Doctor profile · Federal record

Dr. Ryan Holstead, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Worcester, MA

  • NPI 1952753873
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
55 Lake Ave N
Worcester, MA 016550002
(508) 334-3550
Additional location
157 Union St
Marlborough, MA 017521228
(508) 486-6700
Additional location
275 Nichols RD
Fitchburg, MA 014201919
(978) 343-5048
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
July 2016 — 10 yrs on file
Profile last updated
August 22, 2023
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Massachusetts #1014566

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952753873. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
43,631
Distinct HCPCS
10
Medicare allowed
$340,687
HCPCS Description Services Patients Avg allowed
J1439 Injection, ferric carboxymaltose, 1 mg 33,750 43 $1
36415 Insertion of needle into vein for collection of blood sample 944 490 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 908 462 $8
80053 Blood test, comprehensive group of blood chemicals 835 421 $10
99214 Established patient office or other outpatient visit, 30-39 minutes 782 367 $148
J0897 Injection, denosumab, 1 mg 780 12 $23
J1100 Injection, dexamethasone sodium phosphate, 1 mg 587 28 $0
88185 Flow cytometry technique for dna or cell analysis, each additional marker 460 19 $29
83540 Iron level 285 159 $6
83550 Iron binding capacity 284 158 $8

In context: peer comparison

Among 15 peers in this city , average services per provider: 699. This provider delivers 62× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$167
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Galvanize Therapeutics, Inc 1 $167.10

By nature of payment

Food and Beverage
$167

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
429
Patients
64
Total drug cost
$413,322
Drug Type Claims Patients Total cost
Hydroxyurea Generic 53 13 $2,789
Eliquis (Apixaban) Brand 48 13 $47,016
Letrozole Generic 44 0 $1,129
Atorvastatin Calcium Generic 29 13 $469
Zolpidem Tartrate Generic 29 11 $224
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 27 0 $809
Amlodipine Besylate Generic 25 0 $544
Lisinopril Generic 23 0 $295
Rosuvastatin Calcium Generic 23 0 $716
Mirtazapine Generic 22 0 $1,115

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ryan Holstead's medical specialty?
Dr. Ryan Holstead practices Hematology & Oncology Physician in Worcester, MA.
Where does Dr. Ryan Holstead practice?
Dr. Ryan Holstead practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5083343550.
What is Dr. Ryan Holstead's NPI?
Dr. Ryan Holstead's National Provider Identifier (NPI) is 1952753873, issued by NPPES.
Does Dr. Ryan Holstead accept Medicare assignment?
Yes. Dr. Ryan Holstead accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan Holstead commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025). Source: CMS Medicare Physician & Other Practitioners file.