 47TH FLOOR, BOSTON, MA 021998001 (Tel: 6177432525)

👤

Provider Name / Credentials Updated January 27, 2009

Recorded as JONATHAN CROCKER, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 27, 2009

Internal Medicine (License #159930 in MA)

🟢

Initial NPI Registration & Enumeration May 10, 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: 1902855323

Entity Type:

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

Enumeration Date: May 10, 2006

Last Update: January 07, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

330 Brookline Ave

Boston, MA 022155400

Phone: 6177544677

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.